Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • W33.19XD

    Accidental malfunction of other larger firearm, subsequent encounter

  • W33.19XS

    Accidental malfunction of other larger firearm, sequela

  • W34.00

    Accidental discharge from unspecified firearms or gun

  • W34.00XA

    Accidental discharge from unspecified firearms or gun, initial encounter

  • W34.00XD

    Accidental discharge from unspecified firearms or gun, subsequent encounter

  • W34.00XS

    Accidental discharge from unspecified firearms or gun, sequela

  • W34.010

    Accidental discharge of airgun

  • W34.010A

    Accidental discharge of airgun, initial encounter

  • W34.010D

    Accidental discharge of airgun, subsequent encounter

  • W34.010S

    Accidental discharge of airgun, sequela

  • W34.011

    Accidental discharge of paintball gun

  • W34.011A

    Accidental discharge of paintball gun, initial encounter

  • W34.011D

    Accidental discharge of paintball gun, subsequent encounter

  • W34.011S

    Accidental discharge of paintball gun, sequela

  • W34.018

    Accidental discharge of other gas, air or spring-operated gun

  • W34.018A

    Accidental discharge of other gas, air or spring-operated gun, initial encounter

  • W34.018D

    Accidental discharge of other gas, air or spring-operated gun, subsequent encounter

  • W34.018S

    Accidental discharge of other gas, air or spring-operated gun, sequela

  • W34.09

    Accidental discharge from other specified firearms

  • W34.09XA

    Accidental discharge from other specified firearms, initial encounter

  • W34.09XD

    Accidental discharge from other specified firearms, subsequent encounter

  • W34.09XS

    Accidental discharge from other specified firearms, sequela

  • W34.10

    Accidental malfunction from unspecified firearms or gun

  • W34.10XA

    Accidental malfunction from unspecified firearms or gun, initial encounter

  • W34.10XD

    Accidental malfunction from unspecified firearms or gun, subsequent encounter

  • W34.10XS

    Accidental malfunction from unspecified firearms or gun, sequela

  • W34.110

    Accidental malfunction of airgun

  • W34.110A

    Accidental malfunction of airgun, initial encounter

  • W34.110D

    Accidental malfunction of airgun, subsequent encounter

  • W34.110S

    Accidental malfunction of airgun, sequela

  • W34.111

    Accidental malfunction of paintball gun

  • W34.111A

    Accidental malfunction of paintball gun, initial encounter

  • W34.111D

    Accidental malfunction of paintball gun, subsequent encounter

  • W34.111S

    Accidental malfunction of paintball gun, sequela

  • W34.118

    Accidental malfunction of other gas, air or spring-operated gun

  • W34.118A

    Accidental malfunction of other gas, air or spring-operated gun, initial encounter

  • W34.118D

    Accidental malfunction of other gas, air or spring-operated gun, subsequent encounter

  • W34.118S

    Accidental malfunction of other gas, air or spring-operated gun, sequela

  • W34.19

    Accidental malfunction from other specified firearms

  • W34.19XA

    Accidental malfunction from other specified firearms, initial encounter

  • W34.19XD

    Accidental malfunction from other specified firearms, subsequent encounter

  • W34.19XS

    Accidental malfunction from other specified firearms, sequela

  • W35

    Explosion and rupture of boiler

  • W35.XXXA

    Explosion and rupture of boiler, initial encounter

  • W35.XXXD

    Explosion and rupture of boiler, subsequent encounter

  • W35.XXXS

    Explosion and rupture of boiler, sequela

  • W36.1

    Explosion and rupture of aerosol can

  • W36.1XXA

    Explosion and rupture of aerosol can, initial encounter

  • W36.1XXD

    Explosion and rupture of aerosol can, subsequent encounter

  • W36.1XXS

    Explosion and rupture of aerosol can, sequela

PreviousPage 126 of 196Next