Diagnosis Code


Code Information

Diagnosis Code: M76.821

Short Description: Posterior tibial tendinitis, right leg

Long Description: Posterior tibial tendinitis, right leg

The code M76.821 is VALID for claim submission

Code Classification:

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other soft tissue disorders (M70-M79)
      • Enthesopathies, lower limb, excluding foot (M76)
        • M76.821 Posterior tibial tendinitis, right leg

Code Version: 2020 ICD-10-CM


  • Bilateral tendinitis of feet
  • Tendinitis of bilateral posterior tibialis muscles
  • Tendinitis of left posterior tibial tendon
  • Tendinitis of right posterior tibial tendon
  • Tendinitis of right posterior tibial tendon
  • Tendonitis of left foot
  • Tendonitis of right foot
  • Tendonitis of right foot
  • Tibialis posterior tendinitis
  • Tibialis posterior tendinitis
  • Tibialis tendinitis
  • Tibialis tendinitis

Diagnostic Related Group(s)

The code M76.821 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Tendonitis, Myositis And Bursitis With Mcc (557)
  • Tendonitis, Myositis And Bursitis Without Mcc (558)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
M76.821 Right Arrow 726.72 Tibialis tendinitis

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
M76 Enthesopathies, lower limb, excluding foot
M76.0 Gluteal tendinitis
M76.00 Gluteal tendinitis, unspecified hip
M76.01 Gluteal tendinitis, right hip
M76.02 Gluteal tendinitis, left hip
M76.1 Psoas tendinitis
M76.10 Psoas tendinitis, unspecified hip
M76.11 Psoas tendinitis, right hip
M76.12 Psoas tendinitis, left hip
M76.2 Iliac crest spur
M76.20 Iliac crest spur, unspecified hip
M76.21 Iliac crest spur, right hip
M76.22 Iliac crest spur, left hip
M76.3 Iliotibial band syndrome
M76.30 Iliotibial band syndrome, unspecified leg
M76.31 Iliotibial band syndrome, right leg
M76.32 Iliotibial band syndrome, left leg
M76.4 Tibial collateral bursitis [Pellegrini-Stieda]
M76.40 Tibial collateral bursitis [Pellegrini-Stieda], unspecified leg
M76.41 Tibial collateral bursitis [Pellegrini-Stieda], right leg
M76.42 Tibial collateral bursitis [Pellegrini-Stieda], left leg
M76.5 Patellar tendinitis
M76.50 Patellar tendinitis, unspecified knee
M76.51 Patellar tendinitis, right knee
M76.52 Patellar tendinitis, left knee
M76.6 Achilles tendinitis
M76.60 Achilles tendinitis, unspecified leg
M76.61 Achilles tendinitis, right leg
M76.62 Achilles tendinitis, left leg
M76.7 Peroneal tendinitis
M76.70 Peroneal tendinitis, unspecified leg
M76.71 Peroneal tendinitis, right leg
M76.72 Peroneal tendinitis, left leg
M76.8 Other specified enthesopathies of lower limb, excluding foot
M76.81 Anterior tibial syndrome
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
M76.822 Posterior tibial tendinitis, left leg
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
M76.9 Unspecified enthesopathy, lower limb, excluding foot

This page was last updated on: 10/1/2020