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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  • M80.822P—

    Other osteoporosis with current pathological fracture, left humerus, subsequent encounter for fracture with malunion

  • M80.822S—

    Other osteoporosis with current pathological fracture, left humerus, sequela

  • M80.829—

    Other osteoporosis with current pathological fracture, unspecified humerus

  • M80.829A—

    Other osteoporosis with current pathological fracture, unspecified humerus, initial encounter for fracture

  • M80.829D—

    Other osteoporosis with current pathological fracture, unspecified humerus, subsequent encounter for fracture with routine healing

  • M80.829G—

    Other osteoporosis with current pathological fracture, unspecified humerus, subsequent encounter for fracture with delayed healing

  • M80.829K—

    Other osteoporosis with current pathological fracture, unspecified humerus, subsequent encounter for fracture with nonunion

  • M80.829P—

    Other osteoporosis with current pathological fracture, unspecified humerus, subsequent encounter for fracture with malunion

  • M80.829S—

    Other osteoporosis with current pathological fracture, unspecified humerus, sequela

  • M80.831—

    Other osteoporosis with current pathological fracture, right forearm

  • M80.831A—

    Other osteoporosis with current pathological fracture, right forearm, initial encounter for fracture

  • M80.831D—

    Other osteoporosis with current pathological fracture, right forearm, subsequent encounter for fracture with routine healing

  • M80.831G—

    Other osteoporosis with current pathological fracture, right forearm, subsequent encounter for fracture with delayed healing

  • M80.831K—

    Other osteoporosis with current pathological fracture, right forearm, subsequent encounter for fracture with nonunion

  • M80.831P—

    Other osteoporosis with current pathological fracture, right forearm, subsequent encounter for fracture with malunion

  • M80.831S—

    Other osteoporosis with current pathological fracture, right forearm, sequela

  • M80.832—

    Other osteoporosis with current pathological fracture, left forearm

  • M80.832A—

    Other osteoporosis with current pathological fracture, left forearm, initial encounter for fracture

  • M80.832D—

    Other osteoporosis with current pathological fracture, left forearm, subsequent encounter for fracture with routine healing

  • M80.832G—

    Other osteoporosis with current pathological fracture, left forearm, subsequent encounter for fracture with delayed healing

  • M80.832K—

    Other osteoporosis with current pathological fracture, left forearm, subsequent encounter for fracture with nonunion

  • M80.832P—

    Other osteoporosis with current pathological fracture, left forearm, subsequent encounter for fracture with malunion

  • M80.832S—

    Other osteoporosis with current pathological fracture, left forearm, sequela

  • M80.839—

    Other osteoporosis with current pathological fracture, unspecified forearm

  • M80.839A—

    Other osteoporosis with current pathological fracture, unspecified forearm, initial encounter for fracture

  • M80.839D—

    Other osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with routine healing

  • M80.839G—

    Other osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with delayed healing

  • M80.839K—

    Other osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with nonunion

  • M80.839P—

    Other osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with malunion

  • M80.839S—

    Other osteoporosis with current pathological fracture, unspecified forearm, sequela

  • M80.841—

    Other osteoporosis with current pathological fracture, right hand

  • M80.841A—

    Other osteoporosis with current pathological fracture, right hand, initial encounter for fracture

  • M80.841D—

    Other osteoporosis with current pathological fracture, right hand, subsequent encounter for fracture with routine healing

  • M80.841G—

    Other osteoporosis with current pathological fracture, right hand, subsequent encounter for fracture with delayed healing

  • M80.841K—

    Other osteoporosis with current pathological fracture, right hand, subsequent encounter for fracture with nonunion

  • M80.841P—

    Other osteoporosis with current pathological fracture, right hand, subsequent encounter for fracture with malunion

  • M80.841S—

    Other osteoporosis with current pathological fracture, right hand, sequela

  • M80.842—

    Other osteoporosis with current pathological fracture, left hand

  • M80.842A—

    Other osteoporosis with current pathological fracture, left hand, initial encounter for fracture

  • M80.842D—

    Other osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with routine healing

  • M80.842G—

    Other osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with delayed healing

  • M80.842K—

    Other osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with nonunion

  • M80.842P—

    Other osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with malunion

  • M80.842S—

    Other osteoporosis with current pathological fracture, left hand, sequela

  • M80.849—

    Other osteoporosis with current pathological fracture, unspecified hand

  • M80.849A—

    Other osteoporosis with current pathological fracture, unspecified hand, initial encounter for fracture

  • M80.849D—

    Other osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with routine healing

  • M80.849G—

    Other osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with delayed healing

  • M80.849K—

    Other osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with nonunion

  • M80.849P—

    Other osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with malunion

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