This variable is the count of events in the part B durable medical equipment (DME) for a given year. An event is defined as each line item that contains the relevant service.
Claims for DME are a subset of the claims in the Part B Carrier and DME data files. These claims are defined as those with a line BETOS code (BETOS_CD) where the first three digits are 'D1A', 'D1B', 'D1C', 'D1D', 'D1E', or 'D1F'.
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)