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
  • S04.81

    Injury of olfactory [1st ] nerve

  • S04.811

    Injury of olfactory [1st ] nerve, right side

  • S04.811A

    Injury of olfactory [1st ] nerve, right side, initial encounter

  • S04.811D

    Injury of olfactory [1st ] nerve, right side, subsequent encounter

  • S04.811S

    Injury of olfactory [1st ] nerve, right side, sequela

  • S04.812

    Injury of olfactory [1st ] nerve, left side

  • S04.812A

    Injury of olfactory [1st ] nerve, left side, initial encounter

  • S04.812D

    Injury of olfactory [1st ] nerve, left side, subsequent encounter

  • S04.812S

    Injury of olfactory [1st ] nerve, left side, sequela

  • S04.819

    Injury of olfactory [1st ] nerve, unspecified side

  • S04.819A

    Injury of olfactory [1st ] nerve, unspecified side, initial encounter

  • S04.819D

    Injury of olfactory [1st ] nerve, unspecified side, subsequent encounter

  • S04.819S

    Injury of olfactory [1st ] nerve, unspecified side, sequela

  • S04.89

    Injury of other cranial nerves

  • S04.891

    Injury of other cranial nerves, right side

  • S04.891A

    Injury of other cranial nerves, right side, initial encounter

  • S04.891D

    Injury of other cranial nerves, right side, subsequent encounter

  • S04.891S

    Injury of other cranial nerves, right side, sequela

  • S04.892

    Injury of other cranial nerves, left side

  • S04.892A

    Injury of other cranial nerves, left side, initial encounter

  • S04.892D

    Injury of other cranial nerves, left side, subsequent encounter

  • S04.892S

    Injury of other cranial nerves, left side, sequela

  • S04.899

    Injury of other cranial nerves, unspecified side

  • S04.899A

    Injury of other cranial nerves, unspecified side, initial encounter

  • S04.899D

    Injury of other cranial nerves, unspecified side, subsequent encounter

  • S04.899S

    Injury of other cranial nerves, unspecified side, sequela

  • S04.9

    Injury of unspecified cranial nerve

  • S04.9XXA

    Injury of unspecified cranial nerve, initial encounter

  • S04.9XXD

    Injury of unspecified cranial nerve, subsequent encounter

  • S04.9XXS

    Injury of unspecified cranial nerve, sequela

  • S05

    Injury of eye and orbit

  • S05.0

    Injury of conjunctiva and corneal abrasion without foreign body

  • S05.00

    Injury of conjunctiva and corneal abrasion without foreign body, unspecified eye

  • S05.00XA

    Injury of conjunctiva and corneal abrasion without foreign body, unspecified eye, initial encounter

  • S05.00XD

    Injury of conjunctiva and corneal abrasion without foreign body, unspecified eye, subsequent encounter

  • S05.00XS

    Injury of conjunctiva and corneal abrasion without foreign body, unspecified eye, sequela

  • S05.01

    Injury of conjunctiva and corneal abrasion without foreign body, right eye

  • S05.01XA

    Injury of conjunctiva and corneal abrasion without foreign body, right eye, initial encounter

  • S05.01XD

    Injury of conjunctiva and corneal abrasion without foreign body, right eye, subsequent encounter

  • S05.01XS

    Injury of conjunctiva and corneal abrasion without foreign body, right eye, sequela

  • S05.02

    Injury of conjunctiva and corneal abrasion without foreign body, left eye

  • S05.02XA

    Injury of conjunctiva and corneal abrasion without foreign body, left eye, initial encounter

  • S05.02XD

    Injury of conjunctiva and corneal abrasion without foreign body, left eye, subsequent encounter

  • S05.02XS

    Injury of conjunctiva and corneal abrasion without foreign body, left eye, sequela

  • S05.1

    Contusion of eyeball and orbital tissues

  • S05.10

    Contusion of eyeball and orbital tissues, unspecified eye

  • S05.10XA

    Contusion of eyeball and orbital tissues, unspecified eye, initial encounter

  • S05.10XD

    Contusion of eyeball and orbital tissues, unspecified eye, subsequent encounter

  • S05.10XS

    Contusion of eyeball and orbital tissues, unspecified eye, sequela

  • S05.11

    Contusion of eyeball and orbital tissues, right eye

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