Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W44.G3

    Combination metal and plastic jewelry entering into or through a natural orifice

  • W44.G3XA

    Combination metal and plastic jewelry entering into or through a natural orifice, initial encounter

  • W44.G3XD

    Combination metal and plastic jewelry entering into or through a natural orifice, subsequent encounter

  • W44.G3XS

    Combination metal and plastic jewelry entering into or through a natural orifice, sequela

  • W44.G9

    Other non-organic objects entering into or through a natural orifice

  • W44.G9XA

    Other non-organic objects entering into or through a natural orifice, initial encounter

  • W44.G9XD

    Other non-organic objects entering into or through a natural orifice, subsequent encounter

  • W44.G9XS

    Other non-organic objects entering into or through a natural orifice, sequela

  • W44.H0

    Other sharp object unspecified, entering into or through a natural orifice

  • W44.H0XA

    Other sharp object unspecified, entering into or through a natural orifice, initial encounter

  • W44.H0XD

    Other sharp object unspecified, entering into or through a natural orifice, subsequent encounter

  • W44.H0XS

    Other sharp object unspecified, entering into or through a natural orifice, sequela

  • W44.H1

    Needle entering into or through a natural orifice

  • W44.H1XA

    Needle entering into or through a natural orifice, initial encounter

  • W44.H1XD

    Needle entering into or through a natural orifice, subsequent encounter

  • W44.H1XS

    Needle entering into or through a natural orifice, sequela

  • W44.H2

    Knife, sword or dagger entering into or through a natural orifice

  • W44.H2XA

    Knife, sword or dagger entering into or through a natural orifice, initial encounter

  • W44.H2XD

    Knife, sword or dagger entering into or through a natural orifice, subsequent encounter

  • W44.H2XS

    Knife, sword or dagger entering into or through a natural orifice, sequela

  • W44.H9

    Other sharp object entering into or through a natural orifice

  • W44.H9XA

    Other sharp object entering into or through a natural orifice, initial encounter

  • W44.H9XD

    Other sharp object entering into or through a natural orifice, subsequent encounter

  • W44.H9XS

    Other sharp object entering into or through a natural orifice, sequela

  • W45.0

    Nail entering through skin

  • W45.0XXA

    Nail entering through skin, initial encounter

  • W45.0XXD

    Nail entering through skin, subsequent encounter

  • W45.0XXS

    Nail entering through skin, sequela

  • W45.3

    Fishing hook entering through skin

  • W45.3XXA

    Fishing hook entering through skin, initial encounter

  • W45.3XXD

    Fishing hook entering through skin, subsequent encounter

  • W45.3XXS

    Fishing hook entering through skin, sequela

  • W45.8

    Other foreign body or object entering through skin

  • W45.8XXA

    Other foreign body or object entering through skin, initial encounter

  • W45.8XXD

    Other foreign body or object entering through skin, subsequent encounter

  • W45.8XXS

    Other foreign body or object entering through skin, sequela

  • W46.0

    Contact with hypodermic needle

  • W46.0XXA

    Contact with hypodermic needle, initial encounter

  • W46.0XXD

    Contact with hypodermic needle, subsequent encounter

  • W46.0XXS

    Contact with hypodermic needle, sequela

  • W46.1

    Contact with contaminated hypodermic needle

  • W46.1XXA

    Contact with contaminated hypodermic needle, initial encounter

  • W46.1XXD

    Contact with contaminated hypodermic needle, subsequent encounter

  • W46.1XXS

    Contact with contaminated hypodermic needle, sequela

  • W49.01

    Hair causing external constriction

  • W49.01XA

    Hair causing external constriction, initial encounter

  • W49.01XD

    Hair causing external constriction, subsequent encounter

  • W49.01XS

    Hair causing external constriction, sequela

  • W49.02

    String or thread causing external constriction

  • W49.02XA

    String or thread causing external constriction, initial encounter

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