Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W17.1XXD

    Fall into storm drain or manhole, subsequent encounter

  • W17.1XXS

    Fall into storm drain or manhole, sequela

  • W17.2

    Fall into hole

  • W17.2XXA

    Fall into hole, initial encounter

  • W17.2XXD

    Fall into hole, subsequent encounter

  • W17.2XXS

    Fall into hole, sequela

  • W17.3

    Fall into empty swimming pool

  • W17.3XXA

    Fall into empty swimming pool, initial encounter

  • W17.3XXD

    Fall into empty swimming pool, subsequent encounter

  • W17.3XXS

    Fall into empty swimming pool, sequela

  • W17.4

    Fall from dock

  • W17.4XXA

    Fall from dock, initial encounter

  • W17.4XXD

    Fall from dock, subsequent encounter

  • W17.4XXS

    Fall from dock, sequela

  • W17.8

    Other fall from one level to another

  • W17.81

    Fall down embankment (hill)

  • W17.81XA

    Fall down embankment (hill), initial encounter

  • W17.81XD

    Fall down embankment (hill), subsequent encounter

  • W17.81XS

    Fall down embankment (hill), sequela

  • W17.82

    Fall from (out of) grocery cart

  • W17.82XA

    Fall from (out of) grocery cart, initial encounter

  • W17.82XD

    Fall from (out of) grocery cart, subsequent encounter

  • W17.82XS

    Fall from (out of) grocery cart, sequela

  • W17.89

    Other fall from one level to another

  • W17.89XA

    Other fall from one level to another, initial encounter

  • W17.89XD

    Other fall from one level to another, subsequent encounter

  • W17.89XS

    Other fall from one level to another, sequela

  • W18

    Other slipping, tripping and stumbling and falls

  • W18.0

    Fall due to bumping against object

  • W18.00

    Striking against unspecified object with subsequent fall

  • W18.00XA

    Striking against unspecified object with subsequent fall, initial encounter

  • W18.00XD

    Striking against unspecified object with subsequent fall, subsequent encounter

  • W18.00XS

    Striking against unspecified object with subsequent fall, sequela

  • W18.01

    Striking against sports equipment with subsequent fall

  • W18.01XA

    Striking against sports equipment with subsequent fall, initial encounter

  • W18.01XD

    Striking against sports equipment with subsequent fall, subsequent encounter

  • W18.01XS

    Striking against sports equipment with subsequent fall, sequela

  • W18.02

    Striking against glass with subsequent fall

  • W18.02XA

    Striking against glass with subsequent fall, initial encounter

  • W18.02XD

    Striking against glass with subsequent fall, subsequent encounter

  • W18.02XS

    Striking against glass with subsequent fall, sequela

  • W18.09

    Striking against other object with subsequent fall

  • W18.09XA

    Striking against other object with subsequent fall, initial encounter

  • W18.09XD

    Striking against other object with subsequent fall, subsequent encounter

  • W18.09XS

    Striking against other object with subsequent fall, sequela

  • W18.1

    Fall from or off toilet

  • W18.11

    Fall from or off toilet without subsequent striking against object

  • W18.11XA

    Fall from or off toilet without subsequent striking against object, initial encounter

  • W18.11XD

    Fall from or off toilet without subsequent striking against object, subsequent encounter

  • W18.11XS

    Fall from or off toilet without subsequent striking against object, sequela

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