M12.20Billable
Villonodular synovitis (pigmented), unspecified site
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M12
- Effective date
- October 1, 2026
Related codes in category M12
M12Other and unspecified arthropathyM12.0Chronic postrheumatic arthropathy [Jaccoud]M12.00Chronic postrheumatic arthropathy, unspecified siteYesM12.01Chronic postrheumatic arthropathy [Jaccoud], shoulderM12.011Chronic postrheumatic arthropathy [Jaccoud], right shoulderYesM12.012Chronic postrheumatic arthropathy [Jaccoud], left shoulderYesM12.019Chronic postrheumatic arthropathy, unspecified shoulderYesM12.02Chronic postrheumatic arthropathy [Jaccoud], elbowM12.021Chronic postrheumatic arthropathy [Jaccoud], right elbowYesM12.022Chronic postrheumatic arthropathy [Jaccoud], left elbowYesM12.029Chronic postrheumatic arthropathy, unspecified elbowYesM12.03Chronic postrheumatic arthropathy [Jaccoud], wrist
Frequently asked questions
What is ICD-10 code M12.20?
M12.20 is an ICD-10-CM diagnosis code for Villonodular synovitis (pigmented), unspecified site.
Is M12.20 a billable code?
Yes. M12.20 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M12.20 in?
M12.20 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M12.20 become effective?
M12.20 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M12.20?
M12.20 belongs to category M12, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.