M86.439: Chronic osteomyelitis with draining sinus, unspecified radius and ulna
M86.439 is the billable ICD-10-CM diagnosis code for Chronic osteomyelitis with draining sinus, unspecified radius and ulna. 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 M86.439?
M86.439 is the ICD-10-CM diagnosis code for Chronic osteomyelitis with draining sinus, unspecified radius and ulna. It belongs to category M86 (Osteomyelitis).
Is M86.439 a billable code?
Yes. M86.439 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 M86.439 belong to?
M86.439 is part of ICD-10-CM category M86 — Osteomyelitis, which has 374 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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