ICD-10 M12.451
Billable / SpecificIntermittent hydrarthrosis, right hip
About ICD-10-CM M12.451
ICD-10-CM code M12.451 represents Intermittent hydrarthrosis, right hip. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M12). The 2026 edition of ICD-10-CM M12.451 became effective on October 1, 2025.
Medicare LCD Coverage for M12.451
Local Coverage Determinations (LCDs) from CMS MACs that list M12.451 as a covered diagnosis.
Showing top 10 of 196 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M12.451.
5 Medicare
CPT Codes Commonly Billed with M12.451
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 98943 CMS LCD: Billing and Coding: Chiropractic Services CMS LCD
Convert M12.451 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 |
|---|---|---|
| M12.451 | 71935 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M12.451
Other codes in section M05-M14 (Inflammatory polyarthropathies).
ICD-10 M12.451, Billing FAQ
Is ICD-10 code M12.451 billable? +
Yes, M12.451 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 M12.451? +
Procedures frequently paired with M12.451 include: 98943.
What ICD-9 codes does M12.451 map to? +
Per CMS GEMs, M12.451 maps to ICD-9 codes: 71935. 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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