M25.461Billable
Effusion, right knee
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M25
- Effective date
- October 1, 2026
Related codes in category M25
M25Other joint disorder, not elsewhere classifiedM25.0HemarthrosisM25.00Hemarthrosis, unspecified jointYesM25.01Hemarthrosis, shoulderM25.011Hemarthrosis, right shoulderYesM25.012Hemarthrosis, left shoulderYesM25.019Hemarthrosis, unspecified shoulderYesM25.02Hemarthrosis, elbowM25.021Hemarthrosis, right elbowYesM25.022Hemarthrosis, left elbowYesM25.029Hemarthrosis, unspecified elbowYesM25.03Hemarthrosis, wrist
Frequently asked questions
What is ICD-10 code M25.461?
M25.461 is an ICD-10-CM diagnosis code for Effusion, right knee.
Is M25.461 a billable code?
Yes. M25.461 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M25.461 in?
M25.461 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M25.461 become effective?
M25.461 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M25.461?
M25.461 belongs to category M25, 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.