ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.5 T41.5 Poisoning by, adverse effect of and underdosing of therapeutic gases Non-Billable/Non-Specific Codes T41.5XPoisoning by, adverse effect of and underdosing of therapeutic gasesT41.5X1Poisoning by therapeutic gases, accidental (unintentional)T41.5X1A..., initial encounterT41.5X1D..., subsequent encounterT41.5X1S..., sequelaT41.5X2Poisoning by therapeutic gases, intentional self-harmT41.5X2A..., initial encounterT41.5X2D..., subsequent encounterT41.5X2S..., sequelaT41.5X3Poisoning by therapeutic gases, assaultT41.5X3A..., initial encounterT41.5X3D..., subsequent encounterT41.5X3S..., sequelaT41.5X4Poisoning by therapeutic gases, undeterminedT41.5X4A..., initial encounterT41.5X4D..., subsequent encounterT41.5X4S..., sequelaT41.5X5Adverse effect of therapeutic gasesT41.5X5A..., initial encounterT41.5X5D..., subsequent encounterT41.5X5S..., sequelaT41.5X6Underdosing of therapeutic gasesT41.5X6A..., initial encounterT41.5X6D..., subsequent encounterT41.5X6S..., sequela