ICD-10-CM › M00-M99 › M05-M14 › M codes › M05

M05

Rheumatoid arthritis with rheumatoid factor

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 11 more specific codes instead:

  • M05.0 Felty's syndrome (also a header)
  • M05.1 Rheumatoid lung disease with rheumatoid arthritis (also a header)
  • M05.2 Rheumatoid vasculitis with rheumatoid arthritis (also a header)
  • M05.3 Rheumatoid heart disease with rheumatoid arthritis (also a header)
  • M05.4 Rheumatoid myopathy with rheumatoid arthritis (also a header)
  • M05.5 Rheumatoid polyneuropathy with rheumatoid arthritis (also a header)
  • M05.6 Rheumatoid arthritis with involvement of other organs and systems (also a header)
  • M05.7 Rheumatoid arthritis with rheumatoid factor without organ or systems involvement (also a header)
  • M05.8 Other rheumatoid arthritis with rheumatoid factor (also a header)
  • M05.9 Rheumatoid arthritis with rheumatoid factor, unspecified
  • M05.A Abnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritis

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 Rheumatoid arthritis with rheumatoid factor

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.

This code

Excludes1 - never coded here

  • rheumatic fever (I00)
  • juvenile rheumatoid arthritis (M08.-)
  • rheumatoid arthritis of spine (M45.-)