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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  • M96.811—

    Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating other procedure

  • M96.82—

    Accidental puncture and laceration of a musculoskeletal structure during a procedure

  • M96.820—

    Accidental puncture and laceration of a musculoskeletal structure during a musculoskeletal system procedure

  • M96.821—

    Accidental puncture and laceration of a musculoskeletal structure during other procedure

  • M96.83—

    Postprocedural hemorrhage of a musculoskeletal structure following a procedure

  • M96.830—

    Postprocedural hemorrhage of a musculoskeletal structure following a musculoskeletal system procedure

  • M96.831—

    Postprocedural hemorrhage of a musculoskeletal structure following other procedure

  • M96.84—

    Postprocedural hematoma and seroma of a musculoskeletal structure following a procedure

  • M96.840—

    Postprocedural hematoma of a musculoskeletal structure following a musculoskeletal system procedure

  • M96.841—

    Postprocedural hematoma of a musculoskeletal structure following other procedure

  • M96.842—

    Postprocedural seroma of a musculoskeletal structure following a musculoskeletal system procedure

  • M96.843—

    Postprocedural seroma of a musculoskeletal structure following other procedure

  • M96.89—

    Other intraoperative and postprocedural complications and disorders of the musculoskeletal system

  • M96.A—

    Fracture of ribs, sternum and thorax associated with compression of the chest and cardiopulmonary resuscitation

  • M96.A1—

    Fracture of sternum associated with chest compression and cardiopulmonary resuscitation

  • M96.A2—

    Fracture of one rib associated with chest compression and cardiopulmonary resuscitation

  • M96.A3—

    Multiple fractures of ribs associated with chest compression and cardiopulmonary resuscitation

  • M96.A4—

    Flail chest associated with chest compression and cardiopulmonary resuscitation

  • M96.A9—

    Other fracture associated with chest compression and cardiopulmonary resuscitation

  • M97—

    Periprosthetic fracture around internal prosthetic joint

  • M97.0—

    Periprosthetic fracture around internal prosthetic hip joint

  • M97.01—

    Periprosthetic fracture around internal prosthetic right hip joint

  • M97.01XA—

    Periprosthetic fracture around internal prosthetic right hip joint, initial encounter

  • M97.01XD—

    Periprosthetic fracture around internal prosthetic right hip joint, subsequent encounter

  • M97.01XS—

    Periprosthetic fracture around internal prosthetic right hip joint, sequela

  • M97.02—

    Periprosthetic fracture around internal prosthetic left hip joint

  • M97.02XA—

    Periprosthetic fracture around internal prosthetic left hip joint, initial encounter

  • M97.02XD—

    Periprosthetic fracture around internal prosthetic left hip joint, subsequent encounter

  • M97.02XS—

    Periprosthetic fracture around internal prosthetic left hip joint, sequela

  • M97.1—

    Periprosthetic fracture around internal prosthetic knee joint

  • M97.11—

    Periprosthetic fracture around internal prosthetic right knee joint

  • M97.11XA—

    Periprosthetic fracture around internal prosthetic right knee joint, initial encounter

  • M97.11XD—

    Periprosthetic fracture around internal prosthetic right knee joint, subsequent encounter

  • M97.11XS—

    Periprosthetic fracture around internal prosthetic right knee joint, sequela

  • M97.12—

    Periprosthetic fracture around internal prosthetic left knee joint

  • M97.12XA—

    Periprosthetic fracture around internal prosthetic left knee joint, initial encounter

  • M97.12XD—

    Periprosthetic fracture around internal prosthetic left knee joint, subsequent encounter

  • M97.12XS—

    Periprosthetic fracture around internal prosthetic left knee joint, sequela

  • M97.2—

    Periprosthetic fracture around internal prosthetic ankle joint

  • M97.21—

    Periprosthetic fracture around internal prosthetic right ankle joint

  • M97.21XA—

    Periprosthetic fracture around internal prosthetic right ankle joint, initial encounter

  • M97.21XD—

    Periprosthetic fracture around internal prosthetic right ankle joint, subsequent encounter

  • M97.21XS—

    Periprosthetic fracture around internal prosthetic right ankle joint, sequela

  • M97.22—

    Periprosthetic fracture around internal prosthetic left ankle joint

  • M97.22XA—

    Periprosthetic fracture around internal prosthetic left ankle joint, initial encounter

  • M97.22XD—

    Periprosthetic fracture around internal prosthetic left ankle joint, subsequent encounter

  • M97.22XS—

    Periprosthetic fracture around internal prosthetic left ankle joint, sequela

  • M97.3—

    Periprosthetic fracture around internal prosthetic shoulder joint

  • M97.31—

    Periprosthetic fracture around internal prosthetic right shoulder joint

  • M97.31XA—

    Periprosthetic fracture around internal prosthetic right shoulder joint, initial encounter

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