ICD-10 M87
Non-Billable HeaderOsteonecrosis
About ICD-10-CM M87
ICD-10-CM code M87 represents Osteonecrosis. This is a non-billable header code in the Musculoskeletal and Connective Tissue chapter (block M87). The 2026 edition of ICD-10-CM M87 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.
Type 1 Excludes
Pure excludes, these codes can never be coded together with M87. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- juvenile osteonecrosis (M91-M92)
- osteochondropathies (M90-M93)
Includes
- avascular necrosis of bone
Use Additional Code
When coding M87, also report these additional codes when applicable.
- code to identify major osseous defect, if applicable (M89.7-)
Medicare LCD Coverage for M87
Local Coverage Determinations (LCDs) from CMS MACs that list M87 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 M87.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but M87 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with M87
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 M87
Other codes in section M86-M90 (Other osteopathies).
ICD-10 M87, Billing FAQ
Is ICD-10 code M87 billable? +
No, M87 is a non-billable header code. Use a more specific child code from block M87 when submitting claims.
What codes are Type 1 Excludes for M87? +
Type 1 Excludes (never code together with M87): juvenile osteonecrosis (M91-M92); osteochondropathies (M90-M93)
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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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