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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  • M80.0B2K—

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

  • M80.0B2P—

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

  • M80.0B2S—

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

  • M80.0B9—

    Age-related osteoporosis with current pathological fracture, unspecified pelvis

  • M80.0B9A—

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

  • M80.0B9D—

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

  • M80.0B9G—

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

  • M80.0B9K—

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

  • M80.0B9P—

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

  • M80.0B9S—

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

  • M80.80—

    Other osteoporosis with current pathological fracture, unspecified site

  • M80.80XA—

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

  • M80.80XD—

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

  • M80.80XG—

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

  • M80.80XK—

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

  • M80.80XP—

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

  • M80.80XS—

    Other osteoporosis with current pathological fracture, unspecified site, sequela

  • M80.811—

    Other osteoporosis with current pathological fracture, right shoulder

  • M80.811A—

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

  • M80.811D—

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

  • M80.811G—

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

  • M80.811K—

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

  • M80.811P—

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

  • M80.811S—

    Other osteoporosis with current pathological fracture, right shoulder, sequela

  • M80.812—

    Other osteoporosis with current pathological fracture, left shoulder

  • M80.812A—

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

  • M80.812D—

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

  • M80.812G—

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

  • M80.812K—

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

  • M80.812P—

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

  • M80.812S—

    Other osteoporosis with current pathological fracture, left shoulder, sequela

  • M80.819—

    Other osteoporosis with current pathological fracture, unspecified shoulder

  • M80.819A—

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

  • M80.819D—

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

  • M80.819G—

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

  • M80.819K—

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

  • M80.819P—

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

  • M80.819S—

    Other osteoporosis with current pathological fracture, unspecified shoulder, sequela

  • M80.821—

    Other osteoporosis with current pathological fracture, right humerus

  • M80.821A—

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

  • M80.821D—

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

  • M80.821G—

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

  • M80.821K—

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

  • M80.821P—

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

  • M80.821S—

    Other osteoporosis with current pathological fracture, right humerus, sequela

  • M80.822—

    Other osteoporosis with current pathological fracture, left humerus

  • M80.822A—

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

  • M80.822D—

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

  • M80.822G—

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

  • M80.822K—

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

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