ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.A > T50.A1 > T50.A14 T50.A14 Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined Non-Billable/Non-Specific Codes T50.A14A..., initial encounterT50.A14D..., subsequent encounterT50.A14S..., sequela