ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.5 > T41.5X > T41.5X1 T41.5X1 Poisoning by therapeutic gases, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by therapeutic gases NOS Codes T41.5X1A..., initial encounterT41.5X1D..., subsequent encounterT41.5X1S..., sequela