Updated research request forms and data security approval requirement effective 4/24/23
This variable is contained in the following files:
SAS Name
HCPCS_4TH_MDFR_CD
A fourth modifier to the Healthcare Common Procedure Coding System (HCPCS) procedure code to make it more specific than the first, second, or third modifier codes to identify the revenue center or line item services for the encounter record.
Source: Medicare Advantage Organizations (MAOs)