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This variable is contained in the following files: Plan Characteristics File
Short SAS Name
This variable identifies the dollar amount of the beneficiary copayment for a 1 month supply of the drugs on this tier, using an in-network pharmacy during the pre-initial coverage limit (ICL) phase of the Part D benefit.

This variable was new in 2007. It changed from 12 digits to 8 in 2009. Plans that use a coinsurance percentage rather than a co-payment amount will not have a value in this field; see instead the corresponding coinsurance variable called (PRE_ICL_INP_1M_COINS_TIER_01).