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ICD-10-CM 2027

ICD-10 code for achilles tendinitis

M76.6

Achilles tendinitis

Header — needs a more specific code

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

About coding achilles tendinitis

The ICD-10-CM code for achilles tendinitis is M76.6 (Achilles tendinitis).

Within M76 (enthesopathies, lower limb, excluding foot), M76.6 is specifically for achilles tendinitis. Related codes cover Gluteal tendinitis (M76.0), Psoas tendinitis (M76.1), iliac crest spur (M76.2), Iliotibial band syndrome (M76.3), tibial collateral bursitis [Pellegrini-Stieda] (M76.4), patellar tendinitis (M76.5), peroneal tendinitis (M76.7), other specified enthesopathies of lower limb, excluding foot (M76.8) and 1 more.

To report this condition, pick the subcode that matches the documentation: M76.60 (unspecified leg), M76.61 (right leg) and M76.62 (left 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 achilles tendinitis ICD-10 codes

What is the ICD-10 code for achilles tendinitis?

M76.6 — Achilles tendinitis (a header code; report a more specific subcode).

Is M76.6 billable?

No. M76.6 is a header code. Report one of its more specific subcodes instead.