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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  • M84.571K—

    Pathological fracture in neoplastic disease, right ankle, subsequent encounter for fracture with nonunion

  • M84.571P—

    Pathological fracture in neoplastic disease, right ankle, subsequent encounter for fracture with malunion

  • M84.571S—

    Pathological fracture in neoplastic disease, right ankle, sequela

  • M84.572—

    Pathological fracture in neoplastic disease, left ankle

  • M84.572A—

    Pathological fracture in neoplastic disease, left ankle, initial encounter for fracture

  • M84.572D—

    Pathological fracture in neoplastic disease, left ankle, subsequent encounter for fracture with routine healing

  • M84.572G—

    Pathological fracture in neoplastic disease, left ankle, subsequent encounter for fracture with delayed healing

  • M84.572K—

    Pathological fracture in neoplastic disease, left ankle, subsequent encounter for fracture with nonunion

  • M84.572P—

    Pathological fracture in neoplastic disease, left ankle, subsequent encounter for fracture with malunion

  • M84.572S—

    Pathological fracture in neoplastic disease, left ankle, sequela

  • M84.573—

    Pathological fracture in neoplastic disease, unspecified ankle

  • M84.573A—

    Pathological fracture in neoplastic disease, unspecified ankle, initial encounter for fracture

  • M84.573D—

    Pathological fracture in neoplastic disease, unspecified ankle, subsequent encounter for fracture with routine healing

  • M84.573G—

    Pathological fracture in neoplastic disease, unspecified ankle, subsequent encounter for fracture with delayed healing

  • M84.573K—

    Pathological fracture in neoplastic disease, unspecified ankle, subsequent encounter for fracture with nonunion

  • M84.573P—

    Pathological fracture in neoplastic disease, unspecified ankle, subsequent encounter for fracture with malunion

  • M84.573S—

    Pathological fracture in neoplastic disease, unspecified ankle, sequela

  • M84.574—

    Pathological fracture in neoplastic disease, right foot

  • M84.574A—

    Pathological fracture in neoplastic disease, right foot, initial encounter for fracture

  • M84.574D—

    Pathological fracture in neoplastic disease, right foot, subsequent encounter for fracture with routine healing

  • M84.574G—

    Pathological fracture in neoplastic disease, right foot, subsequent encounter for fracture with delayed healing

  • M84.574K—

    Pathological fracture in neoplastic disease, right foot, subsequent encounter for fracture with nonunion

  • M84.574P—

    Pathological fracture in neoplastic disease, right foot, subsequent encounter for fracture with malunion

  • M84.574S—

    Pathological fracture in neoplastic disease, right foot, sequela

  • M84.575—

    Pathological fracture in neoplastic disease, left foot

  • M84.575A—

    Pathological fracture in neoplastic disease, left foot, initial encounter for fracture

  • M84.575D—

    Pathological fracture in neoplastic disease, left foot, subsequent encounter for fracture with routine healing

  • M84.575G—

    Pathological fracture in neoplastic disease, left foot, subsequent encounter for fracture with delayed healing

  • M84.575K—

    Pathological fracture in neoplastic disease, left foot, subsequent encounter for fracture with nonunion

  • M84.575P—

    Pathological fracture in neoplastic disease, left foot, subsequent encounter for fracture with malunion

  • M84.575S—

    Pathological fracture in neoplastic disease, left foot, sequela

  • M84.576—

    Pathological fracture in neoplastic disease, unspecified foot

  • M84.576A—

    Pathological fracture in neoplastic disease, unspecified foot, initial encounter for fracture

  • M84.576D—

    Pathological fracture in neoplastic disease, unspecified foot, subsequent encounter for fracture with routine healing

  • M84.576G—

    Pathological fracture in neoplastic disease, unspecified foot, subsequent encounter for fracture with delayed healing

  • M84.576K—

    Pathological fracture in neoplastic disease, unspecified foot, subsequent encounter for fracture with nonunion

  • M84.576P—

    Pathological fracture in neoplastic disease, unspecified foot, subsequent encounter for fracture with malunion

  • M84.576S—

    Pathological fracture in neoplastic disease, unspecified foot, sequela

  • M84.58—

    Pathological fracture in neoplastic disease, other specified site

  • M84.58XA—

    Pathological fracture in neoplastic disease, other specified site, initial encounter for fracture

  • M84.58XD—

    Pathological fracture in neoplastic disease, other specified site, subsequent encounter for fracture with routine healing

  • M84.58XG—

    Pathological fracture in neoplastic disease, other specified site, subsequent encounter for fracture with delayed healing

  • M84.58XK—

    Pathological fracture in neoplastic disease, other specified site, subsequent encounter for fracture with nonunion

  • M84.58XP—

    Pathological fracture in neoplastic disease, other specified site, subsequent encounter for fracture with malunion

  • M84.58XS—

    Pathological fracture in neoplastic disease, other specified site, sequela

  • M84.6—

    Pathological fracture in other disease

  • M84.60—

    Pathological fracture in other disease, unspecified site

  • M84.60XA—

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

  • M84.60XD—

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

  • M84.60XG—

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

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