ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.Z > T50.Z9 T50.Z9 Poisoning by, adverse effect of and underdosing of other vaccines and biological substances Non-Billable/Non-Specific Codes T50.Z91Poisoning by other vaccines and biological substances, accidental (unintentional)T50.Z91A..., initial encounterT50.Z91D..., subsequent encounterT50.Z91S..., sequelaT50.Z92Poisoning by other vaccines and biological substances, intentional self-harmT50.Z92A..., initial encounterT50.Z92D..., subsequent encounterT50.Z92S..., sequelaT50.Z93Poisoning by other vaccines and biological substances, assaultT50.Z93A..., initial encounterT50.Z93D..., subsequent encounterT50.Z93S..., sequelaT50.Z94Poisoning by other vaccines and biological substances, undeterminedT50.Z94A..., initial encounterT50.Z94D..., subsequent encounterT50.Z94S..., sequelaT50.Z95Adverse effect of other vaccines and biological substancesT50.Z95A..., initial encounterT50.Z95D..., subsequent encounterT50.Z95S..., sequelaT50.Z96Underdosing of other vaccines and biological substancesT50.Z96A..., initial encounterT50.Z96D..., subsequent encounterT50.Z96S..., sequela