ICD-10-CM › M00-M99 › M70-M79 › M77.5 Other enthesopathy of foot and ankle › M77.51

M77.51

Other enthesopathy of right foot and ankle

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Other enthesopathy of right foot
  2. FY2020 Description revised Other enthesopathy of right foot Other enthesopathy of right foot and ankle

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from M77 Other enthesopathies

Excludes1 - never coded here

  • bursitis NOS (M71.9-)

Excludes2 - not included here

  • bursitis due to use, overuse and pressure (M70.-)
  • osteophyte (M25.7)
  • spinal enthesopathy (M46.0-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
M77.50 Other enthesopathy of unspecified foot and ankle Valid
M77.52 Other enthesopathy of left foot and ankle Valid