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M62.5

⚠ Non-billable (Header)

Muscle wasting and atrophy, not elsewhere classified

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Disuse atrophy NEC

❌ Excludes1

direct

Cannot be coded with M62.5

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

❌ Excludes1

inherited from M62

Rules from parent category M62: Other disorders of muscle

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

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • pelvic muscle wasting (N81.84)

⚠️ Excludes2

inherited from M62

Rules from parent category M62: Other disorders of muscle

  • • nontraumatic hematoma of muscle (M79.81)

Child Codes (11)

M62.50Muscle wasting and atrophy, not elsewhere classified, unspecified siteM62.51Muscle wasting and atrophy, not elsewhere classified, shoulderM62.52Muscle wasting and atrophy, not elsewhere classified, upper armM62.53Muscle wasting and atrophy, not elsewhere classified, forearmM62.54Muscle wasting and atrophy, not elsewhere classified, handM62.55Muscle wasting and atrophy, not elsewhere classified, thighM62.56Muscle wasting and atrophy, not elsewhere classified, lower legM62.57Muscle wasting and atrophy, not elsewhere classified, ankle and footM62.58Muscle wasting and atrophy, not elsewhere classified, other siteM62.59Muscle wasting and atrophy, not elsewhere classified, multiple sitesM62.5AMuscle wasting and atrophy, not elsewhere classified, back

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Code Information

CodeM62.5
BillableNo — Header code
ParentM62
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes18 rule(s)
Excludes22 note(s)
Child codes11

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)