S06.81A — Injury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown

Not billable

Is S06.81A billable?

No — S06.81A is a non-billable header code. S06.81A 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 3 billable codes beneath S06.81A.

Billable codes under this header

S06.81AAInjury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown, initial encounter
S06.81ADInjury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown, subsequent encounter
S06.81ASInjury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown, sequela

S06.81A at a glance

Code	S06.81A
Description	Injury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is S06.81A listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S06.8, the nearest indexed parent of S06.81A. Use them to find the family, then select the specific code.

Injury › blood vessel NEC › carotid artery › internal, intracranial

Inclusion terms

Alternative wording in documentation that is classified to S06.81A.

Injury of right internal carotid artery, intracranial portion, not elsewhere classified NOS

Excludes1 — never code together — inherited from S06

The conditions below can never be reported together with S06.81A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

head injury NOS (S09.90)

Use additional code — inherited from Chapter 19

Report an additional code alongside S06.81A to fully describe the condition. S06.81A is sequenced first.

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

Use additional code — inherited from S06

Report an additional code alongside S06.81A to fully describe the condition. S06.81A is sequenced first.

code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S06.81A, but a patient may have both at the same time. When documentation supports it, S06.81A 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 S06.81A, but a patient may have both at the same time. When documentation supports it, S06.81A 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 S06.81A is sequenced first depends on the reason for the encounter.

for any associated infection

Code also — inherited from S06