ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.3 > T59.3X > T59.3X4 T59.3X4 Toxic effect of lacrimogenic gas, undetermined Non-Billable/Non-Specific Codes T59.3X4A..., initial encounterT59.3X4D..., subsequent encounterT59.3X4S..., sequela