Category: S04 - Injury of cranial nerve

 Chapter Notes

 Section Notes

 S04

Injury of cranial nerve

The selection of side should be based on the side of the body being affected

Code first any associated intracranial injury (S06.-)

Code also any associated:

open wound of head (S01.-)

skull fracture (S02.-)

The appropriate 7th character is to be added to each code from category S04

A

initial encounter

D

subsequent encounter

S

sequela

 S04.0

Injury of optic nerve and pathways

Use additional code to identify any visual field defect or blindness (H53.4-, H54.-)

 S04.01

Injury of optic nerve

Injury of 2nd cranial nerve

 S04.011

Injury of optic nerve, right eye

 S04.012

Injury of optic nerve, left eye

 S04.019

Injury of optic nerve, unspecified eye

Injury of optic nerve NOS

 S04.02

Injury of optic chiasm

 S04.03

Injury of optic tract and pathways

Injury of optic radiation

 S04.031

Injury of optic tract and pathways, right side

 S04.032

Injury of optic tract and pathways, left side

 S04.039

Injury of optic tract and pathways, unspecified side

Injury of optic tract and pathways NOS

 S04.04

Injury of visual cortex

 S04.041

Injury of visual cortex, right side

 S04.042

Injury of visual cortex, left side

 S04.049

Injury of visual cortex, unspecified side

Injury of visual cortex NOS

 S04.1

Injury of oculomotor nerve

Injury of 3rd cranial nerve

 S04.10

Injury of oculomotor nerve, unspecified side

 S04.11

Injury of oculomotor nerve, right side

 S04.12

Injury of oculomotor nerve, left side

 S04.2

Injury of trochlear nerve

Injury of 4th cranial nerve

 S04.20

Injury of trochlear nerve, unspecified side

 S04.21

Injury of trochlear nerve, right side

 S04.22

Injury of trochlear nerve, left side

 S04.3

Injury of trigeminal nerve

Injury of 5th cranial nerve

 S04.30

Injury of trigeminal nerve, unspecified side

 S04.31

Injury of trigeminal nerve, right side

 S04.32

Injury of trigeminal nerve, left side

 S04.4

Injury of abducent nerve

Injury of 6th cranial nerve

 S04.40

Injury of abducent nerve, unspecified side

 S04.41

Injury of abducent nerve, right side

 S04.42

Injury of abducent nerve, left side

 S04.5

Injury of facial nerve

Injury of 7th cranial nerve

 S04.50

Injury of facial nerve, unspecified side

 S04.51

Injury of facial nerve, right side

 S04.52

Injury of facial nerve, left side

 S04.6

Injury of acoustic nerve

Injury of auditory nerve

Injury of 8th cranial nerve

 S04.60

Injury of acoustic nerve, unspecified side

 S04.61

Injury of acoustic nerve, right side

 S04.62

Injury of acoustic nerve, left side

 S04.7

Injury of accessory nerve

Injury of 11th cranial nerve

 S04.70

Injury of accessory nerve, unspecified side

 S04.71

Injury of accessory nerve, right side

 S04.72

Injury of accessory nerve, left side

 S04.8

Injury of other cranial nerves

 S04.81

Injury of olfactory [1st ] nerve

 S04.811

Injury of olfactory [1st ] nerve, right side

 S04.812

Injury of olfactory [1st ] nerve, left side

 S04.819

Injury of olfactory [1st ] nerve, unspecified side

 S04.89

Injury of other cranial nerves

Injury of vagus [10th] nerve

 S04.891

Injury of other cranial nerves, right side

 S04.892

Injury of other cranial nerves, left side

 S04.899

Injury of other cranial nerves, unspecified side

 S04.9

Injury of unspecified cranial nerve