S04.6 — Injury of acoustic nerve

Not billable

Is S04.6 billable?

No — S04.6 is a non-billable header code. S04.6 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 9 billable codes beneath S04.6.

Billable codes under this header

S04.6 at a glance

Code	S04.6
Description	Injury of acoustic nerve
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is S04.6 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to S04.6. They show the wording a clinician may have documented, which often differs from the Tabular description.

Injury › nerve NEC › acoustic
Injury › nerve NEC › acoustic › contusion
Injury › nerve NEC › acoustic › laceration
Injury › nerve NEC › acoustic › specified type NEC

Inclusion terms

Alternative wording in documentation that is classified to S04.6.

Injury of auditory nerve
Injury of 8th cranial nerve

Code first — inherited from S04

The underlying condition below must be sequenced before S04.6. S04.6 describes a manifestation and cannot be the principal or first-listed diagnosis.

any associated intracranial injury (S06.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S04.6 to fully describe the condition. S04.6 is sequenced first.

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

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S04.6, but a patient may have both at the same time. When documentation supports it, S04.6 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S00-S09

The conditions below are not part of S04.6, but a patient may have both at the same time. When documentation supports it, S04.6 and the excluded code may both be reported.

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 — inherited from S00-S09

Two codes may be needed to describe the condition fully. Whether S04.6 is sequenced first depends on the reason for the encounter.

for any associated infection

Code also — inherited from S04