ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 S06.6 Traumatic subarachnoid hemorrhage Non-Billable/Non-Specific Use Additional code, if applicable, for traumatic brain compression or herniation (S06.A-) Codes S06.6XTraumatic subarachnoid hemorrhageS06.6X0Traumatic subarachnoid hemorrhage without loss of consciousnessS06.6X0A..., initial encounterS06.6X0D..., subsequent encounterS06.6X0S..., sequelaS06.6X1Traumatic subarachnoid hemorrhage with loss of consciousness of 30 minutes or lessS06.6X1A..., initial encounterS06.6X1D..., subsequent encounterS06.6X1S..., sequelaS06.6X2Traumatic subarachnoid hemorrhage with loss of consciousness of 31 minutes to 59 minutesS06.6X2A..., initial encounterS06.6X2D..., subsequent encounterS06.6X2S..., sequelaS06.6X3Traumatic subarachnoid hemorrhage with loss of consciousness of 1 hour to 5 hours 59 minutesS06.6X3A..., initial encounterS06.6X3D..., subsequent encounterS06.6X3S..., sequelaS06.6X4Traumatic subarachnoid hemorrhage with loss of consciousness of 6 hours to 24 hoursS06.6X4A..., initial encounterS06.6X4D..., subsequent encounterS06.6X4S..., sequelaS06.6X5Traumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious levelS06.6X5A..., initial encounterS06.6X5D..., subsequent encounterS06.6X5S..., sequelaS06.6X6Traumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient survivingS06.6X6A..., initial encounterS06.6X6D..., subsequent encounterS06.6X6S..., sequelaS06.6X7Traumatic subarachnoid hemorrhage with loss of consciousness of any duration with death due to brain injury prior to regaining consciousnessS06.6X7A..., initial encounterS06.6X7D..., subsequent encounterS06.6X7S..., sequelaS06.6X8Traumatic subarachnoid hemorrhage with loss of consciousness of any duration with death due to other cause prior to regaining consciousnessS06.6X8A..., initial encounterS06.6X8D..., subsequent encounterS06.6X8S..., sequelaS06.6XATraumatic subarachnoid hemorrhage with loss of consciousness status unknownS06.6XAA..., initial encounterS06.6XAD..., subsequent encounterS06.6XAS..., sequelaS06.6X9Traumatic subarachnoid hemorrhage with loss of consciousness of unspecified durationS06.6X9A..., initial encounterS06.6X9D..., subsequent encounterS06.6X9S..., sequela