ICD-10 M71.3
Non-Billable HeaderOther bursal cyst
About ICD-10-CM M71.3
ICD-10-CM code M71.3 represents Other bursal cyst. This is a non-billable header code in the Musculoskeletal and Connective Tissue chapter (block M71). The 2026 edition of ICD-10-CM M71.3 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under M71.3. Per CMS ICD-10-CM Tabular 2026.
- Synovial cyst NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with M71.3. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- synovial cyst with rupture (M66.1-)
Medicare LCD Coverage for M71.3
Local Coverage Determinations (LCDs) from CMS MACs that list M71.3 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M71.3.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but M71.3 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with M71.3
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To M71.3
Other codes in section M70-M79 (Other soft tissue disorders).
ICD-10 M71.3, Billing FAQ
Is ICD-10 code M71.3 billable? +
No, M71.3 is a non-billable header code. Use a more specific child code from block M71 when submitting claims.
What other names or terms map to M71.3? +
ICD-10 M71.3 includes: Synovial cyst NOS.
What codes are Type 1 Excludes for M71.3? +
Type 1 Excludes (never code together with M71.3): synovial cyst with rupture (M66.1-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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