All ICD10 Codes
Chapter 13

M00–M99: Diseases of the Musculoskeletal System and Connective Tissue

Diseases of the Musculoskeletal System and Connective Tissue diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)
All CodesBillable Only
Internal Codes
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  • M05.221—

    Rheumatoid vasculitis with rheumatoid arthritis of right elbow

  • M05.222—

    Rheumatoid vasculitis with rheumatoid arthritis of left elbow

  • M05.229—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified elbow

  • M05.23—

    Rheumatoid vasculitis with rheumatoid arthritis of wrist

  • M05.231—

    Rheumatoid vasculitis with rheumatoid arthritis of right wrist

  • M05.232—

    Rheumatoid vasculitis with rheumatoid arthritis of left wrist

  • M05.239—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified wrist

  • M05.24—

    Rheumatoid vasculitis with rheumatoid arthritis of hand

  • M05.241—

    Rheumatoid vasculitis with rheumatoid arthritis of right hand

  • M05.242—

    Rheumatoid vasculitis with rheumatoid arthritis of left hand

  • M05.249—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified hand

  • M05.25—

    Rheumatoid vasculitis with rheumatoid arthritis of hip

  • M05.251—

    Rheumatoid vasculitis with rheumatoid arthritis of right hip

  • M05.252—

    Rheumatoid vasculitis with rheumatoid arthritis of left hip

  • M05.259—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified hip

  • M05.26—

    Rheumatoid vasculitis with rheumatoid arthritis of knee

  • M05.261—

    Rheumatoid vasculitis with rheumatoid arthritis of right knee

  • M05.262—

    Rheumatoid vasculitis with rheumatoid arthritis of left knee

  • M05.269—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified knee

  • M05.27—

    Rheumatoid vasculitis with rheumatoid arthritis of ankle and foot

  • M05.271—

    Rheumatoid vasculitis with rheumatoid arthritis of right ankle and foot

  • M05.272—

    Rheumatoid vasculitis with rheumatoid arthritis of left ankle and foot

  • M05.279—

    Rheumatoid vasculitis with rheumatoid arthritis of unspecified ankle and foot

  • M05.29—

    Rheumatoid vasculitis with rheumatoid arthritis of multiple sites

  • M05.3—

    Rheumatoid heart disease with rheumatoid arthritis

  • M05.30—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified site

  • M05.31—

    Rheumatoid heart disease with rheumatoid arthritis of shoulder

  • M05.311—

    Rheumatoid heart disease with rheumatoid arthritis of right shoulder

  • M05.312—

    Rheumatoid heart disease with rheumatoid arthritis of left shoulder

  • M05.319—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified shoulder

  • M05.32—

    Rheumatoid heart disease with rheumatoid arthritis of elbow

  • M05.321—

    Rheumatoid heart disease with rheumatoid arthritis of right elbow

  • M05.322—

    Rheumatoid heart disease with rheumatoid arthritis of left elbow

  • M05.329—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified elbow

  • M05.33—

    Rheumatoid heart disease with rheumatoid arthritis of wrist

  • M05.331—

    Rheumatoid heart disease with rheumatoid arthritis of right wrist

  • M05.332—

    Rheumatoid heart disease with rheumatoid arthritis of left wrist

  • M05.339—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified wrist

  • M05.34—

    Rheumatoid heart disease with rheumatoid arthritis of hand

  • M05.341—

    Rheumatoid heart disease with rheumatoid arthritis of right hand

  • M05.342—

    Rheumatoid heart disease with rheumatoid arthritis of left hand

  • M05.349—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified hand

  • M05.35—

    Rheumatoid heart disease with rheumatoid arthritis of hip

  • M05.351—

    Rheumatoid heart disease with rheumatoid arthritis of right hip

  • M05.352—

    Rheumatoid heart disease with rheumatoid arthritis of left hip

  • M05.359—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified hip

  • M05.36—

    Rheumatoid heart disease with rheumatoid arthritis of knee

  • M05.361—

    Rheumatoid heart disease with rheumatoid arthritis of right knee

  • M05.362—

    Rheumatoid heart disease with rheumatoid arthritis of left knee

  • M05.369—

    Rheumatoid heart disease with rheumatoid arthritis of unspecified knee

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