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ICD-10-CM 2027

ICD-10 code for knee osteochondropathy

M93.96

Osteochondropathy, unspecified lower leg

Header — needs a more specific code

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

About coding knee osteochondropathy

The ICD-10-CM code for knee osteochondropathy is M93.96 (Osteochondropathy, unspecified lower leg).

Within M93.9 (osteochondropathy, unspecified), M93.96 is specifically for osteochondropathy, unspecified lower leg. Related codes cover of unspecified site (M93.90), of shoulder (M93.91), of upper arm (M93.92), of forearm (M93.93), of hand (M93.94), of thigh (M93.95), of ankle and foot (M93.97), other (M93.98) and 1 more.

To report this condition, pick the subcode that matches the documentation: M93.961 (leg), M93.962 (leg) and M93.969 (leg).

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 knee osteochondropathy ICD-10 codes

What is the ICD-10 code for knee osteochondropathy?

M93.96 — Osteochondropathy, unspecified lower leg (a header code; report a more specific subcode).

Is M93.96 billable?

No. M93.96 is a header code. Report one of its more specific subcodes instead.