M85.131: Skeletal fluorosis, right forearm
M85.131 is the billable ICD-10-CM diagnosis code for Skeletal fluorosis, right forearm. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code M85.131?
M85.131 is the ICD-10-CM diagnosis code for Skeletal fluorosis, right forearm. It belongs to category M85 (Other disorders of bone density and structure).
Is M85.131 a billable code?
Yes. M85.131 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does M85.131 belong to?
M85.131 is part of ICD-10-CM category M85 — Other disorders of bone density and structure, which has 338 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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