ICD-10-CM 2027
ICD-10 code for tibial posterior tendinitis
From the official ICD-10-CM alphabetic index entry “Tendinitis, tendonitis › tibial (posterior)”. Page updated September 29, 2026.
About coding tibial posterior tendinitis
The ICD-10-CM code for tibial posterior tendinitis is M76.82 (Posterior tibial tendinitis). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on M76.82.
Within M76.8 (other specified enthesopathies of lower limb, excluding foot), M76.82 is specifically for posterior tibial tendinitis. Related codes cover anterior tibial syndrome (M76.81) and other specified enthesopathies of lower limb, excluding foot (M76.89).
To report this condition, pick the subcode that matches the documentation: M76.821 (right leg), M76.822 (left leg) and M76.829 (unspecified leg).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific tibial posterior tendinitis codes (official index)
- anterior M76.81 — Anterior tibial syndrome
Common questions about tibial posterior tendinitis ICD-10 codes
What is the ICD-10 code for tibial posterior tendinitis?
- M76.82 — Posterior tibial tendinitis (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: M76.81.
What is the ICD-10 code for anterior tibial posterior tendinitis?
- M76.81 — Anterior tibial syndrome (header code; choose a more specific subcode).
Is M76.82 billable?
- No. M76.82 is a header code. Report one of its more specific subcodes instead.