M62.5A2 — Muscle wasting and atrophy, not elsewhere classified, back, lumbosacral
Is M62.5A2 billable?
Yes, but M62.5A2 is an unspecified code. M62.5A2 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, M62.5A2 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting M62.5A2 — the more specific alternatives are listed below.
M62.5A2 at a glance
| Code | M62.5A2 |
|---|---|
| Description | Muscle wasting and atrophy, not elsewhere classified, back, lumbosacral |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M62.5A2 group to?
M62.5A2 sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 557Tendonitis, Myositis and Bursitis with MCCmedical
- 558Tendonitis, Myositis and Bursitis without MCCmedical
How is M62.5A2 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to M62.5A2. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Atrophy, atrophic › muscle, muscular › back › lumbosacral (of)
Excludes1 — never code together — inherited from M60-M63
The conditions below can never be reported together with M62.5A2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from M62
The conditions below can never be reported together with M62.5A2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from M62.5
The conditions below can never be reported together with M62.5A2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M62.5A2, but a patient may have both at the same time. When documentation supports it, M62.5A2 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from M60-M63
The conditions below are not part of M62.5A2, but a patient may have both at the same time. When documentation supports it, M62.5A2 and the excluded code may both be reported.
- muscular dystrophies and myopathies (G71-G72)
Excludes2 — not included here — inherited from M62
The conditions below are not part of M62.5A2, but a patient may have both at the same time. When documentation supports it, M62.5A2 and the excluded code may both be reported.
- nontraumatic hematoma of muscle (M79.81)
Excludes2 — not included here — inherited from M62.5
The conditions below are not part of M62.5A2, but a patient may have both at the same time. When documentation supports it, M62.5A2 and the excluded code may both be reported.
- pelvic muscle wasting (N81.84)
How long has M62.5A2 existed?
M62.5A2 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.