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
  • S03.42XS|

    Sprain of jaw, left side, sequela

  • S03.43|

    Sprain of jaw, bilateral

  • S03.43XA|

    Sprain of jaw, bilateral, initial encounter

  • S03.43XD|

    Sprain of jaw, bilateral, subsequent encounter

  • S03.43XS|

    Sprain of jaw, bilateral, sequela

  • S03.8|

    Sprain of joints and ligaments of other parts of head

  • S03.8XXA|

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

  • S03.8XXD|

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

  • S03.8XXS|

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

  • S03.9|

    Sprain of joints and ligaments of unspecified parts of head

  • S03.9XXA|

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

  • S03.9XXD|

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

  • S03.9XXS|

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

  • S04|

    Injury of cranial nerve

  • S04.0|

    Injury of optic nerve and pathways

  • S04.01|

    Injury of optic nerve

  • S04.011|

    Injury of optic nerve, right eye

  • S04.011A|

    Injury of optic nerve, right eye, initial encounter

  • S04.011D|

    Injury of optic nerve, right eye, subsequent encounter

  • S04.011S|

    Injury of optic nerve, right eye, sequela

  • S04.012|

    Injury of optic nerve, left eye

  • S04.012A|

    Injury of optic nerve, left eye, initial encounter

  • S04.012D|

    Injury of optic nerve, left eye, subsequent encounter

  • S04.012S|

    Injury of optic nerve, left eye, sequela

  • S04.019|

    Injury of optic nerve, unspecified eye

  • S04.019A|

    Injury of optic nerve, unspecified eye, initial encounter

  • S04.019D|

    Injury of optic nerve, unspecified eye, subsequent encounter

  • S04.019S|

    Injury of optic nerve, unspecified eye, sequela

  • S04.02|

    Injury of optic chiasm

  • S04.02XA|

    Injury of optic chiasm, initial encounter

  • S04.02XD|

    Injury of optic chiasm, subsequent encounter

  • S04.02XS|

    Injury of optic chiasm, sequela

  • S04.03|

    Injury of optic tract and pathways

  • S04.031|

    Injury of optic tract and pathways, right side

  • S04.031A|

    Injury of optic tract and pathways, right side, initial encounter

  • S04.031D|

    Injury of optic tract and pathways, right side, subsequent encounter

  • S04.031S|

    Injury of optic tract and pathways, right side, sequela

  • S04.032|

    Injury of optic tract and pathways, left side

  • S04.032A|

    Injury of optic tract and pathways, left side, initial encounter

  • S04.032D|

    Injury of optic tract and pathways, left side, subsequent encounter

  • S04.032S|

    Injury of optic tract and pathways, left side, sequela

  • S04.039|

    Injury of optic tract and pathways, unspecified side

  • S04.039A|

    Injury of optic tract and pathways, unspecified side, initial encounter

  • S04.039D|

    Injury of optic tract and pathways, unspecified side, subsequent encounter

  • S04.039S|

    Injury of optic tract and pathways, unspecified side, sequela

  • S04.04|

    Injury of visual cortex

  • S04.041|

    Injury of visual cortex, right side

  • S04.041A|

    Injury of visual cortex, right side, initial encounter

  • S04.041D|

    Injury of visual cortex, right side, subsequent encounter

  • S04.041S|

    Injury of visual cortex, right side, sequela

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