ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.A > T50.A2 T50.A2 Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component Non-Billable/Non-Specific Codes T50.A21Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional)T50.A21A..., initial encounterT50.A21D..., subsequent encounterT50.A21S..., sequelaT50.A22Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harmT50.A22A..., initial encounterT50.A22D..., subsequent encounterT50.A22S..., sequelaT50.A23Poisoning by mixed bacterial vaccines without a pertussis component, assaultT50.A23A..., initial encounterT50.A23D..., subsequent encounterT50.A23S..., sequelaT50.A24Poisoning by mixed bacterial vaccines without a pertussis component, undeterminedT50.A24A..., initial encounterT50.A24D..., subsequent encounterT50.A24S..., sequelaT50.A25Adverse effect of mixed bacterial vaccines without a pertussis componentT50.A25A..., initial encounterT50.A25D..., subsequent encounterT50.A25S..., sequelaT50.A26Underdosing of mixed bacterial vaccines without a pertussis componentT50.A26A..., initial encounterT50.A26D..., subsequent encounterT50.A26S..., sequela