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
  • S12.041K

    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

  • S12.090

    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

  • S12.100

    Unspecified displaced fracture of second cervical vertebra

  • S12.100A

    Unspecified displaced fracture of second cervical vertebra, initial encounter for closed fracture

  • S12.100B

    Unspecified displaced fracture of second cervical vertebra, initial encounter for open fracture

  • S12.100D

    Unspecified displaced fracture of second cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.100G

    Unspecified displaced fracture of second cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.100K

    Unspecified displaced fracture of second cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.100S

    Unspecified displaced fracture of second cervical vertebra, sequela

  • S12.101

    Unspecified nondisplaced fracture of second cervical vertebra

  • S12.101A

    Unspecified nondisplaced fracture of second cervical vertebra, initial encounter for closed fracture

  • S12.101B

    Unspecified nondisplaced fracture of second cervical vertebra, initial encounter for open fracture

  • S12.101D

    Unspecified nondisplaced fracture of second cervical vertebra, subsequent encounter for fracture with routine healing

  • S12.101G

    Unspecified nondisplaced fracture of second cervical vertebra, subsequent encounter for fracture with delayed healing

  • S12.101K

    Unspecified nondisplaced fracture of second cervical vertebra, subsequent encounter for fracture with nonunion

  • S12.101S

    Unspecified nondisplaced fracture of second cervical vertebra, sequela

  • S12.110

    Anterior displaced Type II dens fracture

  • S12.110A

    Anterior displaced Type II dens fracture, initial encounter for closed fracture

  • S12.110B

    Anterior displaced Type II dens fracture, initial encounter for open fracture

  • S12.110D

    Anterior displaced Type II dens fracture, subsequent encounter for fracture with routine healing

  • S12.110G

    Anterior displaced Type II dens fracture, subsequent encounter for fracture with delayed healing

  • S12.110K

    Anterior displaced Type II dens fracture, subsequent encounter for fracture with nonunion

  • S12.110S

    Anterior displaced Type II dens fracture, sequela

  • S12.111

    Posterior displaced Type II dens fracture

  • S12.111A

    Posterior displaced Type II dens fracture, initial encounter for closed fracture

  • S12.111B

    Posterior displaced Type II dens fracture, initial encounter for open fracture

  • S12.111D

    Posterior displaced Type II dens fracture, subsequent encounter for fracture with routine healing

  • S12.111G

    Posterior displaced Type II dens fracture, subsequent encounter for fracture with delayed healing

  • S12.111K

    Posterior displaced Type II dens fracture, subsequent encounter for fracture with nonunion

  • S12.111S

    Posterior displaced Type II dens fracture, sequela

  • S12.112

    Nondisplaced Type II dens fracture

  • S12.112A

    Nondisplaced Type II dens fracture, initial encounter for closed fracture

  • S12.112B

    Nondisplaced Type II dens fracture, initial encounter for open fracture

  • S12.112D

    Nondisplaced Type II dens fracture, subsequent encounter for fracture with routine healing

  • S12.112G

    Nondisplaced Type II dens fracture, subsequent encounter for fracture with delayed healing

  • S12.112K

    Nondisplaced Type II dens fracture, subsequent encounter for fracture with nonunion

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