S15.09 – Other specified injury of carotid artery

ICD-10-CM 2027 diagnosis code · Injuries to the neck

Non-billable header

ICD-10-CM code S15.09

Code: S15.09 (claims format: S1509)
Description: Other specified injury of carotid artery
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S10-S19 Injuries to the neck
Parent codes: S15 › S15.0

Billable codes under S15.09

S15.09 is a header code and cannot be used on claims. Choose the most specific code:

S15.091 – Other specified injury of right carotid arteryHeader (more codes below)
S15.092 – Other specified injury of left carotid arteryHeader (more codes below)
S15.099 – Other specified injury of unspecified carotid arteryHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S15 – Injury of blood vessels at neck level

Code also:

any associated open wound (S11.-)

7th character note:

The appropriate 7th character is to be added to each code from category S15

S15.0 – Injury of carotid artery of neck

Applicable to:

Injury of carotid artery (common) (external) (internal, extracranial portion)
Injury of carotid artery NOS

Excludes1 (not coded here):

injury of internal carotid artery, intracranial portion (S06.8)

Block S10-S19

Includes:

injuries of nape
injuries of supraclavicular region
injuries of throat

Excludes2 (not included here):

burns and corrosions (T20-T32)
effects of foreign body in esophagus (T18.1)
effects of foreign body in larynx (T17.3)
effects of foreign body in pharynx (T17.2)
effects of foreign body in trachea (T17.4)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Index terms for S15.09

Entries in the ICD-10-CM alphabetic index that lead to this code:

Injury, blood vessel NEC, carotid artery, specified type NEC

Related codes in S15.0

Frequently asked questions

What is ICD-10 code S15.09?

S15.09 is the ICD-10-CM code for other specified injury of carotid artery, in the block S10-S19 (Injuries to the neck).

Is S15.09 a billable code?

No. S15.09 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S15.09 belong to?

It belongs to category S15 – Injury of blood vessels at neck level.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.