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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  • M80.069G—

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

  • M80.069K—

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

  • M80.069P—

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

  • M80.069S—

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

  • M80.071—

    Age-related osteoporosis with current pathological fracture, right ankle and foot

  • M80.071A—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, initial encounter for fracture

  • M80.071D—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, subsequent encounter for fracture with routine healing

  • M80.071G—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, subsequent encounter for fracture with delayed healing

  • M80.071K—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, subsequent encounter for fracture with nonunion

  • M80.071P—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, subsequent encounter for fracture with malunion

  • M80.071S—

    Age-related osteoporosis with current pathological fracture, right ankle and foot, sequela

  • M80.072—

    Age-related osteoporosis with current pathological fracture, left ankle and foot

  • M80.072A—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, initial encounter for fracture

  • M80.072D—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, subsequent encounter for fracture with routine healing

  • M80.072G—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, subsequent encounter for fracture with delayed healing

  • M80.072K—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, subsequent encounter for fracture with nonunion

  • M80.072P—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, subsequent encounter for fracture with malunion

  • M80.072S—

    Age-related osteoporosis with current pathological fracture, left ankle and foot, sequela

  • M80.079—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot

  • M80.079A—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, initial encounter for fracture

  • M80.079D—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, subsequent encounter for fracture with routine healing

  • M80.079G—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, subsequent encounter for fracture with delayed healing

  • M80.079K—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, subsequent encounter for fracture with nonunion

  • M80.079P—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, subsequent encounter for fracture with malunion

  • M80.079S—

    Age-related osteoporosis with current pathological fracture, unspecified ankle and foot, sequela

  • M80.08—

    Age-related osteoporosis with current pathological fracture, vertebra(e)

  • M80.08XA—

    Age-related osteoporosis with current pathological fracture, vertebra(e), initial encounter for fracture

  • M80.08XD—

    Age-related osteoporosis with current pathological fracture, vertebra(e), subsequent encounter for fracture with routine healing

  • M80.08XG—

    Age-related osteoporosis with current pathological fracture, vertebra(e), subsequent encounter for fracture with delayed healing

  • M80.08XK—

    Age-related osteoporosis with current pathological fracture, vertebra(e), subsequent encounter for fracture with nonunion

  • M80.08XP—

    Age-related osteoporosis with current pathological fracture, vertebra(e), subsequent encounter for fracture with malunion

  • M80.08XS—

    Age-related osteoporosis with current pathological fracture, vertebra(e), sequela

  • M80.0A—

    Age-related osteoporosis with current pathological fracture, other site

  • M80.0AXA—

    Age-related osteoporosis with current pathological fracture, other site, initial encounter for fracture

  • M80.0AXD—

    Age-related osteoporosis with current pathological fracture, other site, subsequent encounter for fracture with routine healing

  • M80.0AXG—

    Age-related osteoporosis with current pathological fracture, other site, subsequent encounter for fracture with delayed healing

  • M80.0AXK—

    Age-related osteoporosis with current pathological fracture, other site, subsequent encounter for fracture with nonunion

  • M80.0AXP—

    Age-related osteoporosis with current pathological fracture, other site, subsequent encounter for fracture with malunion

  • M80.0AXS—

    Age-related osteoporosis with current pathological fracture, other site, sequela

  • M80.0B1—

    Age-related osteoporosis with current pathological fracture, right pelvis

  • M80.0B1A—

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

  • M80.0B1D—

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

  • M80.0B1G—

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

  • M80.0B1K—

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

  • M80.0B1P—

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

  • M80.0B1S—

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

  • M80.0B2—

    Age-related osteoporosis with current pathological fracture, left pelvis

  • M80.0B2A—

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

  • M80.0B2D—

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

  • M80.0B2G—

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

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