M62.5A1

Muscle wasting and atrophy, not elsewhere classified, back, thoracic

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from M62.5Muscle wasting and atrophy, not elsewhere classified
Excludes 1

neuralgic amyotrophy (G54.5) progressive muscular atrophy (G12.21) sarcopenia (M62.84)

Excludes 2

pelvic muscle wasting (N81.84)

Synonyms

Disuse atrophy NEC

Inherited from M62Other disorders of muscle
Excludes 1

alcoholic myopathy (G72.1) cramp and spasm (R25.2) drug-induced myopathy (G72.0) myalgia (M79.1-) stiff-man syndrome (G25.82)

Excludes 2

nontraumatic hematoma of muscle (M79.81)

Inherited from M60-M63Disorders of muscles
Excludes 1

dermatopolymyositis (M33.-) myopathy in amyloidosis (E85.-) myopathy in polyarteritis nodosa (M30.0) myopathy in rheumatoid arthritis (M05.32) myopathy in scleroderma (M34.-) myopathy in Sjögren's syndrome (M35.03) myopathy in systemic lupus erythematosus (M32.-)

Excludes 2

muscular dystrophies and myopathies (G71-G72)

Inherited from chapter 13Diseases of the musculoskeletal system and connective tissue
Excludes 2

arthropathic psoriasis (L40.5-) certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) compartment syndrome (traumatic) (T79.A-) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Note

Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition (M00-M25) Arthropathies (M00-M25) Includes: Disorders affecting predominantly peripheral (limb) joints (M40-M54) Dorsopathies (M40-M54) (M60-M79) Soft tissue disorders (M60-M79) (M80-M94) Osteopathies and chondropathies (M80-M94)

Official Guidelines for M62.5A1

FY 2026 ›
I.C.13Chapter-specific guidanceChapter 13: Diseases of the Musculoskeletal System and Connective

Subsections

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