Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • X15.1XXD

    Contact with hot toaster, subsequent encounter

  • X15.1XXS

    Contact with hot toaster, sequela

  • X15.2

    Contact with hotplate

  • X15.2XXA

    Contact with hotplate, initial encounter

  • X15.2XXD

    Contact with hotplate, subsequent encounter

  • X15.2XXS

    Contact with hotplate, sequela

  • X15.3

    Contact with hot saucepan or skillet

  • X15.3XXA

    Contact with hot saucepan or skillet, initial encounter

  • X15.3XXD

    Contact with hot saucepan or skillet, subsequent encounter

  • X15.3XXS

    Contact with hot saucepan or skillet, sequela

  • X15.8

    Contact with other hot household appliances

  • X15.8XXA

    Contact with other hot household appliances, initial encounter

  • X15.8XXD

    Contact with other hot household appliances, subsequent encounter

  • X15.8XXS

    Contact with other hot household appliances, sequela

  • X16

    Contact with hot heating appliances, radiators and pipes

  • X16.XXXA

    Contact with hot heating appliances, radiators and pipes, initial encounter

  • X16.XXXD

    Contact with hot heating appliances, radiators and pipes, subsequent encounter

  • X16.XXXS

    Contact with hot heating appliances, radiators and pipes, sequela

  • X17

    Contact with hot engines, machinery and tools

  • X17.XXXA

    Contact with hot engines, machinery and tools, initial encounter

  • X17.XXXD

    Contact with hot engines, machinery and tools, subsequent encounter

  • X17.XXXS

    Contact with hot engines, machinery and tools, sequela

  • X18

    Contact with other hot metals

  • X18.XXXA

    Contact with other hot metals, initial encounter

  • X18.XXXD

    Contact with other hot metals, subsequent encounter

  • X18.XXXS

    Contact with other hot metals, sequela

  • X19

    Contact with other heat and hot substances

  • X19.XXXA

    Contact with other heat and hot substances, initial encounter

  • X19.XXXD

    Contact with other heat and hot substances, subsequent encounter

  • X19.XXXS

    Contact with other heat and hot substances, sequela

  • X30

    Exposure to excessive natural heat

  • X30.XXXA

    Exposure to excessive natural heat, initial encounter

  • X30.XXXD

    Exposure to excessive natural heat, subsequent encounter

  • X30.XXXS

    Exposure to excessive natural heat, sequela

  • X31

    Exposure to excessive natural cold

  • X31.XXXA

    Exposure to excessive natural cold, initial encounter

  • X31.XXXD

    Exposure to excessive natural cold, subsequent encounter

  • X31.XXXS

    Exposure to excessive natural cold, sequela

  • X32

    Exposure to sunlight

  • X32.XXXA

    Exposure to sunlight, initial encounter

  • X32.XXXD

    Exposure to sunlight, subsequent encounter

  • X32.XXXS

    Exposure to sunlight, sequela

  • X34

    Earthquake

  • X34.XXXA

    Earthquake, initial encounter

  • X34.XXXD

    Earthquake, subsequent encounter

  • X34.XXXS

    Earthquake, sequela

  • X35

    Volcanic eruption

  • X35.XXXA

    Volcanic eruption, initial encounter

  • X35.XXXD

    Volcanic eruption, subsequent encounter

  • X35.XXXS

    Volcanic eruption, sequela

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