Updated research request forms and data security approval requirement effective 4/24/23
This variable is contained in the following files:
This field represents the minimum cost sharing tier in which the product was placed in the sponsor's formulary. This identifier is also a key that links a Part D plan's cost sharing tier record to a prescription drug event record via contract ID, plan ID, and tier ID.
This variable is valid from 2006-2009. Starting in 2010, it is included in the Formulary file.
| Code | Code value |
|---|---|
| NA | The drug on the PDE does not link to the plan's formulary |
| XX | Unable to link to plan |
| 1-max | The tier on the plan's formulary associated with the drug on the PDE or if the plan is not required to submit a formulary then TIER_ID is assigned a value of '1' |