Injury of r int carotid, intcr w LOC of 31-59 min, subs

This code describes a traumatic injury to the intracranial segment of the right internal carotid artery, not otherwise specified, that occurred in the past and resulted in a loss of consciousness lasting between 31 and 59 minutes. This indicates a follow-up visit for ongoing care, healing, or complications related to the initial injury.

Use this code for a patient presenting for follow-up care of a previously diagnosed intracranial right internal carotid artery injury with a documented loss of consciousness of 31-59 minutes. Documentation should clearly state the "subsequent encounter" status and specify the duration of the initial loss of consciousness.

• Verify the laterality (right) and the specific portion of the carotid artery (intracranial).
• Ensure the documentation explicitly states "subsequent encounter" for this specific injury.
• Confirm the duration of loss of consciousness falls within the 31-59 minute range; other durations have different codes.