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This variable is contained in the following files:
SAS Name
EM_EVENTS
This variable is the count of events for the part B evaluation and management (E&M) services for a given year. An event is defined as each line item that contains the relevant service.
E & M claims are a subset of the claims in the Part B Carrier and DME data files, and a subset of physician claims. The E & M claims are defined as those with a line BETOS code (BETOS_CD) where the first digit = 'M' (but is not M1A or M1B – which are categorized as physician office care in this file – see PHYS_MDCR_PMT).
Null/missing or 1-XXX
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)