There are 3 categories of drugs in the Drug Tariff, categories A, C and M.
Category A
This category lists the drugs that are readily available.
The reimbursement price for each of these drugs is calculated from a basket list of suppliers.
Category C
This category lists drugs that are not readily available as a generic and their price is based on a particular brand or supplier.
Category M
This category lists drugs which are readily available.
The reimbursement price is calculated by the Department of Health and Social Care (DHSC) based on information submitted by manufacturers.