| T50.B11 | Poisoning by smallpox vaccines, accidental (unintentional) | NON-BILLABLE CODE |
| T50.B11A | Poisoning by smallpox vaccines, accidental (unintentional), initial encounter | BILLABLE CODE |
| T50.B11D | Poisoning by smallpox vaccines, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T50.B11S | Poisoning by smallpox vaccines, accidental (unintentional), sequela | BILLABLE CODE |
| T50.B12 | Poisoning by smallpox vaccines, intentional self-harm | NON-BILLABLE CODE |
| T50.B12A | Poisoning by smallpox vaccines, intentional self-harm, initial encounter | BILLABLE CODE |
| T50.B12D | Poisoning by smallpox vaccines, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T50.B12S | Poisoning by smallpox vaccines, intentional self-harm, sequela | BILLABLE CODE |
| T50.B13 | Poisoning by smallpox vaccines, assault | NON-BILLABLE CODE |
| T50.B13A | Poisoning by smallpox vaccines, assault, initial encounter | BILLABLE CODE |
| T50.B13D | Poisoning by smallpox vaccines, assault, subsequent encounter | BILLABLE CODE |
| T50.B13S | Poisoning by smallpox vaccines, assault, sequela | BILLABLE CODE |
| T50.B14 | Poisoning by smallpox vaccines, undetermined | NON-BILLABLE CODE |
| T50.B14A | Poisoning by smallpox vaccines, undetermined, initial encounter | BILLABLE CODE |
| T50.B14D | Poisoning by smallpox vaccines, undetermined, subsequent encounter | BILLABLE CODE |
| T50.B14S | Poisoning by smallpox vaccines, undetermined, sequela | BILLABLE CODE |
| T50.B15 | Adverse effect of smallpox vaccines | NON-BILLABLE CODE |
| T50.B15A | Adverse effect of smallpox vaccines, initial encounter | BILLABLE CODE |
| T50.B15D | Adverse effect of smallpox vaccines, subsequent encounter | BILLABLE CODE |
| T50.B15S | Adverse effect of smallpox vaccines, sequela | BILLABLE CODE |
| T50.B16 | Underdosing of smallpox vaccines | NON-BILLABLE CODE |
| T50.B16A | Underdosing of smallpox vaccines, initial encounter | BILLABLE CODE |
| T50.B16D | Underdosing of smallpox vaccines, subsequent encounter | BILLABLE CODE |
| T50.B16S | Underdosing of smallpox vaccines, sequela | BILLABLE CODE |
