ICD-10-CM 2027 diagnosis code
M76.6Achilles tendinitis
M76.6 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About M76.6
M76.6 is the ICD-10-CM diagnosis code for achilles tendinitis. It belongs to category M76 (enthesopathies, lower limb, excluding foot), block M70-M79 (other soft tissue disorders) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
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.
Specific codes under M76.6
Coding notes
- Achilles bursitis
Notes that apply from higher levels
Instructions written at a parent level also apply to M76.6.
Broader instructions also apply from Chapter 13: Diseases of the musculoskeletal system and connective tissue.
Alphabetic index entries
1 entriesTerms in the official ICD-10-CM index that lead to M76.6.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about M76.6
Is M76.6 billable?
- No. M76.6 is a header code. Report one of its more specific subcodes instead.