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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  • M25.622—

    Stiffness of left elbow, not elsewhere classified

  • M25.629—

    Stiffness of unspecified elbow, not elsewhere classified

  • M25.63—

    Stiffness of wrist, not elsewhere classified

  • M25.631—

    Stiffness of right wrist, not elsewhere classified

  • M25.632—

    Stiffness of left wrist, not elsewhere classified

  • M25.639—

    Stiffness of unspecified wrist, not elsewhere classified

  • M25.64—

    Stiffness of hand, not elsewhere classified

  • M25.641—

    Stiffness of right hand, not elsewhere classified

  • M25.642—

    Stiffness of left hand, not elsewhere classified

  • M25.649—

    Stiffness of unspecified hand, not elsewhere classified

  • M25.65—

    Stiffness of hip, not elsewhere classified

  • M25.651—

    Stiffness of right hip, not elsewhere classified

  • M25.652—

    Stiffness of left hip, not elsewhere classified

  • M25.659—

    Stiffness of unspecified hip, not elsewhere classified

  • M25.66—

    Stiffness of knee, not elsewhere classified

  • M25.661—

    Stiffness of right knee, not elsewhere classified

  • M25.662—

    Stiffness of left knee, not elsewhere classified

  • M25.669—

    Stiffness of unspecified knee, not elsewhere classified

  • M25.67—

    Stiffness of ankle and foot, not elsewhere classified

  • M25.671—

    Stiffness of right ankle, not elsewhere classified

  • M25.672—

    Stiffness of left ankle, not elsewhere classified

  • M25.673—

    Stiffness of unspecified ankle, not elsewhere classified

  • M25.674—

    Stiffness of right foot, not elsewhere classified

  • M25.675—

    Stiffness of left foot, not elsewhere classified

  • M25.676—

    Stiffness of unspecified foot, not elsewhere classified

  • M25.69—

    Stiffness of other specified joint, not elsewhere classified

  • M25.7—

    Osteophyte

  • M25.70—

    Osteophyte, unspecified joint

  • M25.71—

    Osteophyte, shoulder

  • M25.711—

    Osteophyte, right shoulder

  • M25.712—

    Osteophyte, left shoulder

  • M25.719—

    Osteophyte, unspecified shoulder

  • M25.72—

    Osteophyte, elbow

  • M25.721—

    Osteophyte, right elbow

  • M25.722—

    Osteophyte, left elbow

  • M25.729—

    Osteophyte, unspecified elbow

  • M25.73—

    Osteophyte, wrist

  • M25.731—

    Osteophyte, right wrist

  • M25.732—

    Osteophyte, left wrist

  • M25.739—

    Osteophyte, unspecified wrist

  • M25.74—

    Osteophyte, hand

  • M25.741—

    Osteophyte, right hand

  • M25.742—

    Osteophyte, left hand

  • M25.749—

    Osteophyte, unspecified hand

  • M25.75—

    Osteophyte, hip

  • M25.751—

    Osteophyte, right hip

  • M25.752—

    Osteophyte, left hip

  • M25.759—

    Osteophyte, unspecified hip

  • M25.76—

    Osteophyte, knee

  • M25.761—

    Osteophyte, right knee

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