ICD-10-CM diagnosis code
M76.829 Posterior tibial tendinitis, unspecified leg
- Billable
- Yes, a complete code (FY2026)
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Other codes in M76
34 complete codes in this category.
- M76.71Peroneal tendinitis, right leg
- M76.72Peroneal tendinitis, left leg
- M76.811Anterior tibial syndrome, right leg
- M76.812Anterior tibial syndrome, left leg
- M76.819Anterior tibial syndrome, unspecified leg
- M76.821Posterior tibial tendinitis, right leg
- M76.822Posterior tibial tendinitis, left leg
- M76.829Posterior tibial tendinitis, unspecified leg
- M76.891Other specified enthesopathies of right lower limb, excluding foot
- M76.892Other specified enthesopathies of left lower limb, excluding foot
- M76.899Other specified enthesopathies of unspecified lower limb, excluding foot
- M76.9Unspecified enthesopathy, lower limb, excluding foot
Documentation tips
- Make sure the note supports every element of the title, “Posterior tibial tendinitis, unspecified leg”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to M76.
The international WHO ICD-10 also has M76, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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