ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.5 > T41.5X > T41.5X2 T41.5X2 Poisoning by therapeutic gases, intentional self-harm Non-Billable/Non-Specific Codes T41.5X2A..., initial encounterT41.5X2D..., subsequent encounterT41.5X2S..., sequela