Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W21.8

    Striking against or struck by other sports equipment

  • W21.81

    Striking against or struck by football helmet

  • W21.81XA

    Striking against or struck by football helmet, initial encounter

  • W21.81XD

    Striking against or struck by football helmet, subsequent encounter

  • W21.81XS

    Striking against or struck by football helmet, sequela

  • W21.89

    Striking against or struck by other sports equipment

  • W21.89XA

    Striking against or struck by other sports equipment, initial encounter

  • W21.89XD

    Striking against or struck by other sports equipment, subsequent encounter

  • W21.89XS

    Striking against or struck by other sports equipment, sequela

  • W21.9

    Striking against or struck by unspecified sports equipment

  • W21.9XXA

    Striking against or struck by unspecified sports equipment, initial encounter

  • W21.9XXD

    Striking against or struck by unspecified sports equipment, subsequent encounter

  • W21.9XXS

    Striking against or struck by unspecified sports equipment, sequela

  • W22

    Striking against or struck by other objects

  • W22.0

    Striking against stationary object

  • W22.01

    Walked into wall

  • W22.01XA

    Walked into wall, initial encounter

  • W22.01XD

    Walked into wall, subsequent encounter

  • W22.01XS

    Walked into wall, sequela

  • W22.02

    Walked into lamppost

  • W22.02XA

    Walked into lamppost, initial encounter

  • W22.02XD

    Walked into lamppost, subsequent encounter

  • W22.02XS

    Walked into lamppost, sequela

  • W22.03

    Walked into furniture

  • W22.03XA

    Walked into furniture, initial encounter

  • W22.03XD

    Walked into furniture, subsequent encounter

  • W22.03XS

    Walked into furniture, sequela

  • W22.04

    Striking against wall of swimming pool

  • W22.041

    Striking against wall of swimming pool causing drowning and submersion

  • W22.041A

    Striking against wall of swimming pool causing drowning and submersion, initial encounter

  • W22.041D

    Striking against wall of swimming pool causing drowning and submersion, subsequent encounter

  • W22.041S

    Striking against wall of swimming pool causing drowning and submersion, sequela

  • W22.042

    Striking against wall of swimming pool causing other injury

  • W22.042A

    Striking against wall of swimming pool causing other injury, initial encounter

  • W22.042D

    Striking against wall of swimming pool causing other injury, subsequent encounter

  • W22.042S

    Striking against wall of swimming pool causing other injury, sequela

  • W22.09

    Striking against other stationary object

  • W22.09XA

    Striking against other stationary object, initial encounter

  • W22.09XD

    Striking against other stationary object, subsequent encounter

  • W22.09XS

    Striking against other stationary object, sequela

  • W22.1

    Striking against or struck by automobile airbag

  • W22.10

    Striking against or struck by unspecified automobile airbag

  • W22.10XA

    Striking against or struck by unspecified automobile airbag, initial encounter

  • W22.10XD

    Striking against or struck by unspecified automobile airbag, subsequent encounter

  • W22.10XS

    Striking against or struck by unspecified automobile airbag, sequela

  • W22.11

    Striking against or struck by driver side automobile airbag

  • W22.11XA

    Striking against or struck by driver side automobile airbag, initial encounter

  • W22.11XD

    Striking against or struck by driver side automobile airbag, subsequent encounter

  • W22.11XS

    Striking against or struck by driver side automobile airbag, sequela

  • W22.12

    Striking against or struck by front passenger side automobile airbag

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