M12.28
Billable codeVillonodular synovitis (pigmented), other specified site
The ICD-10 code for villonodular synovitis (pigmented), other specified site is M12.28.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Villonodular synovitis (pigmented), vertebrae
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M12.20Villonodular synovitis (pigmented), unspecified site
- M12.21Villonodular synovitis (pigmented), shouldernon-billable header
- M12.22Villonodular synovitis (pigmented), elbownon-billable header
- M12.23Villonodular synovitis (pigmented), wristnon-billable header
- M12.24Villonodular synovitis (pigmented), handnon-billable header
- M12.25Villonodular synovitis (pigmented), hipnon-billable header
- M12.26Villonodular synovitis (pigmented), kneenon-billable header
- M12.27Villonodular synovitis (pigmented), ankle and footnon-billable header
- M12.29Villonodular synovitis (pigmented), multiple sites
- M12.28Villonodular synovitis (pigmented), other specified site
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 71928
Associated MS-DRGs
M12.28 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.