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
  • S13.170S

    Subluxation of C6/C7 cervical vertebrae, sequela

  • S13.171

    Dislocation of C6/C7 cervical vertebrae

  • S13.171A

    Dislocation of C6/C7 cervical vertebrae, initial encounter

  • S13.171D

    Dislocation of C6/C7 cervical vertebrae, subsequent encounter

  • S13.171S

    Dislocation of C6/C7 cervical vertebrae, sequela

  • S13.180

    Subluxation of C7/T1 cervical vertebrae

  • S13.180A

    Subluxation of C7/T1 cervical vertebrae, initial encounter

  • S13.180D

    Subluxation of C7/T1 cervical vertebrae, subsequent encounter

  • S13.180S

    Subluxation of C7/T1 cervical vertebrae, sequela

  • S13.181

    Dislocation of C7/T1 cervical vertebrae

  • S13.181A

    Dislocation of C7/T1 cervical vertebrae, initial encounter

  • S13.181D

    Dislocation of C7/T1 cervical vertebrae, subsequent encounter

  • S13.181S

    Dislocation of C7/T1 cervical vertebrae, sequela

  • S13.20

    Dislocation of unspecified parts of neck

  • S13.20XA

    Dislocation of unspecified parts of neck, initial encounter

  • S13.20XD

    Dislocation of unspecified parts of neck, subsequent encounter

  • S13.20XS

    Dislocation of unspecified parts of neck, sequela

  • S13.29

    Dislocation of other parts of neck

  • S13.29XA

    Dislocation of other parts of neck, initial encounter

  • S13.29XD

    Dislocation of other parts of neck, subsequent encounter

  • S13.29XS

    Dislocation of other parts of neck, sequela

  • S13.4

    Sprain of ligaments of cervical spine

  • S13.4XXA

    Sprain of ligaments of cervical spine, initial encounter

  • S13.4XXD

    Sprain of ligaments of cervical spine, subsequent encounter

  • S13.4XXS

    Sprain of ligaments of cervical spine, sequela

  • S13.5

    Sprain of thyroid region

  • S13.5XXA

    Sprain of thyroid region, initial encounter

  • S13.5XXD

    Sprain of thyroid region, subsequent encounter

  • S13.5XXS

    Sprain of thyroid region, sequela

  • S13.8

    Sprain of joints and ligaments of other parts of neck

  • S13.8XXA

    Sprain of joints and ligaments of other parts of neck, initial encounter

  • S13.8XXD

    Sprain of joints and ligaments of other parts of neck, subsequent encounter

  • S13.8XXS

    Sprain of joints and ligaments of other parts of neck, sequela

  • S13.9

    Sprain of joints and ligaments of unspecified parts of neck

  • S13.9XXA

    Sprain of joints and ligaments of unspecified parts of neck, initial encounter

  • S13.9XXD

    Sprain of joints and ligaments of unspecified parts of neck, subsequent encounter

  • S13.9XXS

    Sprain of joints and ligaments of unspecified parts of neck, sequela

  • S14.0

    Concussion and edema of cervical spinal cord

  • S14.0XXA

    Concussion and edema of cervical spinal cord, initial encounter

  • S14.0XXD

    Concussion and edema of cervical spinal cord, subsequent encounter

  • S14.0XXS

    Concussion and edema of cervical spinal cord, sequela

  • S14.101

    Unspecified injury at C1 level of cervical spinal cord

  • S14.101A

    Unspecified injury at C1 level of cervical spinal cord, initial encounter

  • S14.101D

    Unspecified injury at C1 level of cervical spinal cord, subsequent encounter

  • S14.101S

    Unspecified injury at C1 level of cervical spinal cord, sequela

  • S14.102

    Unspecified injury at C2 level of cervical spinal cord

  • S14.102A

    Unspecified injury at C2 level of cervical spinal cord, initial encounter

  • S14.102D

    Unspecified injury at C2 level of cervical spinal cord, subsequent encounter

  • S14.102S

    Unspecified injury at C2 level of cervical spinal cord, sequela

  • S14.103

    Unspecified injury at C3 level of cervical spinal cord

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