M62.5

Non-Billable

ChapterM00–M99

Ranksubcategory

Official Description

Muscle wasting and atrophy, not elsewhere classified

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes

Disuse atrophy NEC

Excludes1(Not coded here)

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

Excludes2(Not included here)

pelvic muscle wasting (N81.84)

General instructions are available for the parent sections:

View CH13 Notes View M60-M63 Notes View M62 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M60-M63Disorders of muscles (M60-M63)

M62Other disorders of muscle

M62.5Muscle wasting and atrophy, not elsewhere classified

M62.50Muscle wasting and atrophy, not elsewhere classified, unspecified site

M62.51Muscle wasting and atrophy, not elsewhere classified, shoulder

M62.52Muscle wasting and atrophy, not elsewhere classified, upper arm

M62.53Muscle wasting and atrophy, not elsewhere classified, forearm

M62.54Muscle wasting and atrophy, not elsewhere classified, hand

M62.55Muscle wasting and atrophy, not elsewhere classified, thigh

M62.56Muscle wasting and atrophy, not elsewhere classified, lower leg

M62.57Muscle wasting and atrophy, not elsewhere classified, ankle and foot

M62.58Muscle wasting and atrophy, not elsewhere classified, other site

M62.59Muscle wasting and atrophy, not elsewhere classified, multiple sites

M62.5AMuscle wasting and atrophy, not elsewhere classified, back

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M62.5:

categoryM62

Other disorders of muscle

View context instructions

blockM60-M63

Disorders of muscles (M60-M63)

View context instructions

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M62.5. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

15 raw paths

Atrophy, atrophic (of)15 unique routes

muscle, muscular (diffuse) (general) (idiopathic) (primary)→M62.5(15 variants)

ankle→M62.5

back→M62.5(4 variants)

foot→M62.5

hand→M62.5