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ICD-10-CM 2027

ICD-10 code for medial epicondylitis

M77.0

Medial epicondylitis

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Epicondylitis (elbow) › medial”. Page updated September 29, 2026.

About coding medial epicondylitis

The ICD-10-CM code for medial epicondylitis is M77.0 (Medial epicondylitis).

Within M77 (other enthesopathies), M77.0 is specifically for medial epicondylitis. Related codes cover lateral epicondylitis (M77.1), Periarthritis of wrist (M77.2), Calcaneal spur (M77.3), Metatarsalgia (M77.4), other enthesopathy of foot and ankle (M77.5), not elsewhere classified (M77.8) and enthesopathy, unspecified (M77.9).

To report this condition, pick the subcode that matches the documentation: M77.00 (unspecified elbow), M77.01 (right elbow) and M77.02 (left elbow).

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 medial epicondylitis ICD-10 codes

What is the ICD-10 code for medial epicondylitis?

M77.0 — Medial epicondylitis (a header code; report a more specific subcode).

Is M77.0 billable?

No. M77.0 is a header code. Report one of its more specific subcodes instead.