| T45.0X6A | Underdosing of antiallergic and antiemetic drugs, initial encounter | BILLABLE CODE |
| T45.0X6D | Underdosing of antiallergic and antiemetic drugs, subsequent encounter | BILLABLE CODE |
| T45.0X6S | Underdosing of antiallergic and antiemetic drugs, sequela | BILLABLE CODE |
