Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W16.222A

    Fall in (into) bucket of water causing other injury, initial encounter

  • W16.222D

    Fall in (into) bucket of water causing other injury, subsequent encounter

  • W16.222S

    Fall in (into) bucket of water causing other injury, sequela

  • W16.3

    Fall into other water

  • W16.31

    Fall into other water striking water surface

  • W16.311

    Fall into other water striking water surface causing drowning and submersion

  • W16.311A

    Fall into other water striking water surface causing drowning and submersion, initial encounter

  • W16.311D

    Fall into other water striking water surface causing drowning and submersion, subsequent encounter

  • W16.311S

    Fall into other water striking water surface causing drowning and submersion, sequela

  • W16.312

    Fall into other water striking water surface causing other injury

  • W16.312A

    Fall into other water striking water surface causing other injury, initial encounter

  • W16.312D

    Fall into other water striking water surface causing other injury, subsequent encounter

  • W16.312S

    Fall into other water striking water surface causing other injury, sequela

  • W16.32

    Fall into other water striking bottom

  • W16.321

    Fall into other water striking bottom causing drowning and submersion

  • W16.321A

    Fall into other water striking bottom causing drowning and submersion, initial encounter

  • W16.321D

    Fall into other water striking bottom causing drowning and submersion, subsequent encounter

  • W16.321S

    Fall into other water striking bottom causing drowning and submersion, sequela

  • W16.322

    Fall into other water striking bottom causing other injury

  • W16.322A

    Fall into other water striking bottom causing other injury, initial encounter

  • W16.322D

    Fall into other water striking bottom causing other injury, subsequent encounter

  • W16.322S

    Fall into other water striking bottom causing other injury, sequela

  • W16.33

    Fall into other water striking wall

  • W16.331

    Fall into other water striking wall causing drowning and submersion

  • W16.331A

    Fall into other water striking wall causing drowning and submersion, initial encounter

  • W16.331D

    Fall into other water striking wall causing drowning and submersion, subsequent encounter

  • W16.331S

    Fall into other water striking wall causing drowning and submersion, sequela

  • W16.332

    Fall into other water striking wall causing other injury

  • W16.332A

    Fall into other water striking wall causing other injury, initial encounter

  • W16.332D

    Fall into other water striking wall causing other injury, subsequent encounter

  • W16.332S

    Fall into other water striking wall causing other injury, sequela

  • W16.4

    Fall into unspecified water

  • W16.41

    Fall into unspecified water causing drowning and submersion

  • W16.41XA

    Fall into unspecified water causing drowning and submersion, initial encounter

  • W16.41XD

    Fall into unspecified water causing drowning and submersion, subsequent encounter

  • W16.41XS

    Fall into unspecified water causing drowning and submersion, sequela

  • W16.42

    Fall into unspecified water causing other injury

  • W16.42XA

    Fall into unspecified water causing other injury, initial encounter

  • W16.42XD

    Fall into unspecified water causing other injury, subsequent encounter

  • W16.42XS

    Fall into unspecified water causing other injury, sequela

  • W16.5

    Jumping or diving into swimming pool

  • W16.51

    Jumping or diving into swimming pool striking water surface

  • W16.511

    Jumping or diving into swimming pool striking water surface causing drowning and submersion

  • W16.511A

    Jumping or diving into swimming pool striking water surface causing drowning and submersion, initial encounter

  • W16.511D

    Jumping or diving into swimming pool striking water surface causing drowning and submersion, subsequent encounter

  • W16.511S

    Jumping or diving into swimming pool striking water surface causing drowning and submersion, sequela

  • W16.512

    Jumping or diving into swimming pool striking water surface causing other injury

  • W16.512A

    Jumping or diving into swimming pool striking water surface causing other injury, initial encounter

  • W16.512D

    Jumping or diving into swimming pool striking water surface causing other injury, subsequent encounter

  • W16.512S

    Jumping or diving into swimming pool striking water surface causing other injury, sequela

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