ICD-10 M25.561
Billable / SpecificPain in right knee
About ICD-10-CM M25.561
ICD-10-CM code M25.561 represents Pain in right knee. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M25). The 2026 edition of ICD-10-CM M25.561 became effective on October 1, 2025.
Medicare LCD Coverage for M25.561
Local Coverage Determinations (LCDs) from CMS MACs that list M25.561 as a covered diagnosis.
Showing top 10 of 591 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M25.561.
3 Cigna
5 Medicare
CPT Codes Commonly Billed with M25.561
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 73721 MRI knee without contrast — knee pain, meniscal derangement, meniscal tear, patellar tendinitis, knee OA, ACL injury Orthopedics
- 86790 CMS LCD: Billing and Coding: Zika Virus Testing by PCR and ELISA Methods CMS LCD
- 86794 CMS LCD: Billing and Coding: Zika Virus Testing by PCR and ELISA Methods CMS LCD
Convert M25.561 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M25.561 | 71946 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M25.561
Other codes in section M20-M25 (Other joint disorders).
ICD-10 M25.561, Billing FAQ
Is ICD-10 code M25.561 billable? +
Yes, M25.561 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M25.561? +
Procedures frequently paired with M25.561 include: 73721, 86790, 86794.
What ICD-9 codes does M25.561 map to? +
Per CMS GEMs, M25.561 maps to ICD-9 codes: 71946. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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