Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W59.02XD

    Struck by nonvenomous lizards, subsequent encounter

  • W59.02XS

    Struck by nonvenomous lizards, sequela

  • W59.09

    Other contact with nonvenomous lizards

  • W59.09XA

    Other contact with nonvenomous lizards, initial encounter

  • W59.09XD

    Other contact with nonvenomous lizards, subsequent encounter

  • W59.09XS

    Other contact with nonvenomous lizards, sequela

  • W59.11

    Bitten by nonvenomous snake

  • W59.11XA

    Bitten by nonvenomous snake, initial encounter

  • W59.11XD

    Bitten by nonvenomous snake, subsequent encounter

  • W59.11XS

    Bitten by nonvenomous snake, sequela

  • W59.12

    Struck by nonvenomous snake

  • W59.12XA

    Struck by nonvenomous snake, initial encounter

  • W59.12XD

    Struck by nonvenomous snake, subsequent encounter

  • W59.12XS

    Struck by nonvenomous snake, sequela

  • W59.13

    Crushed by nonvenomous snake

  • W59.13XA

    Crushed by nonvenomous snake, initial encounter

  • W59.13XD

    Crushed by nonvenomous snake, subsequent encounter

  • W59.13XS

    Crushed by nonvenomous snake, sequela

  • W59.19

    Other contact with nonvenomous snake

  • W59.19XA

    Other contact with nonvenomous snake, initial encounter

  • W59.19XD

    Other contact with nonvenomous snake, subsequent encounter

  • W59.19XS

    Other contact with nonvenomous snake, sequela

  • W59.21

    Bitten by turtle

  • W59.21XA

    Bitten by turtle, initial encounter

  • W59.21XD

    Bitten by turtle, subsequent encounter

  • W59.21XS

    Bitten by turtle, sequela

  • W59.22

    Struck by turtle

  • W59.22XA

    Struck by turtle, initial encounter

  • W59.22XD

    Struck by turtle, subsequent encounter

  • W59.22XS

    Struck by turtle, sequela

  • W59.29

    Other contact with turtle

  • W59.29XA

    Other contact with turtle, initial encounter

  • W59.29XD

    Other contact with turtle, subsequent encounter

  • W59.29XS

    Other contact with turtle, sequela

  • W59.81

    Bitten by other nonvenomous reptiles

  • W59.81XA

    Bitten by other nonvenomous reptiles, initial encounter

  • W59.81XD

    Bitten by other nonvenomous reptiles, subsequent encounter

  • W59.81XS

    Bitten by other nonvenomous reptiles, sequela

  • W59.82

    Struck by other nonvenomous reptiles

  • W59.82XA

    Struck by other nonvenomous reptiles, initial encounter

  • W59.82XD

    Struck by other nonvenomous reptiles, subsequent encounter

  • W59.82XS

    Struck by other nonvenomous reptiles, sequela

  • W59.83

    Crushed by other nonvenomous reptiles

  • W59.83XA

    Crushed by other nonvenomous reptiles, initial encounter

  • W59.83XD

    Crushed by other nonvenomous reptiles, subsequent encounter

  • W59.83XS

    Crushed by other nonvenomous reptiles, sequela

  • W59.89

    Other contact with other nonvenomous reptiles

  • W59.89XA

    Other contact with other nonvenomous reptiles, initial encounter

  • W59.89XD

    Other contact with other nonvenomous reptiles, subsequent encounter

  • W59.89XS

    Other contact with other nonvenomous reptiles, sequela

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