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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