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

This variable is the count of events in the part B drug setting for a given year. An event is defined as each line item that contains the relevant service.

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').


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)

Null/missing or 1-XXX