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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  • M70.40—

    Prepatellar bursitis, unspecified knee

  • M70.41—

    Prepatellar bursitis, right knee

  • M70.42—

    Prepatellar bursitis, left knee

  • M70.5—

    Other bursitis of knee

  • M70.50—

    Other bursitis of knee, unspecified knee

  • M70.51—

    Other bursitis of knee, right knee

  • M70.52—

    Other bursitis of knee, left knee

  • M70.6—

    Trochanteric bursitis

  • M70.60—

    Trochanteric bursitis, unspecified hip

  • M70.61—

    Trochanteric bursitis, right hip

  • M70.62—

    Trochanteric bursitis, left hip

  • M70.7—

    Other bursitis of hip

  • M70.70—

    Other bursitis of hip, unspecified hip

  • M70.71—

    Other bursitis of hip, right hip

  • M70.72—

    Other bursitis of hip, left hip

  • M70.8—

    Other soft tissue disorders related to use, overuse and pressure

  • M70.80—

    Other soft tissue disorders related to use, overuse and pressure of unspecified site

  • M70.81—

    Other soft tissue disorders related to use, overuse and pressure of shoulder

  • M70.811—

    Other soft tissue disorders related to use, overuse and pressure, right shoulder

  • M70.812—

    Other soft tissue disorders related to use, overuse and pressure, left shoulder

  • M70.819—

    Other soft tissue disorders related to use, overuse and pressure, unspecified shoulder

  • M70.82—

    Other soft tissue disorders related to use, overuse and pressure of upper arm

  • M70.821—

    Other soft tissue disorders related to use, overuse and pressure, right upper arm

  • M70.822—

    Other soft tissue disorders related to use, overuse and pressure, left upper arm

  • M70.829—

    Other soft tissue disorders related to use, overuse and pressure, unspecified upper arms

  • M70.83—

    Other soft tissue disorders related to use, overuse and pressure of forearm

  • M70.831—

    Other soft tissue disorders related to use, overuse and pressure, right forearm

  • M70.832—

    Other soft tissue disorders related to use, overuse and pressure, left forearm

  • M70.839—

    Other soft tissue disorders related to use, overuse and pressure, unspecified forearm

  • M70.84—

    Other soft tissue disorders related to use, overuse and pressure of hand

  • M70.841—

    Other soft tissue disorders related to use, overuse and pressure, right hand

  • M70.842—

    Other soft tissue disorders related to use, overuse and pressure, left hand

  • M70.849—

    Other soft tissue disorders related to use, overuse and pressure, unspecified hand

  • M70.85—

    Other soft tissue disorders related to use, overuse and pressure of thigh

  • M70.851—

    Other soft tissue disorders related to use, overuse and pressure, right thigh

  • M70.852—

    Other soft tissue disorders related to use, overuse and pressure, left thigh

  • M70.859—

    Other soft tissue disorders related to use, overuse and pressure, unspecified thigh

  • M70.86—

    Other soft tissue disorders related to use, overuse and pressure lower leg

  • M70.861—

    Other soft tissue disorders related to use, overuse and pressure, right lower leg

  • M70.862—

    Other soft tissue disorders related to use, overuse and pressure, left lower leg

  • M70.869—

    Other soft tissue disorders related to use, overuse and pressure, unspecified leg

  • M70.87—

    Other soft tissue disorders related to use, overuse and pressure of ankle and foot

  • M70.871—

    Other soft tissue disorders related to use, overuse and pressure, right ankle and foot

  • M70.872—

    Other soft tissue disorders related to use, overuse and pressure, left ankle and foot

  • M70.879—

    Other soft tissue disorders related to use, overuse and pressure, unspecified ankle and foot

  • M70.88—

    Other soft tissue disorders related to use, overuse and pressure other site

  • M70.89—

    Other soft tissue disorders related to use, overuse and pressure multiple sites

  • M70.9—

    Unspecified soft tissue disorder related to use, overuse and pressure

  • M70.90—

    Unspecified soft tissue disorder related to use, overuse and pressure of unspecified site

  • M70.91—

    Unspecified soft tissue disorder related to use, overuse and pressure of shoulder

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