ICD-10-CM > S00-T88 > S00-S09 > S04 > S04.0 > S04.03 S04.03 Injury of optic tract and pathways Non-Billable/Non-Specific Applicable To Injury of optic radiation Codes S04.031Injury of optic tract and pathways, right sideS04.031A..., initial encounterS04.031D..., subsequent encounterS04.031S..., sequelaS04.032Injury of optic tract and pathways, left sideS04.032A..., initial encounterS04.032D..., subsequent encounterS04.032S..., sequelaS04.039Injury of optic tract and pathways, unspecified sideS04.039A..., initial encounterS04.039D..., subsequent encounterS04.039S..., sequela