Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y84.4

    Aspiration of fluid as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y84.5

    Insertion of gastric or duodenal sound as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y84.6

    Urinary catheterization as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y84.7

    Blood-sampling as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y84.8

    Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y84.9

    Medical procedure, unspecified as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Y90

    Evidence of alcohol involvement determined by blood alcohol level

  • Y90.0

    Blood alcohol level of less than 20 mg/100 ml

  • Y90.1

    Blood alcohol level of 20-39 mg/100 ml

  • Y90.2

    Blood alcohol level of 40-59 mg/100 ml

  • Y90.3

    Blood alcohol level of 60-79 mg/100 ml

  • Y90.4

    Blood alcohol level of 80-99 mg/100 ml

  • Y90.5

    Blood alcohol level of 100-119 mg/100 ml

  • Y90.6

    Blood alcohol level of 120-199 mg/100 ml

  • Y90.7

    Blood alcohol level of 200-239 mg/100 ml

  • Y90.8

    Blood alcohol level of 240 mg/100 ml or more

  • Y90.9

    Presence of alcohol in blood, level not specified

  • Y92

    Place of occurrence of the external cause

  • Y92.0

    Non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.00

    Unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.000

    Kitchen of unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.001

    Dining room of unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.002

    Bathroom of unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.003

    Bedroom of unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.007

    Garden or yard of unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.008

    Other place in unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.009

    Unspecified place in unspecified non-institutional (private) residence as the place of occurrence of the external cause

  • Y92.01

    Single-family non-institutional (private) house as the place of occurrence of the external cause

  • Y92.010

    Kitchen of single-family (private) house as the place of occurrence of the external cause

  • Y92.011

    Dining room of single-family (private) house as the place of occurrence of the external cause

  • Y92.012

    Bathroom of single-family (private) house as the place of occurrence of the external cause

  • Y92.013

    Bedroom of single-family (private) house as the place of occurrence of the external cause

  • Y92.014

    Private driveway to single-family (private) house as the place of occurrence of the external cause

  • Y92.015

    Private garage of single-family (private) house as the place of occurrence of the external cause

  • Y92.016

    Swimming-pool in single-family (private) house or garden as the place of occurrence of the external cause

  • Y92.017

    Garden or yard in single-family (private) house as the place of occurrence of the external cause

  • Y92.018

    Other place in single-family (private) house as the place of occurrence of the external cause

  • Y92.019

    Unspecified place in single-family (private) house as the place of occurrence of the external cause

  • Y92.02

    Mobile home as the place of occurrence of the external cause

  • Y92.020

    Kitchen in mobile home as the place of occurrence of the external cause

  • Y92.021

    Dining room in mobile home as the place of occurrence of the external cause

  • Y92.022

    Bathroom in mobile home as the place of occurrence of the external cause

  • Y92.023

    Bedroom in mobile home as the place of occurrence of the external cause

  • Y92.024

    Driveway of mobile home as the place of occurrence of the external cause

  • Y92.025

    Garage of mobile home as the place of occurrence of the external cause

  • Y92.026

    Swimming-pool of mobile home as the place of occurrence of the external cause

  • Y92.027

    Garden or yard of mobile home as the place of occurrence of the external cause

  • Y92.028

    Other place in mobile home as the place of occurrence of the external cause

  • Y92.029

    Unspecified place in mobile home as the place of occurrence of the external cause

  • Y92.03

    Apartment as the place of occurrence of the external cause

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