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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  • M06.20—

    Rheumatoid bursitis, unspecified site

  • M06.21—

    Rheumatoid bursitis, shoulder

  • M06.211—

    Rheumatoid bursitis, right shoulder

  • M06.212—

    Rheumatoid bursitis, left shoulder

  • M06.219—

    Rheumatoid bursitis, unspecified shoulder

  • M06.22—

    Rheumatoid bursitis, elbow

  • M06.221—

    Rheumatoid bursitis, right elbow

  • M06.222—

    Rheumatoid bursitis, left elbow

  • M06.229—

    Rheumatoid bursitis, unspecified elbow

  • M06.23—

    Rheumatoid bursitis, wrist

  • M06.231—

    Rheumatoid bursitis, right wrist

  • M06.232—

    Rheumatoid bursitis, left wrist

  • M06.239—

    Rheumatoid bursitis, unspecified wrist

  • M06.24—

    Rheumatoid bursitis, hand

  • M06.241—

    Rheumatoid bursitis, right hand

  • M06.242—

    Rheumatoid bursitis, left hand

  • M06.249—

    Rheumatoid bursitis, unspecified hand

  • M06.25—

    Rheumatoid bursitis, hip

  • M06.251—

    Rheumatoid bursitis, right hip

  • M06.252—

    Rheumatoid bursitis, left hip

  • M06.259—

    Rheumatoid bursitis, unspecified hip

  • M06.26—

    Rheumatoid bursitis, knee

  • M06.261—

    Rheumatoid bursitis, right knee

  • M06.262—

    Rheumatoid bursitis, left knee

  • M06.269—

    Rheumatoid bursitis, unspecified knee

  • M06.27—

    Rheumatoid bursitis, ankle and foot

  • M06.271—

    Rheumatoid bursitis, right ankle and foot

  • M06.272—

    Rheumatoid bursitis, left ankle and foot

  • M06.279—

    Rheumatoid bursitis, unspecified ankle and foot

  • M06.28—

    Rheumatoid bursitis, vertebrae

  • M06.29—

    Rheumatoid bursitis, multiple sites

  • M06.3—

    Rheumatoid nodule

  • M06.30—

    Rheumatoid nodule, unspecified site

  • M06.31—

    Rheumatoid nodule, shoulder

  • M06.311—

    Rheumatoid nodule, right shoulder

  • M06.312—

    Rheumatoid nodule, left shoulder

  • M06.319—

    Rheumatoid nodule, unspecified shoulder

  • M06.32—

    Rheumatoid nodule, elbow

  • M06.321—

    Rheumatoid nodule, right elbow

  • M06.322—

    Rheumatoid nodule, left elbow

  • M06.329—

    Rheumatoid nodule, unspecified elbow

  • M06.33—

    Rheumatoid nodule, wrist

  • M06.331—

    Rheumatoid nodule, right wrist

  • M06.332—

    Rheumatoid nodule, left wrist

  • M06.339—

    Rheumatoid nodule, unspecified wrist

  • M06.34—

    Rheumatoid nodule, hand

  • M06.341—

    Rheumatoid nodule, right hand

  • M06.342—

    Rheumatoid nodule, left hand

  • M06.349—

    Rheumatoid nodule, unspecified hand

  • M06.35—

    Rheumatoid nodule, hip

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