Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • S12.02XK|

    Unstable burst fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.02XS|

    Unstable burst fracture of first cervical vertebra, sequela

  • S12.03|

    Posterior arch fracture of first cervical vertebra

  • S12.030|

    Displaced posterior arch fracture of first cervical vertebra

  • S12.030A|

    Displaced posterior arch fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.030B|

    Displaced posterior arch fracture of first cervical vertebra, initial encounter for open fracture

  • S12.030D|

    Displaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.030G|

    Displaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.030K|

    Displaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.030S|

    Displaced posterior arch fracture of first cervical vertebra, sequela

  • S12.031|

    Nondisplaced posterior arch fracture of first cervical vertebra

  • S12.031A|

    Nondisplaced posterior arch fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.031B|

    Nondisplaced posterior arch fracture of first cervical vertebra, initial encounter for open fracture

  • S12.031D|

    Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.031G|

    Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.031K|

    Nondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.031S|

    Nondisplaced posterior arch fracture of first cervical vertebra, sequela

  • S12.04|

    Lateral mass fracture of first cervical vertebra

  • S12.040|

    Displaced lateral mass fracture of first cervical vertebra

  • S12.040A|

    Displaced lateral mass fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.040B|

    Displaced lateral mass fracture of first cervical vertebra, initial encounter for open fracture

  • S12.040D|

    Displaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.040G|

    Displaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.040K|

    Displaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.040S|

    Displaced lateral mass fracture of first cervical vertebra, sequela

  • S12.041|

    Nondisplaced lateral mass fracture of first cervical vertebra

  • S12.041A|

    Nondisplaced lateral mass fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.041B|

    Nondisplaced lateral mass fracture of first cervical vertebra, initial encounter for open fracture

  • S12.041D|

    Nondisplaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.041G|

    Nondisplaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.041K|

    Nondisplaced lateral mass fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.041S|

    Nondisplaced lateral mass fracture of first cervical vertebra, sequela

  • S12.09|

    Other fracture of first cervical vertebra

  • S12.090|

    Other displaced fracture of first cervical vertebra

  • S12.090A|

    Other displaced fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.090B|

    Other displaced fracture of first cervical vertebra, initial encounter for open fracture

  • S12.090D|

    Other displaced fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.090G|

    Other displaced fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.090K|

    Other displaced fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.090S|

    Other displaced fracture of first cervical vertebra, sequela

  • S12.091|

    Other nondisplaced fracture of first cervical vertebra

  • S12.091A|

    Other nondisplaced fracture of first cervical vertebra, initial encounter for closed fracture

  • S12.091B|

    Other nondisplaced fracture of first cervical vertebra, initial encounter for open fracture

  • S12.091D|

    Other nondisplaced fracture of first cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.091G|

    Other nondisplaced fracture of first cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.091K|

    Other nondisplaced fracture of first cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.091S|

    Other nondisplaced fracture of first cervical vertebra, sequela

  • S12.1|

    Fracture of second cervical vertebra

  • S12.10|

    Unspecified fracture of second cervical vertebra

  • S12.100|

    Unspecified displaced fracture of second cervical vertebra

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