ICD-10 M85.129
Billable / SpecificSkeletal fluorosis, unspecified upper arm
About ICD-10-CM M85.129
ICD-10-CM code M85.129 represents Skeletal fluorosis, unspecified upper arm. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M85). The 2026 edition of ICD-10-CM M85.129 became effective on October 1, 2025.
Medicare LCD Coverage for M85.129
Local Coverage Determinations (LCDs) from CMS MACs that list M85.129 as a covered diagnosis.
Showing top 2. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M85.129.
1 Medicare
CPT Codes Commonly Billed with M85.129
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.
Convert M85.129 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 |
|---|---|---|
| M85.129 | 73399 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M85.129
Other codes in section M80-M85 (Disorders of bone density and structure).
ICD-10 M85.129, Billing FAQ
Is ICD-10 code M85.129 billable? +
Yes, M85.129 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does M85.129 map to? +
Per CMS GEMs, M85.129 maps to ICD-9 codes: 73399. 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 May 31, 2026.
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