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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  • M84.60XK—

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

  • M84.60XP—

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

  • M84.60XS—

    Pathological fracture in other disease, unspecified site, sequela

  • M84.61—

    Pathological fracture in other disease, shoulder

  • M84.611—

    Pathological fracture in other disease, right shoulder

  • M84.611A—

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

  • M84.611D—

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

  • M84.611G—

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

  • M84.611K—

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

  • M84.611P—

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

  • M84.611S—

    Pathological fracture in other disease, right shoulder, sequela

  • M84.612—

    Pathological fracture in other disease, left shoulder

  • M84.612A—

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

  • M84.612D—

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

  • M84.612G—

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

  • M84.612K—

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

  • M84.612P—

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

  • M84.612S—

    Pathological fracture in other disease, left shoulder, sequela

  • M84.619—

    Pathological fracture in other disease, unspecified shoulder

  • M84.619A—

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

  • M84.619D—

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

  • M84.619G—

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

  • M84.619K—

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

  • M84.619P—

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

  • M84.619S—

    Pathological fracture in other disease, unspecified shoulder, sequela

  • M84.62—

    Pathological fracture in other disease, humerus

  • M84.621—

    Pathological fracture in other disease, right humerus

  • M84.621A—

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

  • M84.621D—

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

  • M84.621G—

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

  • M84.621K—

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

  • M84.621P—

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

  • M84.621S—

    Pathological fracture in other disease, right humerus, sequela

  • M84.622—

    Pathological fracture in other disease, left humerus

  • M84.622A—

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

  • M84.622D—

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

  • M84.622G—

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

  • M84.622K—

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

  • M84.622P—

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

  • M84.622S—

    Pathological fracture in other disease, left humerus, sequela

  • M84.629—

    Pathological fracture in other disease, unspecified humerus

  • M84.629A—

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

  • M84.629D—

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

  • M84.629G—

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

  • M84.629K—

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

  • M84.629P—

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

  • M84.629S—

    Pathological fracture in other disease, unspecified humerus, sequela

  • M84.63—

    Pathological fracture in other disease, ulna and radius

  • M84.631—

    Pathological fracture in other disease, right ulna

  • M84.631A—

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

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