ICD-10-CM › M00-M99 › M60-M63 › M61.1 Myositis ossificans progressiva › M61.13

M61.13

Myositis ossificans progressiva, forearm

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • M61.131 Myositis ossificans progressiva, right forearm
  • M61.132 Myositis ossificans progressiva, left forearm
  • M61.139 Myositis ossificans progressiva, unspecified forearm

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Myositis ossificans progressiva, forearm

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
M61.10 Myositis ossificans progressiva, unspecified site Valid
M61.11 Myositis ossificans progressiva, shoulder Not billable
M61.12 Myositis ossificans progressiva, upper arm Not billable
M61.14 Myositis ossificans progressiva, hand and finger(s) Not billable
M61.15 Myositis ossificans progressiva, thigh Not billable
M61.16 Myositis ossificans progressiva, lower leg Not billable
M61.17 Myositis ossificans progressiva, ankle, foot and toe(s) Not billable
M61.18 Myositis ossificans progressiva, other site Valid
M61.19 Myositis ossificans progressiva, multiple sites Valid