ICD-10-CM › M00-M99 › M60-M63 › M60 Myositis › M60.1

M60.1

Interstitial myositis

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 10 more specific codes instead:

  • M60.10 Interstitial myositis of unspecified site
  • M60.11 Interstitial myositis, shoulder (also a header)
  • M60.12 Interstitial myositis, upper arm (also a header)
  • M60.13 Interstitial myositis, forearm (also a header)
  • M60.14 Interstitial myositis, hand (also a header)
  • M60.15 Interstitial myositis, thigh (also a header)
  • M60.16 Interstitial myositis, lower leg (also a header)
  • M60.17 Interstitial myositis, ankle and foot (also a header)
  • M60.18 Interstitial myositis, other site
  • M60.19 Interstitial myositis, multiple sites

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 Interstitial myositis

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 M60 Myositis

Excludes2 - not included here

  • inclusion body myositis [IBM] (G72.41)

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)

Codes in the same group

CodeDescriptionStatus
M60.0 Infective myositis Not billable
M60.2 Foreign body granuloma of soft tissue, not elsewhere classified Not billable
M60.8 Other myositis Not billable
M60.9 Myositis, unspecified Valid