M76.822 Posterior tibial tendinitis, left leg

Billable ICD-10-CM code, FY2026.

Applies from M76 Enthesopathies, lower limb, excluding foot

Excludes2 (not included here)

• bursitis due to use, overuse and pressure (M70.-)
• enthesopathies of ankle and foot (M77.5-)

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 726.72 Tibialis tendinitis (approximate)

Code annotations containing back-references to M76.822

Back-references to M76.8

• Type 2 Excludes: T79.6 Traumatic ischemia of muscle ("anterior tibial syndrome (M76.8)")

Back-references to M76

• Type 1 Excludes: M65.2 Calcific tendinitis ("tendinitis as classified in M75-M77")
• Type 2 Excludes: M70 Soft tissue disorders related to use, overuse and pressure ("enthesopathies (M76-M77)")
• Type 1 Excludes: M71 Other bursopathies ("enthesopathies (M76-M77)")

Nearby codes

• M76.811 Anterior tibial syndrome, right leg
• M76.812 Anterior tibial syndrome, left leg
• M76.819 Anterior tibial syndrome, unspecified leg
• M76.82 Posterior tibial tendinitis
• M76.821 Posterior tibial tendinitis, right leg
• M76.822 Posterior tibial tendinitis, left leg (this code)
• M76.829 Posterior tibial tendinitis, unspecified leg
• M76.89 Other specified enthesopathies of lower limb, excluding foot
• M76.891 Other specified enthesopathies of right lower limb, excluding foot
• M76.892 Other specified enthesopathies of left lower limb, excluding foot
• M76.899 Other specified enthesopathies of unspecified lower limb, excluding foot