Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • X01.1

    Exposure to smoke in uncontrolled fire, not in building or structure

  • X01.1XXA

    Exposure to smoke in uncontrolled fire, not in building or structure, initial encounter

  • X01.1XXD

    Exposure to smoke in uncontrolled fire, not in building or structure, subsequent encounter

  • X01.1XXS

    Exposure to smoke in uncontrolled fire, not in building or structure, sequela

  • X01.3

    Fall due to uncontrolled fire, not in building or structure

  • X01.3XXA

    Fall due to uncontrolled fire, not in building or structure, initial encounter

  • X01.3XXD

    Fall due to uncontrolled fire, not in building or structure, subsequent encounter

  • X01.3XXS

    Fall due to uncontrolled fire, not in building or structure, sequela

  • X01.4

    Hit by object due to uncontrolled fire, not in building or structure

  • X01.4XXA

    Hit by object due to uncontrolled fire, not in building or structure, initial encounter

  • X01.4XXD

    Hit by object due to uncontrolled fire, not in building or structure, subsequent encounter

  • X01.4XXS

    Hit by object due to uncontrolled fire, not in building or structure, sequela

  • X01.8

    Other exposure to uncontrolled fire, not in building or structure

  • X01.8XXA

    Other exposure to uncontrolled fire, not in building or structure, initial encounter

  • X01.8XXD

    Other exposure to uncontrolled fire, not in building or structure, subsequent encounter

  • X01.8XXS

    Other exposure to uncontrolled fire, not in building or structure, sequela

  • X02.0

    Exposure to flames in controlled fire in building or structure

  • X02.0XXA

    Exposure to flames in controlled fire in building or structure, initial encounter

  • X02.0XXD

    Exposure to flames in controlled fire in building or structure, subsequent encounter

  • X02.0XXS

    Exposure to flames in controlled fire in building or structure, sequela

  • X02.1

    Exposure to smoke in controlled fire in building or structure

  • X02.1XXA

    Exposure to smoke in controlled fire in building or structure, initial encounter

  • X02.1XXD

    Exposure to smoke in controlled fire in building or structure, subsequent encounter

  • X02.1XXS

    Exposure to smoke in controlled fire in building or structure, sequela

  • X02.2

    Injury due to collapse of burning building or structure in controlled fire

  • X02.2XXA

    Injury due to collapse of burning building or structure in controlled fire, initial encounter

  • X02.2XXD

    Injury due to collapse of burning building or structure in controlled fire, subsequent encounter

  • X02.2XXS

    Injury due to collapse of burning building or structure in controlled fire, sequela

  • X02.3

    Fall from burning building or structure in controlled fire

  • X02.3XXA

    Fall from burning building or structure in controlled fire, initial encounter

  • X02.3XXD

    Fall from burning building or structure in controlled fire, subsequent encounter

  • X02.3XXS

    Fall from burning building or structure in controlled fire, sequela

  • X02.4

    Hit by object from burning building or structure in controlled fire

  • X02.4XXA

    Hit by object from burning building or structure in controlled fire, initial encounter

  • X02.4XXD

    Hit by object from burning building or structure in controlled fire, subsequent encounter

  • X02.4XXS

    Hit by object from burning building or structure in controlled fire, sequela

  • X02.5

    Jump from burning building or structure in controlled fire

  • X02.5XXA

    Jump from burning building or structure in controlled fire, initial encounter

  • X02.5XXD

    Jump from burning building or structure in controlled fire, subsequent encounter

  • X02.5XXS

    Jump from burning building or structure in controlled fire, sequela

  • X02.8

    Other exposure to controlled fire in building or structure

  • X02.8XXA

    Other exposure to controlled fire in building or structure, initial encounter

  • X02.8XXD

    Other exposure to controlled fire in building or structure, subsequent encounter

  • X02.8XXS

    Other exposure to controlled fire in building or structure, sequela

  • X03.0

    Exposure to flames in controlled fire, not in building or structure

  • X03.0XXA

    Exposure to flames in controlled fire, not in building or structure, initial encounter

  • X03.0XXD

    Exposure to flames in controlled fire, not in building or structure, subsequent encounter

  • X03.0XXS

    Exposure to flames in controlled fire, not in building or structure, sequela

  • X03.1

    Exposure to smoke in controlled fire, not in building or structure

  • X03.1XXA

    Exposure to smoke in controlled fire, not in building or structure, initial encounter

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