M05

Rheumatoid arthritis with rheumatoid factor

Non-billable header

M05 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More specific codes M05

  • M05.0Felty's syndromeHeader
  • M05.1Rheumatoid lung disease with rheumatoid arthritisHeader
  • M05.2Rheumatoid vasculitis with rheumatoid arthritisHeader
  • M05.3Rheumatoid heart disease with rheumatoid arthritisHeader
  • M05.4Rheumatoid myopathy with rheumatoid arthritisHeader
  • M05.5Rheumatoid polyneuropathy with rheumatoid arthritisHeader
  • M05.6Rheumatoid arthritis with involvement of other organs and systemsHeader
  • M05.7Rheumatoid arthritis with rheumatoid factor without organ or systems involvementHeader
  • M05.8Other rheumatoid arthritis with rheumatoid factorHeader
  • M05.9Rheumatoid arthritis with rheumatoid factor, unspecifiedBillable
  • M05.AAbnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritisBillable

Related codes

  • M06Other rheumatoid arthritisHeader
  • M07Enteropathic arthropathiesHeader
  • M08Juvenile arthritisHeader
  • M1AChronic goutNeeds 7th char
  • M10GoutHeader
  • M11Other crystal arthropathiesHeader
  • M12Other and unspecified arthropathyHeader
  • M13Other arthritisHeader
  • M14Arthropathies in other diseases classified elsewhereHeader

Browse