S04.899D

Injury of other cranial nerves, unspecified side, subsequent encounter

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from S04.89Injury of other cranial nerves
Synonyms

Injury of vagus [10th] nerve

Inherited from S04Injury of cranial nerve
Code first

any associated intracranial injury (S06.-)

Code also

any associated: open wound of head (S01.-) skull fracture (S02.-)

Synonyms

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

7th character

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

Valid 7th characters and their meanings
CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela
Inherited from S00-S09Injuries to the head
Includes

injuries of ear injuries of eye injuries of face [any part] injuries of gum injuries of jaw injuries of oral cavity injuries of palate injuries of periocular area injuries of scalp injuries of temporomandibular joint area injuries of tongue injuries of tooth

Excludes 2

burns and corrosions (T20-T32) effects of foreign body in ear (T16) effects of foreign body in larynx (T17.3) effects of foreign body in mouth NOS (T18.0) effects of foreign body in nose (T17.0-T17.1) effects of foreign body in pharynx (T17.2) effects of foreign body on external eye (T15.-) frostbite (T33-T34) insect bite or sting, venomous (T63.4)

Code also

for any associated infection

Inherited from chapter 19Injury, poisoning and certain other consequences of external causes
Excludes 2

birth trauma (P10-P15) obstetric trauma (O70-O71)

Use additional

code to identify any retained foreign body, if applicable (Z18.-)

Note

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)

Official Guidelines for S04.899D

FY 2026 ›