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This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (July).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (June).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (March).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (May).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (November).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (October).

This variable indicates if the beneficiary was enrolled in an employer-sponsored prescription drug plan that qualified for Part D’s retiree drug subsidy (RDS) for a given month (September).

Name of county in which the Part D plan benefit package (segment) provides coverage.

Indicates that the Part D plan benefit package (segment) covers only a portion of the county.

This variable is the stand alone prescription drug plan (PDP) or Medicare Advantage Prescription Drug Plan (MA-PD) region code in which the plan benefit package provides coverage. Applies only to stand-alone PDPs and regional Medicare Advantage Prescription Drug plans.

This variable is the standard 5-digit Social Security Administration  (SSA) state and county code in which the Part D plan benefit package (segment) provides coverage.

This variable describes the type of special needs Part D plan (SNP) for applicable plan benefit packages.

Part D prescribing events (PDE) consist of highly variable days supply of the medication. This derived variable creates a standard 30 days supply of a filled Part D prescription, and counts this as a “fill”. The Part D fill count does not indicate the number of different drugs the person is using, only the total months covered by a medication (e.g., if a patient is receiving a full year supply of a medication, whether this occurs in one transaction or 12 monthly transactions, the fill count = 12; if the patient is taking three such medications, the fill count=36).

This variable is the dollar amount of the Part D Premium Enhanced (supplemental) Rate. This amount is net of any Part A/B rebates applied to "buy down" the drug premium for Medicare Advantage plans.

This variable is the dollar amount of the Part D Total Premium (basic + supplemental) Rate (Net of Rebates).

The Part D Total Premium is the sum of the Basic and Supplemental Premiums (variables called PLAN_BASIC_PREMIUM_NET_REBATE and PLAN_SUPP_PREMIUM_NET_REBATE). This amount is net of any Part A/B rebates applied to "buy down" the drug premium for Medicare Advantage plans; for some plans the total premium may be lower than the sum of the basic and supplemental premiums due to negative basic or supplemental premiums.

This variable is the gross drug cost (TOT_RX_CST_AMT) of all Part D drugs for a given year. This value includes the ingredient cost, dispensing fee, sales tax (if applicable), and vaccine administration fee (if any, 2010+ only).

This variable indicates whether the Part D plans that offer some cost sharing in the gap (i.e., those where the GAP_TIER value for this tier = "Y" [yes]), this variable indicates whether or not the cost sharing applies to a partial list of drugs.     If only a limited number of drugs on the tier are covered during the gap then this value will be 'Y'.  If all drugs on the tier are covered through the gap then this value will be 'N'.   Applies only to enhanced plans with gap coverage.   

For Part D plans with some cost sharing in the gap (gap_tier = Yes), this variable indicates whether or not the the cost sharing applies to a partial list of drugs. If only a limited number of drugs on the tier are covered through the gap then the value will be 'Y'. If all drugs on the tier are covered through the gap then the value will be 'N'.

Date of birth of the patient as indicated on the event record.

The code used to identify the status of the patient as of the CLM_THRU_DT. 

The code used to identify the status of the patient as of the CLM_THRU_DT.

Gender of the patient as indicated on the event record.

THE TOTAL AMOUNT THAT AN ELIGIBLE IS REQUIRED TO SPEND OUT OF THEIR OWN FUNDS, TOWARD THE COST OF THEIR CARE, BEFORE MEDICAID PAYMENTS ARE MADE.

8 DIGITS (DISPLAY SIGNED NUMERIC) (SAS USERS:ZONED DECIMAL - ZD8)

This variable indicates where the beneficiary lived when the prescription was filled, as reported on the PDE record.This variable was new in 2013 and required for all PDEs beginning on February 28, 2013.

CODE INDICATING THE PATIENT'S DISCHARGE STATUS.

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