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
Browse by Section24 Sections
Internal Codes
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  • M00.00|

    Staphylococcal arthritis, unspecified joint

  • M00.011|

    Staphylococcal arthritis, right shoulder

  • M00.012|

    Staphylococcal arthritis, left shoulder

  • M00.019|

    Staphylococcal arthritis, unspecified shoulder

  • M00.021|

    Staphylococcal arthritis, right elbow

  • M00.022|

    Staphylococcal arthritis, left elbow

  • M00.029|

    Staphylococcal arthritis, unspecified elbow

  • M00.031|

    Staphylococcal arthritis, right wrist

  • M00.032|

    Staphylococcal arthritis, left wrist

  • M00.039|

    Staphylococcal arthritis, unspecified wrist

  • M00.041|

    Staphylococcal arthritis, right hand

  • M00.042|

    Staphylococcal arthritis, left hand

  • M00.049|

    Staphylococcal arthritis, unspecified hand

  • M00.051|

    Staphylococcal arthritis, right hip

  • M00.052|

    Staphylococcal arthritis, left hip

  • M00.059|

    Staphylococcal arthritis, unspecified hip

  • M00.061|

    Staphylococcal arthritis, right knee

  • M00.062|

    Staphylococcal arthritis, left knee

  • M00.069|

    Staphylococcal arthritis, unspecified knee

  • M00.071|

    Staphylococcal arthritis, right ankle and foot

  • M00.072|

    Staphylococcal arthritis, left ankle and foot

  • M00.079|

    Staphylococcal arthritis, unspecified ankle and foot

  • M00.08|

    Staphylococcal arthritis, vertebrae

  • M00.09|

    Staphylococcal polyarthritis

  • M00.10|

    Pneumococcal arthritis, unspecified joint

  • M00.111|

    Pneumococcal arthritis, right shoulder

  • M00.112|

    Pneumococcal arthritis, left shoulder

  • M00.119|

    Pneumococcal arthritis, unspecified shoulder

  • M00.121|

    Pneumococcal arthritis, right elbow

  • M00.122|

    Pneumococcal arthritis, left elbow

  • M00.129|

    Pneumococcal arthritis, unspecified elbow

  • M00.131|

    Pneumococcal arthritis, right wrist

  • M00.132|

    Pneumococcal arthritis, left wrist

  • M00.139|

    Pneumococcal arthritis, unspecified wrist

  • M00.141|

    Pneumococcal arthritis, right hand

  • M00.142|

    Pneumococcal arthritis, left hand

  • M00.149|

    Pneumococcal arthritis, unspecified hand

  • M00.151|

    Pneumococcal arthritis, right hip

  • M00.152|

    Pneumococcal arthritis, left hip

  • M00.159|

    Pneumococcal arthritis, unspecified hip

  • M00.161|

    Pneumococcal arthritis, right knee

  • M00.162|

    Pneumococcal arthritis, left knee

  • M00.169|

    Pneumococcal arthritis, unspecified knee

  • M00.171|

    Pneumococcal arthritis, right ankle and foot

  • M00.172|

    Pneumococcal arthritis, left ankle and foot

  • M00.179|

    Pneumococcal arthritis, unspecified ankle and foot

  • M00.18|

    Pneumococcal arthritis, vertebrae

  • M00.19|

    Pneumococcal polyarthritis

  • M00.20|

    Other streptococcal arthritis, unspecified joint

  • M00.211|

    Other streptococcal arthritis, right shoulder

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