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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  • M84.641—

    Pathological fracture in other disease, right hand

  • M84.641A—

    Pathological fracture in other disease, right hand, initial encounter for fracture

  • M84.641D—

    Pathological fracture in other disease, right hand, subsequent encounter for fracture with routine healing

  • M84.641G—

    Pathological fracture in other disease, right hand, subsequent encounter for fracture with delayed healing

  • M84.641K—

    Pathological fracture in other disease, right hand, subsequent encounter for fracture with nonunion

  • M84.641P—

    Pathological fracture in other disease, right hand, subsequent encounter for fracture with malunion

  • M84.641S—

    Pathological fracture in other disease, right hand, sequela

  • M84.642—

    Pathological fracture in other disease, left hand

  • M84.642A—

    Pathological fracture in other disease, left hand, initial encounter for fracture

  • M84.642D—

    Pathological fracture in other disease, left hand, subsequent encounter for fracture with routine healing

  • M84.642G—

    Pathological fracture in other disease, left hand, subsequent encounter for fracture with delayed healing

  • M84.642K—

    Pathological fracture in other disease, left hand, subsequent encounter for fracture with nonunion

  • M84.642P—

    Pathological fracture in other disease, left hand, subsequent encounter for fracture with malunion

  • M84.642S—

    Pathological fracture in other disease, left hand, sequela

  • M84.649—

    Pathological fracture in other disease, unspecified hand

  • M84.649A—

    Pathological fracture in other disease, unspecified hand, initial encounter for fracture

  • M84.649D—

    Pathological fracture in other disease, unspecified hand, subsequent encounter for fracture with routine healing

  • M84.649G—

    Pathological fracture in other disease, unspecified hand, subsequent encounter for fracture with delayed healing

  • M84.649K—

    Pathological fracture in other disease, unspecified hand, subsequent encounter for fracture with nonunion

  • M84.649P—

    Pathological fracture in other disease, unspecified hand, subsequent encounter for fracture with malunion

  • M84.649S—

    Pathological fracture in other disease, unspecified hand, sequela

  • M84.650—

    Pathological fracture in other disease, pelvis

  • M84.650A—

    Pathological fracture in other disease, pelvis, initial encounter for fracture

  • M84.650D—

    Pathological fracture in other disease, pelvis, subsequent encounter for fracture with routine healing

  • M84.650G—

    Pathological fracture in other disease, pelvis, subsequent encounter for fracture with delayed healing

  • M84.650K—

    Pathological fracture in other disease, pelvis, subsequent encounter for fracture with nonunion

  • M84.650P—

    Pathological fracture in other disease, pelvis, subsequent encounter for fracture with malunion

  • M84.650S—

    Pathological fracture in other disease, pelvis, sequela

  • M84.651—

    Pathological fracture in other disease, right femur

  • M84.651A—

    Pathological fracture in other disease, right femur, initial encounter for fracture

  • M84.651D—

    Pathological fracture in other disease, right femur, subsequent encounter for fracture with routine healing

  • M84.651G—

    Pathological fracture in other disease, right femur, subsequent encounter for fracture with delayed healing

  • M84.651K—

    Pathological fracture in other disease, right femur, subsequent encounter for fracture with nonunion

  • M84.651P—

    Pathological fracture in other disease, right femur, subsequent encounter for fracture with malunion

  • M84.651S—

    Pathological fracture in other disease, right femur, sequela

  • M84.652—

    Pathological fracture in other disease, left femur

  • M84.652A—

    Pathological fracture in other disease, left femur, initial encounter for fracture

  • M84.652D—

    Pathological fracture in other disease, left femur, subsequent encounter for fracture with routine healing

  • M84.652G—

    Pathological fracture in other disease, left femur, subsequent encounter for fracture with delayed healing

  • M84.652K—

    Pathological fracture in other disease, left femur, subsequent encounter for fracture with nonunion

  • M84.652P—

    Pathological fracture in other disease, left femur, subsequent encounter for fracture with malunion

  • M84.652S—

    Pathological fracture in other disease, left femur, sequela

  • M84.653—

    Pathological fracture in other disease, unspecified femur

  • M84.653A—

    Pathological fracture in other disease, unspecified femur, initial encounter for fracture

  • M84.653D—

    Pathological fracture in other disease, unspecified femur, subsequent encounter for fracture with routine healing

  • M84.653G—

    Pathological fracture in other disease, unspecified femur, subsequent encounter for fracture with delayed healing

  • M84.653K—

    Pathological fracture in other disease, unspecified femur, subsequent encounter for fracture with nonunion

  • M84.653P—

    Pathological fracture in other disease, unspecified femur, subsequent encounter for fracture with malunion

  • M84.653S—

    Pathological fracture in other disease, unspecified femur, sequela

  • M84.659—

    Pathological fracture in other disease, hip, unspecified

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