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)
Internal Codes
  • M10.32

    Gout due to renal impairment, elbow

  • M10.321

    Gout due to renal impairment, right elbow

  • M10.322

    Gout due to renal impairment, left elbow

  • M10.329

    Gout due to renal impairment, unspecified elbow

  • M10.33

    Gout due to renal impairment, wrist

  • M10.331

    Gout due to renal impairment, right wrist

  • M10.332

    Gout due to renal impairment, left wrist

  • M10.339

    Gout due to renal impairment, unspecified wrist

  • M10.34

    Gout due to renal impairment, hand

  • M10.341

    Gout due to renal impairment, right hand

  • M10.342

    Gout due to renal impairment, left hand

  • M10.349

    Gout due to renal impairment, unspecified hand

  • M10.35

    Gout due to renal impairment, hip

  • M10.351

    Gout due to renal impairment, right hip

  • M10.352

    Gout due to renal impairment, left hip

  • M10.359

    Gout due to renal impairment, unspecified hip

  • M10.36

    Gout due to renal impairment, knee

  • M10.361

    Gout due to renal impairment, right knee

  • M10.362

    Gout due to renal impairment, left knee

  • M10.369

    Gout due to renal impairment, unspecified knee

  • M10.37

    Gout due to renal impairment, ankle and foot

  • M10.371

    Gout due to renal impairment, right ankle and foot

  • M10.372

    Gout due to renal impairment, left ankle and foot

  • M10.379

    Gout due to renal impairment, unspecified ankle and foot

  • M10.38

    Gout due to renal impairment, vertebrae

  • M10.39

    Gout due to renal impairment, multiple sites

  • M10.4

    Other secondary gout

  • M10.40

    Other secondary gout, unspecified site

  • M10.41

    Other secondary gout, shoulder

  • M10.411

    Other secondary gout, right shoulder

  • M10.412

    Other secondary gout, left shoulder

  • M10.419

    Other secondary gout, unspecified shoulder

  • M10.42

    Other secondary gout, elbow

  • M10.421

    Other secondary gout, right elbow

  • M10.422

    Other secondary gout, left elbow

  • M10.429

    Other secondary gout, unspecified elbow

  • M10.43

    Other secondary gout, wrist

  • M10.431

    Other secondary gout, right wrist

  • M10.432

    Other secondary gout, left wrist

  • M10.439

    Other secondary gout, unspecified wrist

  • M10.44

    Other secondary gout, hand

  • M10.441

    Other secondary gout, right hand

  • M10.442

    Other secondary gout, left hand

  • M10.449

    Other secondary gout, unspecified hand

  • M10.45

    Other secondary gout, hip

  • M10.451

    Other secondary gout, right hip

  • M10.452

    Other secondary gout, left hip

  • M10.459

    Other secondary gout, unspecified hip

  • M10.46

    Other secondary gout, knee

  • M10.461

    Other secondary gout, right knee

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