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ICD-10-CM 2027

ICD-10 code for ulna osteolysis

M89.53

Osteolysis, forearm

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Osteolysis › ulna”. Page updated September 29, 2026.

About coding ulna osteolysis

The ICD-10-CM code for ulna osteolysis is M89.53 (Osteolysis, forearm).

Within M89.5 (osteolysis), M89.53 is specifically for osteolysis, forearm. Related codes cover unspecified site (M89.50), shoulder (M89.51), upper arm (M89.52), hand (M89.54), thigh (M89.55), lower leg (M89.56), ankle and foot (M89.57), other site (M89.58) and 1 more.

To report this condition, pick the subcode that matches the documentation: M89.531 (forearm), M89.532 (forearm) and M89.539 (forearm).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about ulna osteolysis ICD-10 codes

What is the ICD-10 code for ulna osteolysis?

M89.53 — Osteolysis, forearm (a header code; report a more specific subcode).

Is M89.53 billable?

No. M89.53 is a header code. Report one of its more specific subcodes instead.