M85.5
Non-billableAneurysmal bone cyst
M85.5 is the ICD-10-CM code for Aneurysmal bone cyst. It is a non-billable category code — use a more specific child code such as M85.50 for billing.
M00-M99 Diseases of the musculoskeletal system and connective tissue
Excludes2 — not included here
- •aneurysmal cyst of jaw (M27.4)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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