ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.B > T50.B1 > T50.B12 T50.B12 Poisoning by smallpox vaccines, intentional self-harm Non-Billable/Non-Specific Codes T50.B12A..., initial encounterT50.B12D..., subsequent encounterT50.B12S..., sequela