ICD-10-CM > S00-T88 > T36-T50 > T37 > T37.5 T37.5 Poisoning by, adverse effect of and underdosing of antiviral drugs Non-Billable/Non-Specific Type 1 Excludes amantadine (T42.8-)cytarabine (T45.1-) Codes T37.5XPoisoning by, adverse effect of and underdosing of antiviral drugsT37.5X1Poisoning by antiviral drugs, accidental (unintentional)T37.5X1A..., initial encounterT37.5X1D..., subsequent encounterT37.5X1S..., sequelaT37.5X2Poisoning by antiviral drugs, intentional self-harmT37.5X2A..., initial encounterT37.5X2D..., subsequent encounterT37.5X2S..., sequelaT37.5X3Poisoning by antiviral drugs, assaultT37.5X3A..., initial encounterT37.5X3D..., subsequent encounterT37.5X3S..., sequelaT37.5X4Poisoning by antiviral drugs, undeterminedT37.5X4A..., initial encounterT37.5X4D..., subsequent encounterT37.5X4S..., sequelaT37.5X5Adverse effect of antiviral drugsT37.5X5A..., initial encounterT37.5X5D..., subsequent encounterT37.5X5S..., sequelaT37.5X6Underdosing of antiviral drugsT37.5X6A..., initial encounterT37.5X6D..., subsequent encounterT37.5X6S..., sequela