Table 1 Data extracted from Centers for Medicare and Medicaid Services enclave

Medicare enrollment information related to whether participant is enrolled in Medicare Advantage or traditional fee-for-service Medicare (including whether the participant is enrolled in Medicare Part A, Part B or both) in a given calendar month.

Place of service information indicating the type of health care location (e.g., inpatient hospital, emergency department), including place of service codes, where applicable

Contact information identifying the facility or professional rendering the service (e.g., facility or professional name and address, city, state, zip code and/or phone number)

Revenue center codes and text description, where applicable

All relevant dates, including dates of service, admission, discharge, transfer, or death, and “from” dates and “thru” dates for services spanning multiple days.

Discharge disposition or discharge status codes, where applicable

Diagnosis codes (ICD-9 and ICD-10)

Diagnosis-related group codes (e.g., MS-DRG codes)

Procedure codes (including CPT/HCPCS and ICD-9 and ICD-10 procedure codes)

Meta-data, including the claims file and calendar year (or year and quarter, where applicable) from which the data come (e.g., carrier file from quarter 2 of 2015)