Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y63.8

    Failure in dosage during other surgical and medical care

  • Y63.9

    Failure in dosage during unspecified surgical and medical care

  • Y64.0

    Contaminated medical or biological substance, transfused or infused

  • Y64.1

    Contaminated medical or biological substance, injected or used for immunization

  • Y64.8

    Contaminated medical or biological substance administered by other means

  • Y64.9

    Contaminated medical or biological substance administered by unspecified means

  • Y65.0

    Mismatched blood in transfusion

  • Y65.1

    Wrong fluid used in infusion

  • Y65.2

    Failure in suture or ligature during surgical operation

  • Y65.3

    Endotracheal tube wrongly placed during anesthetic procedure

  • Y65.4

    Failure to introduce or to remove other tube or instrument

  • Y65.51

    Performance of wrong procedure (operation) on correct patient

  • Y65.52

    Performance of procedure (operation) on patient not scheduled for surgery

  • Y65.53

    Performance of correct procedure (operation) on wrong side or body part

  • Y65.8

    Other specified misadventures during surgical and medical care

  • Y66

    Nonadministration of surgical and medical care

  • Y69

    Unspecified misadventure during surgical and medical care

  • Y70.0

    Diagnostic and monitoring anesthesiology devices associated with adverse incidents

  • Y70.1

    Therapeutic (nonsurgical) and rehabilitative anesthesiology devices associated with adverse incidents

  • Y70.2

    Prosthetic and other implants, materials and accessory anesthesiology devices associated with adverse incidents

  • Y70.3

    Surgical instruments, materials and anesthesiology devices (including sutures) associated with adverse incidents

  • Y70.8

    Miscellaneous anesthesiology devices associated with adverse incidents, not elsewhere classified

  • Y71.0

    Diagnostic and monitoring cardiovascular devices associated with adverse incidents

  • Y71.1

    Therapeutic (nonsurgical) and rehabilitative cardiovascular devices associated with adverse incidents

  • Y71.2

    Prosthetic and other implants, materials and accessory cardiovascular devices associated with adverse incidents

  • Y71.3

    Surgical instruments, materials and cardiovascular devices (including sutures) associated with adverse incidents

  • Y71.8

    Miscellaneous cardiovascular devices associated with adverse incidents, not elsewhere classified

  • Y72.0

    Diagnostic and monitoring otorhinolaryngological devices associated with adverse incidents

  • Y72.1

    Therapeutic (nonsurgical) and rehabilitative otorhinolaryngological devices associated with adverse incidents

  • Y72.2

    Prosthetic and other implants, materials and accessory otorhinolaryngological devices associated with adverse incidents

  • Y72.3

    Surgical instruments, materials and otorhinolaryngological devices (including sutures) associated with adverse incidents

  • Y72.8

    Miscellaneous otorhinolaryngological devices associated with adverse incidents, not elsewhere classified

  • Y73.0

    Diagnostic and monitoring gastroenterology and urology devices associated with adverse incidents

  • Y73.1

    Therapeutic (nonsurgical) and rehabilitative gastroenterology and urology devices associated with adverse incidents

  • Y73.2

    Prosthetic and other implants, materials and accessory gastroenterology and urology devices associated with adverse incidents

  • Y73.3

    Surgical instruments, materials and gastroenterology and urology devices (including sutures) associated with adverse incidents

  • Y73.8

    Miscellaneous gastroenterology and urology devices associated with adverse incidents, not elsewhere classified

  • Y74.0

    Diagnostic and monitoring general hospital and personal-use devices associated with adverse incidents

  • Y74.1

    Therapeutic (nonsurgical) and rehabilitative general hospital and personal-use devices associated with adverse incidents

  • Y74.2

    Prosthetic and other implants, materials and accessory general hospital and personal-use devices associated with adverse incidents

  • Y74.3

    Surgical instruments, materials and general hospital and personal-use devices (including sutures) associated with adverse incidents

  • Y74.8

    Miscellaneous general hospital and personal-use devices associated with adverse incidents, not elsewhere classified

  • Y75.0

    Diagnostic and monitoring neurological devices associated with adverse incidents

  • Y75.1

    Therapeutic (nonsurgical) and rehabilitative neurological devices associated with adverse incidents

  • Y75.2

    Prosthetic and other implants, materials and neurological devices associated with adverse incidents

  • Y75.3

    Surgical instruments, materials and neurological devices (including sutures) associated with adverse incidents

  • Y75.8

    Miscellaneous neurological devices associated with adverse incidents, not elsewhere classified

  • Y76.0

    Diagnostic and monitoring obstetric and gynecological devices associated with adverse incidents

  • Y76.1

    Therapeutic (nonsurgical) and rehabilitative obstetric and gynecological devices associated with adverse incidents

  • Y76.2

    Prosthetic and other implants, materials and accessory obstetric and gynecological devices associated with adverse incidents

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