M77
Header — not billableOther enthesopathies
The ICD-10 code for other enthesopathies is M77.
M77 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 8 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- bursitis NOS (M71.9-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M77
- M77.0Medial epicondylitisnon-billable header
- M77.1Lateral epicondylitisnon-billable header
- M77.2Periarthritis of wristnon-billable header
- M77.3Calcaneal spurnon-billable header
- M77.4Metatarsalgianon-billable header
- M77.5Other enthesopathy of foot and anklenon-billable header
- M77.8Other enthesopathies, not elsewhere classified
- M77.9Enthesopathy, unspecified
Related codes in this category
- M70Soft tissue disorders related to use, overuse and pressurenon-billable header
- M71Other bursopathiesnon-billable header
- M72Fibroblastic disordersnon-billable header
- M75Shoulder lesionsnon-billable header
- M76Enthesopathies, lower limb, excluding footnon-billable header
- M79Other and unspecified soft tissue disorders, not elsewhere classifiednon-billable header
- M77Other enthesopathiesnon-billable header