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ICD-10-CM 2027

ICD-10 code for foot joint osteophyte

M25.77

Osteophyte, ankle and foot

Header — needs a more specific code

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

About coding foot joint osteophyte

The ICD-10-CM code for foot joint osteophyte is M25.77 (Osteophyte, ankle and foot).

Within M25.7 (Osteophyte), M25.77 is specifically for Osteophyte, ankle and foot. Related codes cover unspecified joint (M25.70), shoulder (M25.71), elbow (M25.72), wrist (M25.73), hand (M25.74), hip (M25.75), knee (M25.76) and vertebrae (M25.78).

To report this condition, pick the subcode that matches the documentation: M25.771 (ankle), M25.772 (ankle), M25.773 (ankle), M25.774 (foot), M25.775 (foot) and M25.776 (foot).

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 foot joint osteophyte ICD-10 codes

What is the ICD-10 code for foot joint osteophyte?

M25.77 — Osteophyte, ankle and foot (a header code; report a more specific subcode).

Is M25.77 billable?

No. M25.77 is a header code. Report one of its more specific subcodes instead.