S06.820
S06.820 — Injury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness
Non-billable headerICD-10-CMleft
S06.820 is a non-billable header ICD-10-CM code for injury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S06, except as noted below
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S06.820 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead S06.820
3 child codes. Green means billable.
- S06.820AInjury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness, initial encounter
- S06.820DInjury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness, subsequent encounter
- S06.820SInjury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness, sequela
Related codes at this level
Codes that share S06.82. If S06.820 is not quite right, the correct code is usually one of these.
- S06.821Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of 30 minutes or less
- S06.822Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of 31 minutes to 59 minutes
- S06.823Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of 1 hour to 5 hours 59 minutes
- S06.824Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of 6 hours to 24 hours
- S06.825Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness greater than 24 hours with return to pre-existing conscious level
- S06.826Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving
- S06.827Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness
- S06.828Injury of left 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
- S06.82AInjury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown
- S06.829Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of unspecified duration
Questions about S06.820
- Is S06.820 a billable ICD-10-CM code?
- No. S06.820 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S06.820 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).