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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  • M71.052—

    Abscess of bursa, left hip

  • M71.059—

    Abscess of bursa, unspecified hip

  • M71.06—

    Abscess of bursa, knee

  • M71.061—

    Abscess of bursa, right knee

  • M71.062—

    Abscess of bursa, left knee

  • M71.069—

    Abscess of bursa, unspecified knee

  • M71.07—

    Abscess of bursa, ankle and foot

  • M71.071—

    Abscess of bursa, right ankle and foot

  • M71.072—

    Abscess of bursa, left ankle and foot

  • M71.079—

    Abscess of bursa, unspecified ankle and foot

  • M71.08—

    Abscess of bursa, other site

  • M71.09—

    Abscess of bursa, multiple sites

  • M71.1—

    Other infective bursitis

  • M71.10—

    Other infective bursitis, unspecified site

  • M71.11—

    Other infective bursitis, shoulder

  • M71.111—

    Other infective bursitis, right shoulder

  • M71.112—

    Other infective bursitis, left shoulder

  • M71.119—

    Other infective bursitis, unspecified shoulder

  • M71.12—

    Other infective bursitis, elbow

  • M71.121—

    Other infective bursitis, right elbow

  • M71.122—

    Other infective bursitis, left elbow

  • M71.129—

    Other infective bursitis, unspecified elbow

  • M71.13—

    Other infective bursitis, wrist

  • M71.131—

    Other infective bursitis, right wrist

  • M71.132—

    Other infective bursitis, left wrist

  • M71.139—

    Other infective bursitis, unspecified wrist

  • M71.14—

    Other infective bursitis, hand

  • M71.141—

    Other infective bursitis, right hand

  • M71.142—

    Other infective bursitis, left hand

  • M71.149—

    Other infective bursitis, unspecified hand

  • M71.15—

    Other infective bursitis, hip

  • M71.151—

    Other infective bursitis, right hip

  • M71.152—

    Other infective bursitis, left hip

  • M71.159—

    Other infective bursitis, unspecified hip

  • M71.16—

    Other infective bursitis, knee

  • M71.161—

    Other infective bursitis, right knee

  • M71.162—

    Other infective bursitis, left knee

  • M71.169—

    Other infective bursitis, unspecified knee

  • M71.17—

    Other infective bursitis, ankle and foot

  • M71.171—

    Other infective bursitis, right ankle and foot

  • M71.172—

    Other infective bursitis, left ankle and foot

  • M71.179—

    Other infective bursitis, unspecified ankle and foot

  • M71.18—

    Other infective bursitis, other site

  • M71.19—

    Other infective bursitis, multiple sites

  • M71.2—

    Synovial cyst of popliteal space [Baker]

  • M71.20—

    Synovial cyst of popliteal space [Baker], unspecified knee

  • M71.21—

    Synovial cyst of popliteal space [Baker], right knee

  • M71.22—

    Synovial cyst of popliteal space [Baker], left knee

  • M71.3—

    Other bursal cyst

  • M71.30—

    Other bursal cyst, unspecified site

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