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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  • M08.969—

    Juvenile arthritis, unspecified, unspecified knee

  • M08.971—

    Juvenile arthritis, unspecified, right ankle and foot

  • M08.972—

    Juvenile arthritis, unspecified, left ankle and foot

  • M08.979—

    Juvenile arthritis, unspecified, unspecified ankle and foot

  • M08.98—

    Juvenile arthritis, unspecified, vertebrae

  • M08.99—

    Juvenile arthritis, unspecified, multiple sites

  • M08.9A—

    Juvenile arthritis, unspecified, other specified site

  • M10.00—

    Idiopathic gout, unspecified site

  • M10.011—

    Idiopathic gout, right shoulder

  • M10.012—

    Idiopathic gout, left shoulder

  • M10.019—

    Idiopathic gout, unspecified shoulder

  • M10.021—

    Idiopathic gout, right elbow

  • M10.022—

    Idiopathic gout, left elbow

  • M10.029—

    Idiopathic gout, unspecified elbow

  • M10.031—

    Idiopathic gout, right wrist

  • M10.032—

    Idiopathic gout, left wrist

  • M10.039—

    Idiopathic gout, unspecified wrist

  • M10.041—

    Idiopathic gout, right hand

  • M10.042—

    Idiopathic gout, left hand

  • M10.049—

    Idiopathic gout, unspecified hand

  • M10.051—

    Idiopathic gout, right hip

  • M10.052—

    Idiopathic gout, left hip

  • M10.059—

    Idiopathic gout, unspecified hip

  • M10.061—

    Idiopathic gout, right knee

  • M10.062—

    Idiopathic gout, left knee

  • M10.069—

    Idiopathic gout, unspecified knee

  • M10.071—

    Idiopathic gout, right ankle and foot

  • M10.072—

    Idiopathic gout, left ankle and foot

  • M10.079—

    Idiopathic gout, unspecified ankle and foot

  • M10.08—

    Idiopathic gout, vertebrae

  • M10.09—

    Idiopathic gout, multiple sites

  • M10.10—

    Lead-induced gout, unspecified site

  • M10.111—

    Lead-induced gout, right shoulder

  • M10.112—

    Lead-induced gout, left shoulder

  • M10.119—

    Lead-induced gout, unspecified shoulder

  • M10.121—

    Lead-induced gout, right elbow

  • M10.122—

    Lead-induced gout, left elbow

  • M10.129—

    Lead-induced gout, unspecified elbow

  • M10.131—

    Lead-induced gout, right wrist

  • M10.132—

    Lead-induced gout, left wrist

  • M10.139—

    Lead-induced gout, unspecified wrist

  • M10.141—

    Lead-induced gout, right hand

  • M10.142—

    Lead-induced gout, left hand

  • M10.149—

    Lead-induced gout, unspecified hand

  • M10.151—

    Lead-induced gout, right hip

  • M10.152—

    Lead-induced gout, left hip

  • M10.159—

    Lead-induced gout, unspecified hip

  • M10.161—

    Lead-induced gout, right knee

  • M10.162—

    Lead-induced gout, left knee

  • M10.169—

    Lead-induced gout, unspecified knee

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