FY2022 · 04-01
Effective from
- Inherited rules changed
Muscle wasting and atrophy, not elsewhere classified
Category — select a more specific code
CDC/NCHS · FY2022 · 04-01pelvic muscle wasting (N81.84)
nontraumatic hematoma of muscle (M79.81)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2022 · 04-01
Effective from
Muscle wasting and atrophy, not elsewhere classified
Category — select a more specific code
CDC/NCHS · FY2022 · 04-01| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Code-level rules changed |
| FY2018 | 2017-10-01 | Code-level rules changed |
| FY2019 | 2018-10-01 | Inherited rules changed |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | Inherited rules changed |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Disuse atrophy NEC
pelvic muscle wasting (N81.84)
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
nontraumatic hematoma of muscle (M79.81)
M62.50Muscle wasting and atrophy, not elsewhere classified, unspecified siteBillable / specificM62.51Muscle wasting and atrophy, not elsewhere classified, shoulderCategory · further specificity requiredM62.52Muscle wasting and atrophy, not elsewhere classified, upper armCategory · further specificity requiredM62.53Muscle wasting and atrophy, not elsewhere classified, forearmCategory · further specificity requiredM62.54Muscle wasting and atrophy, not elsewhere classified, handCategory · further specificity requiredM62.55Muscle wasting and atrophy, not elsewhere classified, thighCategory · further specificity requiredM62.56Muscle wasting and atrophy, not elsewhere classified, lower legCategory · further specificity requiredM62.57Muscle wasting and atrophy, not elsewhere classified, ankle and footCategory · further specificity requiredM62.58Muscle wasting and atrophy, not elsewhere classified, other siteBillable / specificM62.59Muscle wasting and atrophy, not elsewhere classified, multiple sitesBillable / specificM62.5AMuscle wasting and atrophy, not elsewhere classified, backCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M62.0 | Separation of muscle (nontraumatic) | Category · further specificity required |
| M62.1 | Other rupture of muscle (nontraumatic) | Category · further specificity required |
| M62.2 | Nontraumatic ischemic infarction of muscle | Category · further specificity required |
| M62.3 | Immobility syndrome (paraplegic) | Billable / specific |
| M62.4 | Contracture of muscle | Category · further specificity required |
| M62.8 | Other specified disorders of muscle | Category · further specificity required |
| M62.9 | Disorder of muscle, unspecified | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗