FY2023
Effective from
- Added
Muscle wasting and atrophy, not elsewhere classified, back
Category — select a more specific code
CDC/NCHS · FY2023nontraumatic hematoma of muscle (M79.81)
pelvic muscle wasting (N81.84)
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 · 2022-10-01
Latest recorded change · FY2023
Effective from
Muscle wasting and atrophy, not elsewhere classified, back
Category — select a more specific code
CDC/NCHS · FY2023| All editions | Effective from | Code history |
|---|---|---|
| FY2023 | 2022-10-01 | Added |
| 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 |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
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)
Disuse atrophy NEC
pelvic muscle wasting (N81.84)
M62.5A0Muscle wasting and atrophy, not elsewhere classified, back, cervicalBillable / specificM62.5A1Muscle wasting and atrophy, not elsewhere classified, back, thoracicBillable / specificM62.5A2Muscle wasting and atrophy, not elsewhere classified, back, lumbosacralBillable / specificM62.5A9Muscle wasting and atrophy, not elsewhere classified, back, unspecified levelBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M62.50 | Muscle wasting and atrophy, not elsewhere classified, unspecified site | Billable / specific |
| M62.51 | Muscle wasting and atrophy, not elsewhere classified, shoulder | Category · further specificity required |
| M62.52 | Muscle wasting and atrophy, not elsewhere classified, upper arm | Category · further specificity required |
| M62.53 | Muscle wasting and atrophy, not elsewhere classified, forearm | Category · further specificity required |
| M62.54 | Muscle wasting and atrophy, not elsewhere classified, hand | Category · further specificity required |
| M62.55 | Muscle wasting and atrophy, not elsewhere classified, thigh | Category · further specificity required |
| M62.56 | Muscle wasting and atrophy, not elsewhere classified, lower leg | Category · further specificity required |
| M62.57 | Muscle wasting and atrophy, not elsewhere classified, ankle and foot | Category · further specificity required |
| M62.58 | Muscle wasting and atrophy, not elsewhere classified, other site | Billable / specific |
| M62.59 | Muscle wasting and atrophy, not elsewhere classified, multiple sites | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗