ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.B > T50.B1 > T50.B14 T50.B14 Poisoning by smallpox vaccines, undetermined Non-Billable/Non-Specific Codes T50.B14A..., initial encounterT50.B14D..., subsequent encounterT50.B14S..., sequela