Medicaid Beneficiary Identifier Reference Year

SAS Name
MSIS_RFRNC_YR

Year the MSIS_ID in the AHC file was found in the T-MSIS claims.

Comments

Earliest year associated with the MSIS_ID for the beneficiary during the AHC study period.

Source: CCW

Code Code value
2018-2022
Null/missing MSIS_ID was not found in T-MSIS or beneficiary was enrolled in Medicare only and not Medicaid