S06.818
Injury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of any duration with death due to other cause prior to regaining consciousness
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
S00-S09block
Excludes2
- burns and corrosions (T20-T32)T20-T32
- effects of foreign body in ear (T16)T16
- effects of foreign body in larynx (T17.3)T17.3
- effects of foreign body in mouth NOS (T18.0)T18.0
- effects of foreign body in nose (T17.0-T17.1)T17.0-T17.1
- effects of foreign body in pharynx (T17.2)T17.2
- effects of foreign body on external eye (T15.-)T15.-
- frostbite (T33-T34)T33-T34
- insect bite or sting, venomous (T63.4)T63.4
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 22
S06code
Notes
- 7th characters D and S do not apply to codes in category S06 with 6th character 7 - death due to brain injury prior to regaining consciousness, or 8 - death due to other cause prior to regaining consciousness.S06
Includes
- traumatic brain injury
Use additional code
- code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)F06.7-
S00-S09block
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
Code also
- for any associated infection
S00-T88chapter
Notes
- 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.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
Alongside this code 10 same parent — S06.81
S06.810 Injury of r int carotid, intcr w/o loss of consciousness category S06.811 Injury of r int carotid, intcr w LOC of 30 minutes or less category S06.812 Injury of r int carotid, intcr w LOC of 31-59 min category S06.813 Injury of r int carotid, intcr w LOC of 1-5 hrs 59 min category S06.814 Injury of r int carotid, intcr w LOC of 6 hours to 24 hours category S06.815 Injury of r int carotid, intcr w LOC >24 hr w ret consc lev category S06.816 Inj r int carotid, intcr w LOC >24 hr w/o ret consc w surv category S06.817 Inj r int crtd, intcr w LOC w death d/t brain inj bf consc category S06.81A Inj r int carotid, intcrn portion, NEC LOC status unknown category S06.819 Injury of r int carotid, intcr w LOC of unsp duration category
Subordinate codes 1
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.