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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  • M84.672D—

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

  • M84.672G—

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

  • M84.672K—

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

  • M84.672P—

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

  • M84.672S—

    Pathological fracture in other disease, left ankle, sequela

  • M84.673—

    Pathological fracture in other disease, unspecified ankle

  • M84.673A—

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

  • M84.673D—

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

  • M84.673G—

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

  • M84.673K—

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

  • M84.673P—

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

  • M84.673S—

    Pathological fracture in other disease, unspecified ankle, sequela

  • M84.674—

    Pathological fracture in other disease, right foot

  • M84.674A—

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

  • M84.674D—

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

  • M84.674G—

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

  • M84.674K—

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

  • M84.674P—

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

  • M84.674S—

    Pathological fracture in other disease, right foot, sequela

  • M84.675—

    Pathological fracture in other disease, left foot

  • M84.675A—

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

  • M84.675D—

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

  • M84.675G—

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

  • M84.675K—

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

  • M84.675P—

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

  • M84.675S—

    Pathological fracture in other disease, left foot, sequela

  • M84.676—

    Pathological fracture in other disease, unspecified foot

  • M84.676A—

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

  • M84.676D—

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

  • M84.676G—

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

  • M84.676K—

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

  • M84.676P—

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

  • M84.676S—

    Pathological fracture in other disease, unspecified foot, sequela

  • M84.68—

    Pathological fracture in other disease, other site

  • M84.68XA—

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

  • M84.68XD—

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

  • M84.68XG—

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

  • M84.68XK—

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

  • M84.68XP—

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

  • M84.68XS—

    Pathological fracture in other disease, other site, sequela

  • M84.750—

    Atypical femoral fracture, unspecified

  • M84.750A—

    Atypical femoral fracture, unspecified, initial encounter for fracture

  • M84.750D—

    Atypical femoral fracture, unspecified, subsequent encounter for fracture with routine healing

  • M84.750G—

    Atypical femoral fracture, unspecified, subsequent encounter for fracture with delayed healing

  • M84.750K—

    Atypical femoral fracture, unspecified, subsequent encounter for fracture with nonunion

  • M84.750P—

    Atypical femoral fracture, unspecified, subsequent encounter for fracture with malunion

  • M84.750S—

    Atypical femoral fracture, unspecified, sequela

  • M84.751—

    Incomplete atypical femoral fracture, right leg

  • M84.751A—

    Incomplete atypical femoral fracture, right leg, initial encounter for fracture

  • M84.751D—

    Incomplete atypical femoral fracture, right leg, subsequent encounter for fracture with routine healing

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