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This variable is contained in the following files: Master Beneficiary Summary File (MBSF): Cost and Utilization Segment
SAS Name
PTB_DRUG_BENE_PMT

This variable is the sum of coinsurance and deductible payments for part B drugs for a given year. The total Beneficiary payments are calculated as the sum of LINE_COINSRNC_AMT + LINE_BENE_PTB_DDCTBL_AMT for the relevant lines.

Part B drug claims are a subset of the claims in the Part B Carrier and DME data files. The Part B drug claims are identified by BETOS codes (CCW variable BETOS_CD with values of 'D1G','O1D','O1E','O1G','I1E', or 'I1F').

Comments

There are 11 cost/use categories from the Carrier Part B and DME data files – the ASC, Anesthesia, Part B Drug, Physician, E & M, dialysis, imaging, tests, other procedures, DME and other carrier claims.

Source: CCW (derived)