Retrieve HCPCS codes from Physician/Supplier claims

Extracts all claims from physician/supplier billing data for the selected years, optionally filtering by HCPCS codes and/or USRDS_IDs.

Usage

get_PS_HCPCS(hcpcs_codes = NULL, years, usrds_ids = NULL)

hcpcs_codes: Optional. Character vector of HCPCS codes to filter by. If NULL, returns all codes.
years: Integer vector of calendar years to include.
usrds_ids: Optional. Vector of USRDS_IDs to restrict results to.

A data frame with columns: USRDS_ID, HCPCS, CLM_FROM, HCFASAF

If hcpcs_codes is NULL, all HCPCS-coded claims are returned.

if (FALSE) {
get_PS_HCPCS(c("81003", "87086"), years = 2006:2008)
get_PS_HCPCS(NULL, years = 2006:2008)  # All HCPCS codes
}