ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.2 > T41.20 > T41.204 T41.204 Poisoning by unspecified general anesthetics, undetermined Non-Billable/Non-Specific Codes T41.204A..., initial encounterT41.204D..., subsequent encounterT41.204S..., sequela