All ICD10 Codes
Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • W56.01XS—

    Bitten by dolphin, sequela

  • W56.02—

    Struck by dolphin

  • W56.02XA—

    Struck by dolphin, initial encounter

  • W56.02XD—

    Struck by dolphin, subsequent encounter

  • W56.02XS—

    Struck by dolphin, sequela

  • W56.09—

    Other contact with dolphin

  • W56.09XA—

    Other contact with dolphin, initial encounter

  • W56.09XD—

    Other contact with dolphin, subsequent encounter

  • W56.09XS—

    Other contact with dolphin, sequela

  • W56.1—

    Contact with sea lion

  • W56.11—

    Bitten by sea lion

  • W56.11XA—

    Bitten by sea lion, initial encounter

  • W56.11XD—

    Bitten by sea lion, subsequent encounter

  • W56.11XS—

    Bitten by sea lion, sequela

  • W56.12—

    Struck by sea lion

  • W56.12XA—

    Struck by sea lion, initial encounter

  • W56.12XD—

    Struck by sea lion, subsequent encounter

  • W56.12XS—

    Struck by sea lion, sequela

  • W56.19—

    Other contact with sea lion

  • W56.19XA—

    Other contact with sea lion, initial encounter

  • W56.19XD—

    Other contact with sea lion, subsequent encounter

  • W56.19XS—

    Other contact with sea lion, sequela

  • W56.2—

    Contact with orca

  • W56.21—

    Bitten by orca

  • W56.21XA—

    Bitten by orca, initial encounter

  • W56.21XD—

    Bitten by orca, subsequent encounter

  • W56.21XS—

    Bitten by orca, sequela

  • W56.22—

    Struck by orca

  • W56.22XA—

    Struck by orca, initial encounter

  • W56.22XD—

    Struck by orca, subsequent encounter

  • W56.22XS—

    Struck by orca, sequela

  • W56.29—

    Other contact with orca

  • W56.29XA—

    Other contact with orca, initial encounter

  • W56.29XD—

    Other contact with orca, subsequent encounter

  • W56.29XS—

    Other contact with orca, sequela

  • W56.3—

    Contact with other marine mammals

  • W56.31—

    Bitten by other marine mammals

  • W56.31XA—

    Bitten by other marine mammals, initial encounter

  • W56.31XD—

    Bitten by other marine mammals, subsequent encounter

  • W56.31XS—

    Bitten by other marine mammals, sequela

  • W56.32—

    Struck by other marine mammals

  • W56.32XA—

    Struck by other marine mammals, initial encounter

  • W56.32XD—

    Struck by other marine mammals, subsequent encounter

  • W56.32XS—

    Struck by other marine mammals, sequela

  • W56.39—

    Other contact with other marine mammals

  • W56.39XA—

    Other contact with other marine mammals, initial encounter

  • W56.39XD—

    Other contact with other marine mammals, subsequent encounter

  • W56.39XS—

    Other contact with other marine mammals, sequela

  • W56.4—

    Contact with shark

  • W56.41—

    Bitten by shark

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