ICD-10-CM › M00-M99 › M60-M63 › M61.17 Myositis ossificans progressiva,... › M61.173

M61.173

Myositis ossificans progressiva, unspecified 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 Myositis ossificans progressiva, unspecified 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 the M60-M63 section Disorders of muscles (M60-M63)

Excludes1 - never coded here

  • dermatopolymyositis (M33.-)
  • myopathy in amyloidosis (E85.-)
  • myopathy in polyarteritis nodosa (M30.0)
  • myopathy in rheumatoid arthritis (M05.32)
  • myopathy in scleroderma (M34.-)
  • myopathy in Sjögren's syndrome (M35.03)
  • myopathy in systemic lupus erythematosus (M32.-)

Excludes2 - not included here

  • muscular dystrophies and myopathies (G71-G72)

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
M61.171 Myositis ossificans progressiva, right ankle Valid
M61.172 Myositis ossificans progressiva, left ankle Valid
M61.174 Myositis ossificans progressiva, right foot Valid
M61.175 Myositis ossificans progressiva, left foot Valid
M61.176 Myositis ossificans progressiva, unspecified foot Valid
M61.177 Myositis ossificans progressiva, right toe(s) Valid
M61.178 Myositis ossificans progressiva, left toe(s) Valid
M61.179 Myositis ossificans progressiva, unspecified toe(s) Valid