ICD-10-CM > I00-I99 > I60-I69 > I60 > I60.0 I60.0 Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation Non-Billable/Non-Specific Codes I60.00Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcationI60.01Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcationI60.02Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation