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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  • M14.652—

    Charcôt's joint, left hip

  • M14.659—

    Charcôt's joint, unspecified hip

  • M14.66—

    Charcôt's joint, knee

  • M14.661—

    Charcôt's joint, right knee

  • M14.662—

    Charcôt's joint, left knee

  • M14.669—

    Charcôt's joint, unspecified knee

  • M14.67—

    Charcôt's joint, ankle and foot

  • M14.671—

    Charcôt's joint, right ankle and foot

  • M14.672—

    Charcôt's joint, left ankle and foot

  • M14.679—

    Charcôt's joint, unspecified ankle and foot

  • M14.68—

    Charcôt's joint, vertebrae

  • M14.69—

    Charcôt's joint, multiple sites

  • M14.8—

    Arthropathies in other specified diseases classified elsewhere

  • M14.80—

    Arthropathies in other specified diseases classified elsewhere, unspecified site

  • M14.81—

    Arthropathies in other specified diseases classified elsewhere, shoulder

  • M14.811—

    Arthropathies in other specified diseases classified elsewhere, right shoulder

  • M14.812—

    Arthropathies in other specified diseases classified elsewhere, left shoulder

  • M14.819—

    Arthropathies in other specified diseases classified elsewhere, unspecified shoulder

  • M14.82—

    Arthropathies in other specified diseases classified elsewhere, elbow

  • M14.821—

    Arthropathies in other specified diseases classified elsewhere, right elbow

  • M14.822—

    Arthropathies in other specified diseases classified elsewhere, left elbow

  • M14.829—

    Arthropathies in other specified diseases classified elsewhere, unspecified elbow

  • M14.83—

    Arthropathies in other specified diseases classified elsewhere, wrist

  • M14.831—

    Arthropathies in other specified diseases classified elsewhere, right wrist

  • M14.832—

    Arthropathies in other specified diseases classified elsewhere, left wrist

  • M14.839—

    Arthropathies in other specified diseases classified elsewhere, unspecified wrist

  • M14.84—

    Arthropathies in other specified diseases classified elsewhere, hand

  • M14.841—

    Arthropathies in other specified diseases classified elsewhere, right hand

  • M14.842—

    Arthropathies in other specified diseases classified elsewhere, left hand

  • M14.849—

    Arthropathies in other specified diseases classified elsewhere, unspecified hand

  • M14.85—

    Arthropathies in other specified diseases classified elsewhere, hip

  • M14.851—

    Arthropathies in other specified diseases classified elsewhere, right hip

  • M14.852—

    Arthropathies in other specified diseases classified elsewhere, left hip

  • M14.859—

    Arthropathies in other specified diseases classified elsewhere, unspecified hip

  • M14.86—

    Arthropathies in other specified diseases classified elsewhere, knee

  • M14.861—

    Arthropathies in other specified diseases classified elsewhere, right knee

  • M14.862—

    Arthropathies in other specified diseases classified elsewhere, left knee

  • M14.869—

    Arthropathies in other specified diseases classified elsewhere, unspecified knee

  • M14.87—

    Arthropathies in other specified diseases classified elsewhere, ankle and foot

  • M14.871—

    Arthropathies in other specified diseases classified elsewhere, right ankle and foot

  • M14.872—

    Arthropathies in other specified diseases classified elsewhere, left ankle and foot

  • M14.879—

    Arthropathies in other specified diseases classified elsewhere, unspecified ankle and foot

  • M14.88—

    Arthropathies in other specified diseases classified elsewhere, vertebrae

  • M14.89—

    Arthropathies in other specified diseases classified elsewhere, multiple sites

  • M15—

    Polyosteoarthritis

  • M15.0—

    Primary generalized (osteo)arthritis

  • M15.1—

    Heberden's nodes (with arthropathy)

  • M15.2—

    Bouchard's nodes (with arthropathy)

  • M15.3—

    Secondary multiple arthritis

  • M15.4—

    Erosive (osteo)arthritis

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