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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  • M80.042D—

    Age-related osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with routine healing

  • M80.042G—

    Age-related osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with delayed healing

  • M80.042K—

    Age-related osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with nonunion

  • M80.042P—

    Age-related osteoporosis with current pathological fracture, left hand, subsequent encounter for fracture with malunion

  • M80.042S—

    Age-related osteoporosis with current pathological fracture, left hand, sequela

  • M80.049—

    Age-related osteoporosis with current pathological fracture, unspecified hand

  • M80.049A—

    Age-related osteoporosis with current pathological fracture, unspecified hand, initial encounter for fracture

  • M80.049D—

    Age-related osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with routine healing

  • M80.049G—

    Age-related osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with delayed healing

  • M80.049K—

    Age-related osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with nonunion

  • M80.049P—

    Age-related osteoporosis with current pathological fracture, unspecified hand, subsequent encounter for fracture with malunion

  • M80.049S—

    Age-related osteoporosis with current pathological fracture, unspecified hand, sequela

  • M80.051—

    Age-related osteoporosis with current pathological fracture, right femur

  • M80.051A—

    Age-related osteoporosis with current pathological fracture, right femur, initial encounter for fracture

  • M80.051D—

    Age-related osteoporosis with current pathological fracture, right femur, subsequent encounter for fracture with routine healing

  • M80.051G—

    Age-related osteoporosis with current pathological fracture, right femur, subsequent encounter for fracture with delayed healing

  • M80.051K—

    Age-related osteoporosis with current pathological fracture, right femur, subsequent encounter for fracture with nonunion

  • M80.051P—

    Age-related osteoporosis with current pathological fracture, right femur, subsequent encounter for fracture with malunion

  • M80.051S—

    Age-related osteoporosis with current pathological fracture, right femur, sequela

  • M80.052—

    Age-related osteoporosis with current pathological fracture, left femur

  • M80.052A—

    Age-related osteoporosis with current pathological fracture, left femur, initial encounter for fracture

  • M80.052D—

    Age-related osteoporosis with current pathological fracture, left femur, subsequent encounter for fracture with routine healing

  • M80.052G—

    Age-related osteoporosis with current pathological fracture, left femur, subsequent encounter for fracture with delayed healing

  • M80.052K—

    Age-related osteoporosis with current pathological fracture, left femur, subsequent encounter for fracture with nonunion

  • M80.052P—

    Age-related osteoporosis with current pathological fracture, left femur, subsequent encounter for fracture with malunion

  • M80.052S—

    Age-related osteoporosis with current pathological fracture, left femur, sequela

  • M80.059—

    Age-related osteoporosis with current pathological fracture, unspecified femur

  • M80.059A—

    Age-related osteoporosis with current pathological fracture, unspecified femur, initial encounter for fracture

  • M80.059D—

    Age-related osteoporosis with current pathological fracture, unspecified femur, subsequent encounter for fracture with routine healing

  • M80.059G—

    Age-related osteoporosis with current pathological fracture, unspecified femur, subsequent encounter for fracture with delayed healing

  • M80.059K—

    Age-related osteoporosis with current pathological fracture, unspecified femur, subsequent encounter for fracture with nonunion

  • M80.059P—

    Age-related osteoporosis with current pathological fracture, unspecified femur, subsequent encounter for fracture with malunion

  • M80.059S—

    Age-related osteoporosis with current pathological fracture, unspecified femur, sequela

  • M80.061—

    Age-related osteoporosis with current pathological fracture, right lower leg

  • M80.061A—

    Age-related osteoporosis with current pathological fracture, right lower leg, initial encounter for fracture

  • M80.061D—

    Age-related osteoporosis with current pathological fracture, right lower leg, subsequent encounter for fracture with routine healing

  • M80.061G—

    Age-related osteoporosis with current pathological fracture, right lower leg, subsequent encounter for fracture with delayed healing

  • M80.061K—

    Age-related osteoporosis with current pathological fracture, right lower leg, subsequent encounter for fracture with nonunion

  • M80.061P—

    Age-related osteoporosis with current pathological fracture, right lower leg, subsequent encounter for fracture with malunion

  • M80.061S—

    Age-related osteoporosis with current pathological fracture, right lower leg, sequela

  • M80.062—

    Age-related osteoporosis with current pathological fracture, left lower leg

  • M80.062A—

    Age-related osteoporosis with current pathological fracture, left lower leg, initial encounter for fracture

  • M80.062D—

    Age-related osteoporosis with current pathological fracture, left lower leg, subsequent encounter for fracture with routine healing

  • M80.062G—

    Age-related osteoporosis with current pathological fracture, left lower leg, subsequent encounter for fracture with delayed healing

  • M80.062K—

    Age-related osteoporosis with current pathological fracture, left lower leg, subsequent encounter for fracture with nonunion

  • M80.062P—

    Age-related osteoporosis with current pathological fracture, left lower leg, subsequent encounter for fracture with malunion

  • M80.062S—

    Age-related osteoporosis with current pathological fracture, left lower leg, sequela

  • M80.069—

    Age-related osteoporosis with current pathological fracture, unspecified lower leg

  • M80.069A—

    Age-related osteoporosis with current pathological fracture, unspecified lower leg, initial encounter for fracture

  • M80.069D—

    Age-related osteoporosis with current pathological fracture, unspecified lower leg, subsequent encounter for fracture with routine healing

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