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This variable is contained in the following files: Plan Characteristics File
SAS Name
GAP_TIER

Indicates whether the formulary tier has extra coverage in the during the coverage gap phase.

Comments

The coverage gap is technically referred to as the initial coverage limit (ICL) for the Part D benefit. The CCW constructs the Plan Characteristics File from information submitted by plan sponsors to CMS’s Health Plan Management System (HPMS).

Source: CMS (HPMS Files)

CodeCode value
Y
Yes
N
No