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ICD-10-CM 2027

ICD-10 code for ankle chondrocalcinosis

M11.27

Other chondrocalcinosis, ankle and foot

Header — needs a more specific code

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

About coding ankle chondrocalcinosis

The ICD-10-CM code for ankle chondrocalcinosis is M11.27 (Other chondrocalcinosis, ankle and foot).

Within M11.2 (other chondrocalcinosis), M11.27 is specifically for other chondrocalcinosis, ankle and foot. Related codes cover unspecified site (M11.20), shoulder (M11.21), elbow (M11.22), wrist (M11.23), hand (M11.24), hip (M11.25), knee (M11.26), vertebrae (M11.28) and 1 more.

To report this condition, pick the subcode that matches the documentation: M11.271 (foot), M11.272 (foot) and M11.279 (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 ankle chondrocalcinosis ICD-10 codes

What is the ICD-10 code for ankle chondrocalcinosis?

M11.27 — Other chondrocalcinosis, ankle and foot (a header code; report a more specific subcode).

Is M11.27 billable?

No. M11.27 is a header code. Report one of its more specific subcodes instead.