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ICD-10-CM 2027

ICD-10 code for patella clunk syndrome

M25.86

Other specified joint disorders, knee

Header — needs a more specific code

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

About coding patella clunk syndrome

The ICD-10-CM code for patella clunk syndrome is M25.86 (Other specified joint disorders, knee).

Within M25.8 (other specified joint disorders), M25.86 is specifically for other specified joint disorders, knee. Related codes cover unspecified joint (M25.80), shoulder (M25.81), elbow (M25.82), wrist (M25.83), hand (M25.84), hip (M25.85) and ankle and foot (M25.87).

To report this condition, pick the subcode that matches the documentation: M25.861 (knee), M25.862 (knee) and M25.869 (knee).

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 patella clunk syndrome ICD-10 codes

What is the ICD-10 code for patella clunk syndrome?

M25.86 — Other specified joint disorders, knee (a header code; report a more specific subcode).

Is M25.86 billable?

No. M25.86 is a header code. Report one of its more specific subcodes instead.