Optum Learning: Comprehensive Anatomy and Physiology for · 2014-02-27 · Optum Learning:...

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2015 Optum Learning: Comprehensive Anatomy and Physiology for ICD-10-CM and ICD-10-PCS Coding

Transcript of Optum Learning: Comprehensive Anatomy and Physiology for · 2014-02-27 · Optum Learning:...

2015

Optum Learning:

Comprehensive Anatomy and Physiology for ICD-10-CM and ICD-10-PCS Coding

© 2014 OptumInsight, Inc. i

ContentsIntroduction ................................................................................................................1

Welcome to Comprehensive Anatomy and Physiology for ICD-10-CM and ICD-10-PCS Coding .....................................................................1

Summary ....................................................................................................11

Chapter 1. Introduction to the Human Body ........................................................13Anatomy Overview .....................................................................................13

Figure 1.1: Tissue ...................................................................................14Figure 1.2: Anatomical Position .............................................................17Figure 1.3: Body Planes ..........................................................................19Figure 1.4: Motion .................................................................................20

Summary ....................................................................................................21Knowledge Assessment Questions ..............................................................22

Chapter 2. ICD-10-CM: Integumentary System ....................................................25Anatomic Overview ....................................................................................25

Figure 2.1: Skin .....................................................................................25Figure 2.2: Hair and Glands ...................................................................26Figure 2.3: Nail ......................................................................................27

Anatomy and Physiology and the ICD-10-CM Code Set ...........................27Figure 2.4: Surface and Solid Lesions .....................................................32Figure 2.5: Sac Lesions ...........................................................................38Figure 2.6: Four Stages of Pressure Ulcers ..............................................42Figure 2.7: Degrees of Burns ..................................................................46

Summary ....................................................................................................47Knowledge Assessment Questions ..............................................................48

Chapter 3. ICD-10-CM: Skeletal System and Articulations ..................................51Anatomic Overview ....................................................................................51

Figure 3.1: Cranium ..............................................................................52Figure 3.2: Facial Bones .........................................................................53Figure 3.3: Vertebrae ..............................................................................54Figure 3.4: Spine ....................................................................................55Figure 3.5: Ribs and Sternum ................................................................56Figure 3.6: Shoulder/Upper Extremity ...................................................56Figure 3.7: Hand ...................................................................................57Figure 3.8: Right Coxal Bone .................................................................58Figure 3.9: Right Tibia and Fibula, Anterior View .................................58Figure 3.10: Right Foot, Dorsal .............................................................59Figure 3.11: Synovial Joint Structures ....................................................60

Anatomy and Physiology and the ICD-10-CM Code Set ...........................61Figure 3.12: Tears of Meniscus ..............................................................68Figure 3.13: Kyphosis and Lordosis ........................................................81Figure 3.14: Scoliosis and Kyphoscoliosis ...............................................81

Summary ....................................................................................................83Knowledge Assessment Questions ..............................................................84

Chapter 4. ICD-10-CM: Muscular System ...............................................................87Anatomic Overview ....................................................................................87

Figure 4.1: Joint Structures ....................................................................89Figure 4.2: Muscles of the Face ..............................................................91Figure 4.3: Eye Musculature ..................................................................92Figure 4.4: Associated Regions of Pain due to Neck Injuries ..................93

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Figure 4.5: Muscles of Erector Spine ...................................................... 94Figure 4.6: Diaphragm ........................................................................... 95Figure 4.7: Pectoralis Major ................................................................... 96Figure 4.8: Posterior Thorax .................................................................. 97Figure 4.9: Shoulder Muscles ................................................................. 98Figure 4.10: Upper Arm ........................................................................ 98Figure 4.11: Forearm ............................................................................. 99Figure 4.12: Elbow .............................................................................. 100Figure 4.13: Thumb and Palm ............................................................. 100Figure 4.14: Hand ............................................................................... 101Figure 4.15: Anatomy of Anterior Abdominal Wall ............................. 101Figure 4.16: Male Pelvic Floor ............................................................. 102Figure 4.17: Female Pelvic Floor .......................................................... 102Figure 4.18: Anterior View of Hip ....................................................... 103Figure 4.19: Gluteal Muscles ................................................................ 103Figure 4.20: Anterior View of Thigh .................................................... 104Figure 4.21: Gluteus Maximus ............................................................. 104Figure 4.22: Lower Leg ........................................................................ 105Figure 4.23: Foot ................................................................................. 106Figure 4.24: Foot ................................................................................. 106

Anatomy and Physiology and the ICD-10-CM Code Set ......................... 107Summary ................................................................................................. 117Knowledge Assessment Questions ............................................................ 118

Chapter 5. ICD-10-CM: Nervous System ............................................................. 121Anatomic Overview .................................................................................. 121

Figure 5.1: Brain .................................................................................. 121Figure 5.2: Spinal Column ................................................................... 122Figure 5.3: Peripheral Nervous System ................................................ 124Figure 5.4: Adnexa ............................................................................... 126Figure 5.5: Eye Musculature ................................................................ 126Figure 5.6: Ear Anatomy ...................................................................... 127

Anatomy and Physiology and the ICD-10-CM Code Set ......................... 128Figure 5.7: Neuromuscular Junction .................................................... 133Figure 5.8: Parkinson’s Disease ............................................................ 134Figure 5.9: Pyramidal Pathways ........................................................... 136Figure 5.10: Myelin and Nerve Structure ............................................. 138Figure 5.11: Circle of Willis ................................................................. 142Figure 5.12: Cerebrovascular Arteries ................................................... 143Figure 5.13: Trigeminal and Facial Nerve Branches ............................. 144Figure 5.14: Facial Nerves .................................................................... 145Figure 5.15: Anterior Chamber ............................................................ 146Figure 5.16: Posterior Segment of Eye ................................................. 151Figure 5.17: Glaucoma ........................................................................ 154Figure 5.18: Cataract ........................................................................... 155Figure 5.19: Arcus Senilis ..................................................................... 157Figure 5.20: External Ear ..................................................................... 161Figure 5.21: Middle and Inner Ear ...................................................... 162Figure 5.22: Schematic of Labyrinth and Semicircular Ducts ............... 164

Summary ................................................................................................. 168Knowledge Assessment Questions ............................................................ 169

Chapter 6. ICD-10-CM: Endocrine System .......................................................... 171Anatomic Overview .................................................................................. 171

Figure 6.1: Endocrine System .............................................................. 173Figure 6.2: Pancreas ............................................................................. 173Figure 6.3: Pituitary Gland .................................................................. 174Figure 6.4: Thyroid ............................................................................. 176Figure 6.5: Dorsal View of Parathyroid Glands .................................... 177

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Figure 6.6: Uterus and Ovaries ............................................................178Figure 6.7: Male Pelvic Organs ............................................................178Figure 6.8: Thymus Gland ...................................................................179

Anatomy and Physiology and the ICD-10-CM Code Set .........................180Figure 6.9: Goiter ................................................................................180Figure 6.10: Cataract ...........................................................................186

Summary ..................................................................................................200Knowledge Assessment Questions ............................................................201

Chapter 7. ICD-10-CM: Cardiovascular System .................................................. 203Anatomic Overview ..................................................................................203

Figure 7.1: Sections of Heart Muscle ...................................................203Figure 7.2: Anatomy ............................................................................204Figure 7.3: Blood Flow ........................................................................205Figure 7.4: Conduction System of the Heart ........................................205Figure 7.5: Arteries of the Heart ...........................................................207Figure 7.6: Capillary Bed .....................................................................208Figure 7.7: Cerebrovascular Arteries .....................................................209Figure 7.8: Head Veins ........................................................................210Figure 7.9: Arterial System ...................................................................211Figure 7.10: Portal System ...................................................................212

Anatomy and Physiology and the ICD-10-CM Code Set .........................212Figure 7.11: Valvular Function ............................................................213Figure 7.12: Acute Myocardial Infarction .............................................216Figure 7.13: Thoracic and Abdominal Aortic Aneurysm ......................224Figure 7.14: Venous System .................................................................225Figure 7.15: Map of Major Veins .........................................................227Figure 7.16: Veins of Lower Extremities ..............................................228

Summary ..................................................................................................237Knowledge Assessment Questions ............................................................238

Chapter 8. ICD-10-CM: Blood and Blood-Forming Organs ............................... 241Anatomic Overview ..................................................................................241

Figure 8.1: Red Blood Cells .................................................................242Figure 8.2: Blood Types .......................................................................243Figure 8.3: White Blood Cells ..............................................................244Figure 8.4: Platelets ..............................................................................246Figure 8.5: Blood Coagulation .............................................................247

Anatomy and Physiology and the ICD-10-CM Code Set .........................247Figure 8.6: Thalassemia ........................................................................249Figure 8.7: Normal and Sickle Red Blood Cells ...................................250

Summary ..................................................................................................254Knowledge Assessment Questions ............................................................255

Chapter 9. ICD-10-CM: Lymphatic System ......................................................... 257Anatomic Overview ..................................................................................257

Figure 9.1: Lymphatic Capillaries .........................................................257Figure 9.2: Lymphatic System ..............................................................258Figure 9.3: Thyroid Gland ...................................................................259Figure 9.4: Lymph Node ......................................................................260Figure 9.5: Axllary Lymph Nodes ........................................................260Figure 9.6: Lymph Nodes of Trunk .....................................................261Figure 9.7: Lymphatic Drainage ...........................................................261Figure 9.8: Tongue ..............................................................................262

Anatomy and Physiology and the ICD-10-CM Code Set .........................262Summary ..................................................................................................272Knowledge Assessment Questions ............................................................273

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Chapter 10. ICD-10-CM: Respiratory System ..................................................... 275Anatomic Overview .................................................................................. 275

Figure 10.1: Lower Respiratory System ................................................ 276Figure 10.2: Larynx .............................................................................. 277Figure 10.3: Lungs ............................................................................... 278Figure 10.4: Upper Respiratory System ................................................ 279

Anatomy and Physiology and the ICD-10-CM Code Set ......................... 280Figure 10.5: Bronchoscopy .................................................................. 282Figure 10.6: Bronchioli and Alveoli ..................................................... 283Figure 10.7: Emphysema ..................................................................... 287Figure 10.8: Alveoli, Asbestoses, Air Sacs ............................................. 290Figure 10.9: Pleural Effusion ............................................................... 294Figure 10.10: Firearm Injury, X-ray ..................................................... 299Figure 10.11: Upper Respiratory System .............................................. 301

Summary ................................................................................................. 302Knowledge Assessment Questions ............................................................ 303

Chapter 11. ICD-10-CM: Digestive System ......................................................... 307Anatomic Overview .................................................................................. 307

Figure 11.1: Digestive System .............................................................. 307Figure 11.2: Stomach and Pylorus ....................................................... 308Figure 11.3: Duodenum ...................................................................... 309

Anatomy and Physiology and the ICD-10-CM Code Set ......................... 310Figure 11.4: Teeth ............................................................................... 310Figure 11.5: Saliva Glands ................................................................... 312Figure 11.6: Liver ................................................................................ 313Figure 11.7: Pancreas ........................................................................... 316Figure 11.8: Esophagus ........................................................................ 317Figure 11.9: Stomach ........................................................................... 319Figure 11.10: Volvulus and Diverticulitis ............................................ 321Figure 11.11: Large Intestine ............................................................... 323Figure 11.12: Colostomy ..................................................................... 326

Summary ................................................................................................. 330Knowledge Assessment Questions ............................................................ 331

Chapter 12. ICD-10-CM: Urinary System ............................................................. 335Anatomic Overview .................................................................................. 335

Figure 12.1: Urinary System ................................................................ 335Figure 12.2: Kidney ............................................................................. 336Figure 12.3: Nephron ......................................................................... 336Figure 12.4: Bladder ............................................................................ 337

Anatomy and Physiology and the ICD-10-CM Code Set ......................... 338Summary ................................................................................................. 353Knowledge Assessment Questions ............................................................ 354

Chapter 13. ICD-10-CM: Reproductive Systems ................................................ 357Anatomic Overview: Male Reproductive System ...................................... 357

Figure 13.1: Male Genitalia ................................................................. 357Figure 13.2: Glans Penis ...................................................................... 358Figure 13.3: Testis and Sperm Generation ........................................... 358Figure 13.4: Prostate and Seminal Vesicles ........................................... 360

Anatomy and Physiology and the ICD-10-CM Code Set: Male Reproductive System ......................................................................... 360

Figure 13.5: Male Urinary and Reproductive Systems .......................... 361Figure 13.6: Slitting of Prepuce ........................................................... 362Figure 13.7: Penis ................................................................................ 365

Summary: Male Reproductive System ...................................................... 366Anatomic Overview: Female Reproductive System ................................... 367

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Figure 13.8: Female External Genitalia ................................................367Figure 13.9: Female Reproductive System ............................................368

Anatomy and Physiology and the ICD-10-CM Code Set: Female Reproductive System .........................................................................370

Figure 13.10: Ovary and Fallopian Tube .............................................371Summary: Female Reproductive System ...................................................374Anatomic Overview: Pregnancy, Childbirth, and the Puerperium ............374Anatomy and Physiology and the ICD-10-CM Code Set: Pregnancy,

Childbirth, and the Puerperium ........................................................374Summary: Pregnancy, Childbirth, and the Puerperium ............................380Knowledge Assessment Questions ............................................................381

Chapter 14. Anatomy and Physiology and the ICD-10-PCS Code Set: Nervous and Circulatory Systems ....................................................................... 387

Overview ..................................................................................................387Central Nervous System (0) ......................................................................388

Figure 14.1: Brain Sections ..................................................................390Figure 14.2: Skull Layers ......................................................................391Figure 14.3: Cranial Nerves .................................................................393

Peripheral Nervous System (1) .................................................................397Figure 14.4: Peripheral Nervous System ...............................................398Figure 14.5: Brachial Plexus .................................................................399Figure 14.6: Median and Ulnar Nerves ................................................400Figure 14.7: Sympathetic Nervous System ...........................................402

Heart and Great Vessels (2) ......................................................................405Figure 14.8: Coronary Arteries .............................................................406Figure 14.9: Heart Anatomy ................................................................407

Upper Arteries (3) ....................................................................................411Figure 14.10: Map of Upper Arteries ...................................................412Figure 14.11: Cerebrovascular Arteries .................................................414Figure 14.12: Circle of Willis ...............................................................414Figure 14.13: External Carotid .............................................................415

Lower Arteries (4) .....................................................................................417Figure 14.14: Lower Arteries ................................................................418

Upper Veins (5) .......................................................................................423Figure 14.15: Map of Upper Veins ......................................................424Figure 14.16: Head and Neck Veins ....................................................426

Lower Veins (6) ........................................................................................428Figure 14.17: Map of Lower Veins .......................................................429

Summary ..................................................................................................432Knowledge Assessment Questions ............................................................433

Chapter 15. Anatomy and Physiology and the ICD-10-PCS Code Set: Lymphatic, Sense Organ, and Respiratory Systems .......................................... 435

Lymphatic and Hemic Systems (7) ...........................................................435Figure 15.1: Lymphatic System ............................................................437

Eye (8) .....................................................................................................441Figure 15.2: Eye ...................................................................................443Figure 15.3: Retina (E, F) ....................................................................443Figure 15.4: Eye Musculature ..............................................................444Figure 15.5: Lacrimal System ...............................................................445

Ear, Nose, and Sinus (9) ...........................................................................447Figure 15.6: Ear Anatomy ....................................................................448Figure 15.7: Middle and Inner Ear .......................................................449Figure 15.8: Nasal Turbinates ..............................................................450Figure 15.9: Paranasal sinuses ..............................................................451

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Respiratory System (B) ............................................................................. 453Figure 15.10: Bronchi .......................................................................... 454Figure 15.11: Lungs ............................................................................. 455

Summary ................................................................................................. 456Knowledge Assessment Questions ............................................................ 457

Chapter 16. Anatomy and Physiology and the ICD-10-PCS Code Set: Digestive and Endocrine Systems ....................................................................... 459

Mouth and Throat (C) ............................................................................. 459Figure 16.1: Mouth Frontal View (Upper) .......................................... 460Figure 16.2: Mouth Frontal View (Lower) ........................................... 460Figure 16.3: Oral Anatomy .................................................................. 461Figure 16.4: Mandibular Glands .......................................................... 462Figure 16.5: Pharynx ........................................................................... 462

Gastrointestinal System (D) ..................................................................... 465Figure 16.6: Upper GI ......................................................................... 466Figure 16.7: Stomach and Pylorus ....................................................... 467Figure 16.8: Lower GI ......................................................................... 468Figure 16.9: Rectum and Anus ............................................................ 469

Hepatobiliary System and Pancreas (F) .................................................... 471Figure 16.10: Liver .............................................................................. 472Figure 16.11: Gallbladder and Ducts ................................................... 473Figure 16.12: Pancreas ......................................................................... 473

Endocrine System (G) .............................................................................. 475Figure 16.13: Endocrine System .......................................................... 476Figure 16.14: Adrenal Glands .............................................................. 477Figure 16.15: Thyroid and Parathyroid Glands .................................... 478Figure 16.16: Thyroid (Frontal) ........................................................... 478

Summary ................................................................................................. 479Knowledge Assessment Questions ............................................................ 480

Chapter 17. Anatomy and Physiology and the ICD-10-PCS Code Set: Skin, Subcutaneous Tissue, and Musculoskeletal Systems .............................. 483

Skin and Breast (H) ................................................................................. 483Figure 17.1: Integumentary Anatomy (0-9, A-P) ................................. 484Figure 17.2: Nail Anatomy (Q, R) ....................................................... 485Figure 17.3: Breast (T-X) ..................................................................... 485

Subcutaneous Tissue and Fascia (J) .......................................................... 488Muscles (K) .............................................................................................. 492

Figure 17.4: Muscles ............................................................................ 493Tendons (L) ............................................................................................. 498

Figure 17.5: Wrist and Forearm Cross-section ..................................... 499Figure 17.6: Tendons of the Wrist and Hand ...................................... 500Figure 17.7: Shoulder Tendons ............................................................ 500Figure 17.8: Leg Muscles and Tendons ................................................ 501Figure 17.9: Lower Leg Tendons (N, P) .............................................. 501

Bursae and Ligaments (M) ....................................................................... 503Figure 17.10: Shoulder Anatomy ......................................................... 504Figure 17.11: Knee Bursae ................................................................... 506

Head and Facial Bones (N) ...................................................................... 508Figure 17.12: Head and Facial Bones ................................................... 509Figure 17.13: Skull Bones .................................................................... 510

Upper Bones (P) ...................................................................................... 512Figure 17.14: Humerus and Scapula .................................................... 514Figure 17.15: Radius and Ulna ............................................................ 515Figure 17.16: Hand Bones ................................................................... 516

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Lower Bones (Q) ......................................................................................517Figure 17.17: Hip Bone Anatomy ........................................................518Figure 17.18: Pelvic and Lower Bones ..................................................519Figure 17.19: Foot Bones .....................................................................520

Upper Joints (R) .......................................................................................522Figure 17.20: Vertebral Joint ...............................................................524Figure 17.21: Shoulder Joint ................................................................524Figure 17.22: Hand Joints ....................................................................525

Lower Joints (S) ........................................................................................527Figure 17.23: Hip Joint ........................................................................528Figure 17.24: Knee Joint (C, D) ..........................................................529Figure 17.25: Lateral View, Knee (C, D) ..............................................529Figure 17.26: Foot ...............................................................................530

Summary ..................................................................................................531Knowledge Assessment Questions ............................................................532

Chapter 18. Anatomy and Physiology and the ICD-10-PCS Code Set: Genitourinary Systems ......................................................................................... 535

Urinary System (T) ..................................................................................535Figure 18.1: Genitourinary System ......................................................536Figure 18.2: Kidney (0, 1, 2, 5) ............................................................537Figure 18.3: Bladder ............................................................................537

Female Reproductive System (U) .............................................................539Figure 18.4: Female Reproductive System ............................................540Figure 18.5: Female External Structures ...............................................541

Male Reproductive System (V) .................................................................543Summary ..................................................................................................545Knowledge Assessment Questions ............................................................546

Chapter 19. Anatomy and Physiology and the ICD-10-PCS Code Set: Anatomical Region Systems ................................................................................ 549

Anatomical Regions ..................................................................................549Summary ..................................................................................................551Knowledge Assessment Questions ............................................................552

Appendix A. Knowledge Review Answers .......................................................... 553Chapter 1. Introduction to the Human Body ...........................................553Chapter 2. ICD-10-CM: Integumentary System ......................................555Chapter 3. ICD-10-CM: Skeletal Systems and Articulations ....................557Chapter 4. ICD-10-CM: Muscular System ..............................................560Chapter 5. ICD-10-CM: Nervous System ................................................563Chapter 6. ICD-10-CM: Endocrine System .............................................566Chapter 7. ICD-10-CM: Cardiovascular System ......................................568Chapter 8. ICD-10-CM: Blood and Blood-Forming Organs ...................573Chapter 9. ICD-10-CM: Lymphatic System ............................................576Chapter 10. ICD-10-CM: Respiratory System .........................................580Chapter 11. ICD-10-CM: Digestive System .............................................584Chapter 12. ICD-10-CM: Urinary System ...............................................588Chapter 13. ICD-10-CM: Reproductive Systems .....................................591Chapter 14. Anatomy and Physiology and the ICD-10-PCS Code

Set: Nervous and Circulatory Systems ...............................................599Chapter 15. Anatomy and Physiology and the ICD-10-PCS Code

Set: Lymphatic, Sense Organ, and Respiratory Systems .....................602Chapter 16. Anatomy and Physiology and the ICD-10-PCS Code

Set: Digestive and Endocrine Systems ...............................................605

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Chapter 17. Anatomy and Physiology and the ICD-10-PCS Code Set: Skin, Subcutaneous Tissue, and Musculoskeletal Systems .......... 608

Chapter 18. Anatomy and Physiology and the ICD-10-PCS Code Set: Genitourinary Systems ............................................................... 611

Chapter 19. Anatomy and Physiology and the ICD-10-PCS Code Set: Anatomical Region Systems ....................................................... 614

Appendix B. Body Part Key .................................................................................. 615

Appendix C. Root Operation Conversion Table ................................................. 649

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Figure 3.8: Right Coxal Bone

Where the three parts of the pelvic bone fuse is referred to as the acetabulum. It is a deep-seated pocket that accepts the rounded upper epiphysis of the thigh bone, or femoral head, to form the hip joint.

The femur is the only bone in the thigh and is the largest and strongest bone in the body. It joins the tibia (shin bone) distally to form the knee joint. The knee joint is protected by a sesamoid bone called the patella, or the knee cap. The tibia also articulates with a second bone found alongside it within the lower leg known as the fibula. The fibula is the lateral bulge, or lateral malleolus, of the ankle; the tibia is the medial bulge, or medial malleolus.

Figure 3.9: Right Tibia and Fibula, Anterior View

The tibia and fibula meet with the talus, the most superior of the seven tarsal bones, to form the ankle. The talus sits upon the calcaneus, or heel bone. Between the calcaneus and the metatarsals are the remaining five tarsals, known as:

• Cuboid• Navicular• Medial cuneiform

Femur

Ischium

Coccyx

Pubis

Sacrum

L5Ilium

Acetabulum

Ilium

Medial (tibial) malleolus

Shaftof

fibula

Tibia

Patella

Lateral

(fibular)

malleolus

Chapter 3. ICD-10-CM: Skeletal System and Articulations

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• Intermediate cuneiform• Lateral cuneiform

Much the same as the bones in the wrist and hand, the tarsals meet with five small long bones in the foot called the metatarsals. The metatarsals meet up with phalanges. The toe phalanges are generally the same in structure and arrangement as the finger phalanges but are smaller and therefore less agile. Again, similar to the fingers, all of the toes have three phalanges, proximal, middle, and distal, with the exception of the great toe, or hallux.

Figure 3.10: Right Foot, Dorsal

ArticulationsArticulations, or joints, join two bones together and allow for movement in response to muscle contractions. There are three classifications of joints based on the structure or type of tissue the joint is composed of, including:

• Fibrous• Cartilaginous• Synovial

Fibrous joints are held together by dense tissue and are limited in movement by the length of that tissue. Most of these types of articulations are immovable or slightly moveable at best. There are three types of fibrous joints: sutures, or seams, between bones held together by connective tissue, such as those found in the cranium; gomphosis, a second type of fibrous joint, is found only as a tooth in its socket; and syndesmoses are bones joined by a ligament. The articulation between the tibia and fibula is an example of syndesmoses.

Cartilaginous joints are joined by cartilage. The first rib to the sternum is a cartilaginous articulation, as are the intervertebral joints and pubic symphysis. These types of joints do provide for some movement, albeit extremely minimal.

The majority of joints in the human body are synovial. These are free moving and therefore structurally more complex than the preceding two types. Synovial articulations all have a fluid-filled cavity separating the bones it joins. This cavity is called the synovial cavity, and the fluid is synovial fluid. The joint cavity is surrounded by a two-layer capsule called the articular capsule. The external layer of the capsule is a dense connective tissue that is contiguous with the periosteum

TalusNavicular

Cuneiform bones:

MedialIntermediate

LateralProximal

Distal

Phalanges

Tarsals

Medial

MetatarsalsCuboidCalcaneus

12

34

5

Metatarsophalangeal joint

ligament. Fibrous tissue binding joints together connecting bone to bone or bone to cartilage.

DEFINITIONS

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Coding for Cerebral Lipoidoses and Leukodystrophies

Specific codes have been created in ICD-10-CM for certain cerebral degenerative diseases of childhood onset to reflect medical advances in identifying genetic links to disease.

Coding for Degenerative Diseases

Rett’s syndrome is an inherited disorder caused by mutations in the X chromosome linked MECP2 gene and therefore occurs almost exclusively in females. Onset of symptoms occurs most commonly between 6 and 18 months of age and includes progressive problems with movement, coordination, and communication. Additional symptoms include breathing problems, arrhythmias, seizures, and constipation. Genetic testing establishes the diagnosis, which is often evasive and may be confused with autism, cerebral palsy, or other developmental delay.

Leigh’s disease is an inherited neurometabolic disorder of the central nervous system that occurs due to mutations of the mitochondrial DNA (mtDNA). These mutations impair the growth and development of essential brainstem cells, which inhibits motor skills. The disease is characterized by the patient’s inability to control movement. In infants, early symptoms include poor sucking ability, inability to control head movements, and seizure. As the disease progresses, organ function and development are delayed or regress, resulting in failure to thrive. Prognosis varies widely in accordance with age of onset and severity.

Alpers disease is an inherited autosomal recessive disorder caused by mutations in the mtDNA, specifically identified as the POLG gene. Initial symptoms in infancy include developmental delay, hypotonia, and spasticity. Disease progression is marked by progressive paralysis, dementia, and mental retardation. Myoclonic seizures are characteristic of Alpers disease. Diagnostic imaging of the central nervous system often displays status spongiosis degeneration of the cerebrum. Prognosis is poor. Patients often expire within the first decade of life.

ICD-9-CM ICD-10-CM

330.0 Leukodystrophy E75.23 Krabbe diseaseE75.25 Metachromatic leukodystrophyE75.29 Other sphingolipidoses

330.1 Cerebral lipoidoses E75.00 GM2 gangliosidosis, unspecifiedE75.01 Sandhoff diseaseE75.02 Tay-Sachs diseaseE75.09 Other GM2 gangliodiosisE75.10 Unspecified gangliosidosisE75.11 Mucolipoidosis IVE75.19 Other gangliosidosisE75.4 Neuronal ceroid lipofuscinosis

ICD-9-CM ICD-10-CM

330.8 Other specified cerebral degenerations in childhood

F84.2 Rett’s syndromeG31.81 Alpers diseaseG31.82 Leigh’s disease

gangliosidosis. Abnormal harmful accumulation of certain lipids (gangliosides) due to enzyme deficiency, causing progressive destruction of nervous system tissues.

lipofuscinosis (ceroid). Abnormal accumulation of lipopigments in the nervous system tissues causing neurodegeneration.

mucolipidosis. Abnormal harmful accumulation of lipids in cells manifested by damage to the motor nerve and ocular tissues.

DEFINITIONS

Chapter 5. ICD-10-CM: Nervous System

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Alzheimer’s and Parkinson’s Disease and Related SyndromesICD-9-CM contains a specific code for Alzheimer’s disease; ICD-10-CM has been expanded to provide information regarding onset within the code set itself.

Coding for Alzheimer’s Disease

Alzheimer’s disease is a chronic, progressive form of dementia caused by the destruction of subcortical white matter in the brain with plaque formations. Diagnostic imaging typically reveals shrinkage of white matter and an increase in the size of the ventricles.

In a normally functioning process, the ends of nerve cells (synapses) release neurotransmitter molecules that bind to neurotransmitter receptors, thus converting a nerve impulse into a chemical signal. The neurotransmitter receptor receives the transmitter signal and, in turn, generates a responsive nerve impulse. In Alzheimer's disease, there is a deficit in the levels of acetylcholine and degeneration of cholinergic neurons, neurotransmitter proteins, and cells within the brain. The debilitating and ultimately fatal disease is manifested by cognitive and memory decline and other neuropsychiatric symptoms and behavioral dysfunctions. Patients exhibit progressive behavioral changes, including loss of interest and memory problems. The associated frustration and aggressiveness can be treated with sedative or neuroleptic therapies.

Figure 5.7: Neuromuscular Junction

Parkinson’s disease (paralysis agitans) is an idiopathic neurological condition marked by degeneration and dysfunction within the basal ganglia, clusters of nerve cells (neurons) at the base of the cerebrum, on both sides of the thalamus, above the brainstem. The basal ganglia may also be referred to as separate structures that include the caudate nucleus, putamen, and globus pallidus. This disease involves the degeneration of the nigral neurons, a group of specialized cells in the midbrain that contain neuromelanin and manufacture the neurotransmitter dopamine. When 75 to 80 percent of the dopamine innervation is destroyed, signs and symptoms of parkinsonism begin to

ICD-9-CM ICD-10-CM

331.0 Alzheimer’s disease G30.0 Alzheimer’s disease with early onsetG30.1 Alzheimer’s disease with late onsetG30.8 Other Alzheimer’s diseaseG30.9 Alzheimer’s disease, unspecified

Nerve

Nervefascicles

Muscle

Model of normal neuromuscular

junction

Acetylcholinereaction

Appendix A. Knowledge Review Answers

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Chapter 8. ICD-10-CM: Blood and Blood-Forming Organs

1. What are the three main functions of blood?a. Transportation

b. Regulation

c. Protection

Rationale: Blood serves many purposes that can be divided into three main functions: transportation, regulation, protection.

2. What are the formed elements found in blood?a. Red blood cells

b. White blood cells

c. Platelets

Rationale: There are formed elements, consisting of red blood cells, white blood cells, and platelets, and plasma, in which the formed elements “float.”

3. The plasma is the liquid that suspends the formed elements.Rationale: There are formed elements, consisting of red blood cells, white blood cells, and platelets, and plasma, in which the formed elements “float.”

4. Erythrocytes are also known as red blood cells. Rationale: Red blood cells, or erythrocytes, make up more than 99 percent of the formed elements.

5. The red blood cells’ main function is to carry oxygen to cells and transport some carbon dioxide away.Rationale: Red blood cells travel throughout the body delivering oxygen and removing some of the carbon dioxide the cells release.

6. Hemoglobin is the protein responsible for the red color of blood.Rationale: The protein molecules, known as hemoglobin, are responsible for the blood’s color. When the RBCs are carrying oxygen, the blood appears bright red; when the hemoglobin is de-oxygenated, the blood appears blue when viewed through blood vessel walls.

7. What are the four blood types?a. A

b. B

c. AB

d. O

Rationale: The blood type group is determined by identifying up to two antigens on the surface of an erythrocyte. These antigens are known as antigen A and antigen B. The absence or presence of these determine the four blood types:• A: Antigen A is present.• B: Antigen B is present.• AB: Both antigens are present.

Appendix B. Body Part Key

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Medial epicondyle of femur

Lower Femur, Right

Lower Femur, Left

Medial epicondyle of humerus

Humeral Shaft, Right

Humeral Shaft, Left

Medial malleolus Tibia, Left

Tibia, Right

Medial meniscus Knee Joint, Right

Knee Joint, Left

Medial plantar artery Foot Artery, Right

Foot Artery, Left

Medial plantar nerve Tibial Nerve

Medial popliteal nerve Tibial Nerve

Medial rectus muscle Extraocular Muscle, Right

Extraocular Muscle, Left

Medial sural cutaneous nerve

Tibial Nerve

Median antebrachial vein Basilic Vein, Right

Basilic Vein, Left

Median cubital vein Basilic Vein, Right

Basilic Vein, Left

Median sacral artery Abdominal Aorta

Mediastinal lymph node Lymphatic, Thorax

Meissner's (submucous) plexus

Abdominal Sympathetic Nerve

Membranous urethra Urethra

Mental foramen Mandible, Left

Mandible, Right

Mentalis muscle Facial Muscle

Mesoappendix Mesentery

Mesocolon Mesentery

Metacarpal ligament Hand Bursa and Ligament, Right

Hand Bursa and Ligament, Left

Metacarpophalangeal ligament

Hand Bursa and Ligament, Right

Hand Bursa and Ligament, Left

Metatarsal ligament Foot Bursa and Ligament, Right

Foot Bursa and Ligament, Left

Metatarsophalangeal (MTP) joint

Metatarsal-Phalangeal Joint, Right

Metatarsal-Phalangeal Joint, Left

Metatarsophalangeal ligament

Foot Bursa and Ligament, Right

Foot Bursa and Ligament, Left

Metathalamus Thalamus

Midcarpal joint Carpal Joint, Right

Carpal Joint, Left

Middle cardiac nerve Thoracic Sympathetic Nerve

Middle cerebral artery Intracranial Artery

Middle cerebral vein Intracranial Vein

Anatomical Term PCS Description

Middle colic vein Colic Vein

Middle genicular artery Popliteal Artery, Right

Popliteal Artery, Left

Middle hemorrhoidal vein

Hypogastric Vein, Right

Hypogastric Vein, Left

Middle rectal artery Internal Iliac Artery, Right

Internal Iliac Artery, Left

Middle suprarenal artery Abdominal Aorta

Middle temporal artery Temporal Artery, Right

Temporal Artery, Left

Middle turbinate Nasal Turbinate

Mitral annulus Mitral Valve

Molar gland Buccal Mucosa

Musculocutaneous nerve Brachial Plexus

Musculophrenic artery Internal Mammary Artery, Right

Internal Mammary Artery, Left

Musculospiral nerve Radial Nerve

Myelencephalon Medulla Oblongata

Myenteric (Auerbach's) plexus

Abdominal Sympathetic Nerve

Myometrium Uterus

Nail bed Finger Nail

Toe Nail

Nail plate Finger Nail

Toe Nail

Nasal cavity Nose

Nasal concha Nasal Turbinate

Nasalis muscle Facial Muscle

Nasolacrimal duct Lacrimal Duct, Right

Lacrimal Duct, Left

Navicular bone Tarsal, Left

Tarsal, Right

Neck of femur Upper Femur, Right

Upper Femur, Left

Neck of humerus (anatomical) (surgical)

Humeral Head, Right

Humeral Head, Left

Nerve to the stapedius Facial Nerve

Neurohypophysis Pituitary Gland

Ninth cranial nerve Glossopharyngeal Nerve

Nostril Nose

Obturator artery Internal Iliac Artery, Right

Internal Iliac Artery, Left

Obturator lymph node Lymphatic, Pelvis

Obturator muscle Hip Muscle, Right

Hip Muscle, Left

Obturator nerve Lumbar Plexus

Anatomical Term PCS Description

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Appendix C.Root Operation Conversion Table

Documented Procedure PCS Root Operation Key Objective of Procedure/Comment

Common Suffixes-centesis Drainage 9

-desis Fusion G

-ectomy Excision B Cutting out or off, without replacement, a portion

Resection T Cutting out or off, without replacement, all of a body part

-exeresis Extraction D

-lysis Release N

-oscopy Inspection J

-otomy Division 8 Cutting into body part w/o taking out fluids and/or gases to separate or transect a body part

Drainage 9 Taking out fluids and/or gases

-pexy Repair Q Restoring to normal anatomy or function—Used only when no other root operation is applicable

Reposition S Move body part to a new location (e.g., free flaps)

-plasty Repair Q Restoring to normal anatomy or function—Used only when no other root operation is applicable

Replacement R Putting in/on biological/synthetic material to take the place and/or function of a body part

Supplement U Putting in/on biologic/synthetic material to reinforce and/or augment the function of a body part

-plication Restriction V

-rraphy Repair Q

-stasis Control 3

-tripsy Fragmentation F

Common ProceduresAdenoidectomy

partial Excision B Coded separately from concomitant tonsillectomy

total Resection T Coded separately from concomitant tonsillectomy

Adhesiolysis Release N

Advancement (flap) Reposition S Move body part to a new location (e.g., free flaps)

Transfer X Move body part to another location to take over the function, still connected to its vascular and nervous supply

Amniocentesis Drainage 9 See table 1Ø9.

Amputation (extremity) Detachment 6

Anastomosis Bypass 1

Aneurysm clipping Restriction V

Angiocardiography (e.g., with cardiac cath)

Plain Radiography Ø See table B2Ø.

= Procedures Involving Devices

DVC

DVC

DVC