ICD-10 · PDGM grouping
M62 Other disorders of muscle
All 131 codes in the M62 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
131
Can lead a claim
71
Cannot lead a claim
60
What CMS assigns to M62
71 of the 131 codes group to Musculoskeletal Rehabilitation; 60 are assigned no clinical group. None of the 131 is assigned a comorbidity subgroup. 71 of the 131 can lead a claim. CMS attaches a code-first note to 1 of the 131.
Code first
CMS grouper convention 127, on M62.84. Code first:
- disorders of myoneural junction and muscle disease in diseases classified elsewhere (G73.-)
- other and unspecified myopathies (G72.-)
- primary disorders of muscles (G71.-)
- underlying disease, if applicable, such as:
Every code in M62
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| M62.0 Separation of muscle (nontraumatic) | ||||
| M62.00 | Separation of muscle (nontraumatic), unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.01 Separation of muscle (nontraumatic), shoulder | ||||
| M62.011 | Separation of muscle (nontraumatic), right shoulder | Can lead a claim | E | None |
| M62.012 | Separation of muscle (nontraumatic), left shoulder | Can lead a claim | E | None |
| M62.019 | Separation of muscle (nontraumatic), unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.02 Separation of muscle (nontraumatic), upper arm | ||||
| M62.021 | Separation of muscle (nontraumatic), right upper arm | Can lead a claim | E | None |
| M62.022 | Separation of muscle (nontraumatic), left upper arm | Can lead a claim | E | None |
| M62.029 | Separation of muscle (nontraumatic), unspecified upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.03 Separation of muscle (nontraumatic), forearm | ||||
| M62.031 | Separation of muscle (nontraumatic), right forearm | Can lead a claim | E | None |
| M62.032 | Separation of muscle (nontraumatic), left forearm | Can lead a claim | E | None |
| M62.039 | Separation of muscle (nontraumatic), unspecified forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.04 Separation of muscle (nontraumatic), hand | ||||
| M62.041 | Separation of muscle (nontraumatic), right hand | Can lead a claim | E | None |
| M62.042 | Separation of muscle (nontraumatic), left hand | Can lead a claim | E | None |
| M62.049 | Separation of muscle (nontraumatic), unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.05 Separation of muscle (nontraumatic), thigh | ||||
| M62.051 | Separation of muscle (nontraumatic), right thigh | Can lead a claim | E | None |
| M62.052 | Separation of muscle (nontraumatic), left thigh | Can lead a claim | E | None |
| M62.059 | Separation of muscle (nontraumatic), unspecified thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.06 Separation of muscle (nontraumatic), lower leg | ||||
| M62.061 | Separation of muscle (nontraumatic), right lower leg | Can lead a claim | E | None |
| M62.062 | Separation of muscle (nontraumatic), left lower leg | Can lead a claim | E | None |
| M62.069 | Separation of muscle (nontraumatic), unspecified lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.07 Separation of muscle (nontraumatic), ankle and foot | ||||
| M62.071 | Separation of muscle (nontraumatic), right ankle and foot | Can lead a claim | E | None |
| M62.072 | Separation of muscle (nontraumatic), left ankle and foot | Can lead a claim | E | None |
| M62.079 | Separation of muscle (nontraumatic), unspecified ankle and footCMS: Separation of muscle (nontraumatic), unsp ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.08 | Separation of muscle (nontraumatic), other site | Can lead a claim | E | None |
| M62.1 Other rupture of muscle (nontraumatic) | ||||
| M62.10 | Other rupture of muscle (nontraumatic), unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.11 Other rupture of muscle (nontraumatic), shoulder | ||||
| M62.111 | Other rupture of muscle (nontraumatic), right shoulder | Can lead a claim | E | None |
| M62.112 | Other rupture of muscle (nontraumatic), left shoulder | Can lead a claim | E | None |
| M62.119 | Other rupture of muscle (nontraumatic), unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.12 Other rupture of muscle (nontraumatic), upper arm | ||||
| M62.121 | Other rupture of muscle (nontraumatic), right upper arm | Can lead a claim | E | None |
| M62.122 | Other rupture of muscle (nontraumatic), left upper arm | Can lead a claim | E | None |
| M62.129 | Other rupture of muscle (nontraumatic), unspecified upper armCMS: Other rupture of muscle (nontraumatic), unsp upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.13 Other rupture of muscle (nontraumatic), forearm | ||||
| M62.131 | Other rupture of muscle (nontraumatic), right forearm | Can lead a claim | E | None |
| M62.132 | Other rupture of muscle (nontraumatic), left forearm | Can lead a claim | E | None |
| M62.139 | Other rupture of muscle (nontraumatic), unspecified forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.14 Other rupture of muscle (nontraumatic), hand | ||||
| M62.141 | Other rupture of muscle (nontraumatic), right hand | Can lead a claim | E | None |
| M62.142 | Other rupture of muscle (nontraumatic), left hand | Can lead a claim | E | None |
| M62.149 | Other rupture of muscle (nontraumatic), unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.15 Other rupture of muscle (nontraumatic), thigh | ||||
| M62.151 | Other rupture of muscle (nontraumatic), right thigh | Can lead a claim | E | None |
| M62.152 | Other rupture of muscle (nontraumatic), left thigh | Can lead a claim | E | None |
| M62.159 | Other rupture of muscle (nontraumatic), unspecified thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.16 Other rupture of muscle (nontraumatic), lower leg | ||||
| M62.161 | Other rupture of muscle (nontraumatic), right lower leg | Can lead a claim | E | None |
| M62.162 | Other rupture of muscle (nontraumatic), left lower leg | Can lead a claim | E | None |
| M62.169 | Other rupture of muscle (nontraumatic), unspecified lower legCMS: Other rupture of muscle (nontraumatic), unsp lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.17 Other rupture of muscle (nontraumatic), ankle and foot | ||||
| M62.171 | Other rupture of muscle (nontraumatic), right ankle and foot | Can lead a claim | E | None |
| M62.172 | Other rupture of muscle (nontraumatic), left ankle and foot | Can lead a claim | E | None |
| M62.179 | Other rupture of muscle (nontraumatic), unspecified ankle and footCMS: Other rupture of muscle (nontraumatic), unsp ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.18 | Other rupture of muscle (nontraumatic), other site | Can lead a claim | E | None |
| M62.2 Nontraumatic ischemic infarction of muscle | ||||
| M62.20 | Nontraumatic ischemic infarction of muscle, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.21 Nontraumatic ischemic infarction of muscle, shoulder | ||||
| M62.211 | Nontraumatic ischemic infarction of muscle, right shoulder | Can lead a claim | E | None |
| M62.212 | Nontraumatic ischemic infarction of muscle, left shoulder | Can lead a claim | E | None |
| M62.219 | Nontraumatic ischemic infarction of muscle, unspecified shoulderCMS: Nontraumatic ischemic infarction of muscle, unsp shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.22 Nontraumatic ischemic infarction of muscle, upper arm | ||||
| M62.221 | Nontraumatic ischemic infarction of muscle, right upper arm | Can lead a claim | E | None |
| M62.222 | Nontraumatic ischemic infarction of muscle, left upper arm | Can lead a claim | E | None |
| M62.229 | Nontraumatic ischemic infarction of muscle, unspecified upper armCMS: Nontraumatic ischemic infarction of muscle, unsp upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.23 Nontraumatic ischemic infarction of muscle, forearm | ||||
| M62.231 | Nontraumatic ischemic infarction of muscle, right forearm | Can lead a claim | E | None |
| M62.232 | Nontraumatic ischemic infarction of muscle, left forearm | Can lead a claim | E | None |
| M62.239 | Nontraumatic ischemic infarction of muscle, unspecified forearmCMS: Nontraumatic ischemic infarction of muscle, unsp forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.24 Nontraumatic ischemic infarction of muscle, hand | ||||
| M62.241 | Nontraumatic ischemic infarction of muscle, right hand | Can lead a claim | E | None |
| M62.242 | Nontraumatic ischemic infarction of muscle, left hand | Can lead a claim | E | None |
| M62.249 | Nontraumatic ischemic infarction of muscle, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.25 Nontraumatic ischemic infarction of muscle, thigh | ||||
| M62.251 | Nontraumatic ischemic infarction of muscle, right thigh | Can lead a claim | E | None |
| M62.252 | Nontraumatic ischemic infarction of muscle, left thigh | Can lead a claim | E | None |
| M62.259 | Nontraumatic ischemic infarction of muscle, unspecified thighCMS: Nontraumatic ischemic infarction of muscle, unsp thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.26 Nontraumatic ischemic infarction of muscle, lower leg | ||||
| M62.261 | Nontraumatic ischemic infarction of muscle, right lower leg | Can lead a claim | E | None |
| M62.262 | Nontraumatic ischemic infarction of muscle, left lower leg | Can lead a claim | E | None |
| M62.269 | Nontraumatic ischemic infarction of muscle, unspecified lower legCMS: Nontraumatic ischemic infarction of muscle, unsp lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.27 Nontraumatic ischemic infarction of muscle, ankle and foot | ||||
| M62.271 | Nontraumatic ischemic infarction of muscle, right ankle and footCMS: Nontraumatic ischemic infarction of muscle, right ank/ft | Can lead a claim | E | None |
| M62.272 | Nontraumatic ischemic infarction of muscle, left ankle and footCMS: Nontraumatic ischemic infarction of muscle, left ank/ft | Can lead a claim | E | None |
| M62.279 | Nontraumatic ischemic infarction of muscle, unspecified ankle and footCMS: Nontraumatic ischemic infarction of muscle, unsp ank/ft | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.28 | Nontraumatic ischemic infarction of muscle, other site | Can lead a claim | E | None |
| M62.3 | Immobility syndrome (paraplegic) | Can lead a claim | E | None |
| M62.4 Contracture of muscle | ||||
| M62.40 | Contracture of muscle, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.41 Contracture of muscle, shoulder | ||||
| M62.411 | Contracture of muscle, right shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.412 | Contracture of muscle, left shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.419 | Contracture of muscle, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.42 Contracture of muscle, upper arm | ||||
| M62.421 | Contracture of muscle, right upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.422 | Contracture of muscle, left upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.429 | Contracture of muscle, unspecified upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.43 Contracture of muscle, forearm | ||||
| M62.431 | Contracture of muscle, right forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.432 | Contracture of muscle, left forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.439 | Contracture of muscle, unspecified forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.44 Contracture of muscle, hand | ||||
| M62.441 | Contracture of muscle, right hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.442 | Contracture of muscle, left hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.449 | Contracture of muscle, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.45 Contracture of muscle, thigh | ||||
| M62.451 | Contracture of muscle, right thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.452 | Contracture of muscle, left thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.459 | Contracture of muscle, unspecified thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.46 Contracture of muscle, lower leg | ||||
| M62.461 | Contracture of muscle, right lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.462 | Contracture of muscle, left lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.469 | Contracture of muscle, unspecified lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.47 Contracture of muscle, ankle and foot | ||||
| M62.471 | Contracture of muscle, right ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.472 | Contracture of muscle, left ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.479 | Contracture of muscle, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.48 | Contracture of muscle, other site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.49 | Contracture of muscle, multiple sites | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.5 Muscle wasting and atrophy, not elsewhere classified | ||||
| M62.50 | Muscle wasting and atrophy, not elsewhere classified, unspecified siteCMS: Muscle wasting and atrophy, NEC, unsp site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.51 Muscle wasting and atrophy, not elsewhere classified, shoulder | ||||
| M62.511 | Muscle wasting and atrophy, not elsewhere classified, right shoulderCMS: Muscle wasting and atrophy, NEC, right shoulder | Can lead a claim | E | None |
| M62.512 | Muscle wasting and atrophy, not elsewhere classified, left shoulderCMS: Muscle wasting and atrophy, NEC, left shoulder | Can lead a claim | E | None |
| M62.519 | Muscle wasting and atrophy, not elsewhere classified, unspecified shoulderCMS: Muscle wasting and atrophy, NEC, unsp shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.52 Muscle wasting and atrophy, not elsewhere classified, upper arm | ||||
| M62.521 | Muscle wasting and atrophy, not elsewhere classified, right upper armCMS: Muscle wasting and atrophy, NEC, right upper arm | Can lead a claim | E | None |
| M62.522 | Muscle wasting and atrophy, not elsewhere classified, left upper armCMS: Muscle wasting and atrophy, NEC, left upper arm | Can lead a claim | E | None |
| M62.529 | Muscle wasting and atrophy, not elsewhere classified, unspecified upper armCMS: Muscle wasting and atrophy, NEC, unsp upper arm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.53 Muscle wasting and atrophy, not elsewhere classified, forearm | ||||
| M62.531 | Muscle wasting and atrophy, not elsewhere classified, right forearmCMS: Muscle wasting and atrophy, NEC, right forearm | Can lead a claim | E | None |
| M62.532 | Muscle wasting and atrophy, not elsewhere classified, left forearmCMS: Muscle wasting and atrophy, NEC, left forearm | Can lead a claim | E | None |
| M62.539 | Muscle wasting and atrophy, not elsewhere classified, unspecified forearmCMS: Muscle wasting and atrophy, NEC, unsp forearm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.54 Muscle wasting and atrophy, not elsewhere classified, hand | ||||
| M62.541 | Muscle wasting and atrophy, not elsewhere classified, right handCMS: Muscle wasting and atrophy, NEC, right hand | Can lead a claim | E | None |
| M62.542 | Muscle wasting and atrophy, not elsewhere classified, left handCMS: Muscle wasting and atrophy, NEC, left hand | Can lead a claim | E | None |
| M62.549 | Muscle wasting and atrophy, not elsewhere classified, unspecified handCMS: Muscle wasting and atrophy, NEC, unsp hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.55 Muscle wasting and atrophy, not elsewhere classified, thigh | ||||
| M62.551 | Muscle wasting and atrophy, not elsewhere classified, right thighCMS: Muscle wasting and atrophy, NEC, right thigh | Can lead a claim | E | None |
| M62.552 | Muscle wasting and atrophy, not elsewhere classified, left thighCMS: Muscle wasting and atrophy, NEC, left thigh | Can lead a claim | E | None |
| M62.559 | Muscle wasting and atrophy, not elsewhere classified, unspecified thighCMS: Muscle wasting and atrophy, NEC, unsp thigh | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.56 Muscle wasting and atrophy, not elsewhere classified, lower leg | ||||
| M62.561 | Muscle wasting and atrophy, not elsewhere classified, right lower legCMS: Muscle wasting and atrophy, NEC, right lower leg | Can lead a claim | E | None |
| M62.562 | Muscle wasting and atrophy, not elsewhere classified, left lower legCMS: Muscle wasting and atrophy, NEC, left lower leg | Can lead a claim | E | None |
| M62.569 | Muscle wasting and atrophy, not elsewhere classified, unspecified lower legCMS: Muscle wasting and atrophy, NEC, unsp lower leg | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.57 Muscle wasting and atrophy, not elsewhere classified, ankle and foot | ||||
| M62.571 | Muscle wasting and atrophy, not elsewhere classified, right ankle and footCMS: Muscle wasting and atrophy, NEC, right ankle and foot | Can lead a claim | E | None |
| M62.572 | Muscle wasting and atrophy, not elsewhere classified, left ankle and footCMS: Muscle wasting and atrophy, NEC, left ankle and foot | Can lead a claim | E | None |
| M62.579 | Muscle wasting and atrophy, not elsewhere classified, unspecified ankle and footCMS: Muscle wasting and atrophy, NEC, unsp ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.58 | Muscle wasting and atrophy, not elsewhere classified, other siteCMS: Muscle wasting and atrophy, NEC, oth site | Can lead a claim | E | None |
| M62.59 | Muscle wasting and atrophy, not elsewhere classified, multiple sitesCMS: Muscle wasting and atrophy, NEC, multiple sites | Can lead a claim | E | None |
| M62.5A Muscle wasting and atrophy, not elsewhere classified, back | ||||
| M62.5A0 | Muscle wasting and atrophy, not elsewhere classified, back, cervicalCMS: Muscle wasting and atrophy, NEC, back, cervical | Can lead a claim | E | None |
| M62.5A1 | Muscle wasting and atrophy, not elsewhere classified, back, thoracicCMS: Muscle wasting and atrophy, NEC, back, thoracic | Can lead a claim | E | None |
| M62.5A2 | Muscle wasting and atrophy, not elsewhere classified, back, lumbosacralCMS: Muscle wasting and atrophy, NEC, back, lumbosacral | Can lead a claim | E | None |
| M62.5A9 | Muscle wasting and atrophy, not elsewhere classified, back, unspecified levelCMS: Muscle wasting and atrophy, NEC, back, unspecified level | Can lead a claim | E | None |
| M62.8 Other specified disorders of muscle | ||||
| M62.81 | Muscle weakness (generalized) | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.82 | Rhabdomyolysis | Can lead a claim | E | None |
| M62.83 Muscle spasm | ||||
| M62.830 | Muscle spasm of back | Can lead a claim | E | None |
| M62.831 | Muscle spasm of calf | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.838 | Other muscle spasm | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M62.84 | Sarcopenia | Can lead a claim, code first applies | E | None |
| M62.85 | Dysfunction of the multifidus muscles, lumbar region | Can lead a claim | E | None |
| M62.89 | Other specified disorders of muscle | Can lead a claim | E | None |
| M62.9 | Disorder of muscle, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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