Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • V93.23XA

    Heat exposure on board other powered watercraft, initial encounter

  • V93.23XD

    Heat exposure on board other powered watercraft, subsequent encounter

  • V93.23XS

    Heat exposure on board other powered watercraft, sequela

  • V93.24

    Heat exposure on board sailboat

  • V93.24XA

    Heat exposure on board sailboat, initial encounter

  • V93.24XD

    Heat exposure on board sailboat, subsequent encounter

  • V93.24XS

    Heat exposure on board sailboat, sequela

  • V93.29

    Heat exposure on board unspecified watercraft

  • V93.29XA

    Heat exposure on board unspecified watercraft, initial encounter

  • V93.29XD

    Heat exposure on board unspecified watercraft, subsequent encounter

  • V93.29XS

    Heat exposure on board unspecified watercraft, sequela

  • V93.3

    Fall on board watercraft

  • V93.30

    Fall on board merchant ship

  • V93.30XA

    Fall on board merchant ship, initial encounter

  • V93.30XD

    Fall on board merchant ship, subsequent encounter

  • V93.30XS

    Fall on board merchant ship, sequela

  • V93.31

    Fall on board passenger ship

  • V93.31XA

    Fall on board passenger ship, initial encounter

  • V93.31XD

    Fall on board passenger ship, subsequent encounter

  • V93.31XS

    Fall on board passenger ship, sequela

  • V93.32

    Fall on board fishing boat

  • V93.32XA

    Fall on board fishing boat, initial encounter

  • V93.32XD

    Fall on board fishing boat, subsequent encounter

  • V93.32XS

    Fall on board fishing boat, sequela

  • V93.33

    Fall on board other powered watercraft

  • V93.33XA

    Fall on board other powered watercraft, initial encounter

  • V93.33XD

    Fall on board other powered watercraft, subsequent encounter

  • V93.33XS

    Fall on board other powered watercraft, sequela

  • V93.34

    Fall on board sailboat

  • V93.34XA

    Fall on board sailboat, initial encounter

  • V93.34XD

    Fall on board sailboat, subsequent encounter

  • V93.34XS

    Fall on board sailboat, sequela

  • V93.35

    Fall on board canoe or kayak

  • V93.35XA

    Fall on board canoe or kayak, initial encounter

  • V93.35XD

    Fall on board canoe or kayak, subsequent encounter

  • V93.35XS

    Fall on board canoe or kayak, sequela

  • V93.36

    Fall on board (nonpowered) inflatable craft

  • V93.36XA

    Fall on board (nonpowered) inflatable craft, initial encounter

  • V93.36XD

    Fall on board (nonpowered) inflatable craft, subsequent encounter

  • V93.36XS

    Fall on board (nonpowered) inflatable craft, sequela

  • V93.38

    Fall on board other unpowered watercraft

  • V93.38XA

    Fall on board other unpowered watercraft, initial encounter

  • V93.38XD

    Fall on board other unpowered watercraft, subsequent encounter

  • V93.38XS

    Fall on board other unpowered watercraft, sequela

  • V93.39

    Fall on board unspecified watercraft

  • V93.39XA

    Fall on board unspecified watercraft, initial encounter

  • V93.39XD

    Fall on board unspecified watercraft, subsequent encounter

  • V93.39XS

    Fall on board unspecified watercraft, sequela

  • V93.4

    Struck by falling object on board watercraft

  • V93.40

    Struck by falling object on merchant ship

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