M61.50
Billable codeOther ossification of muscle, unspecified site
The ICD-10 code for other ossification of muscle, unspecified site is M61.50.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M61.51Other ossification of muscle, shouldernon-billable header
- M61.52Other ossification of muscle, upper armnon-billable header
- M61.53Other ossification of muscle, forearmnon-billable header
- M61.54Other ossification of muscle, handnon-billable header
- M61.55Other ossification of muscle, thighnon-billable header
- M61.56Other ossification of muscle, lower legnon-billable header
- M61.57Other ossification of muscle, ankle and footnon-billable header
- M61.58Other ossification of muscle, other site
- M61.59Other ossification of muscle, multiple sites
- M61.50Other ossification of muscle, unspecified site
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 72819Approximate match
Associated MS-DRGs
M61.50 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.