XA |
Extended Architecture Operation System (SSA) |
General, Health Care |
XAC |
Cross Reference Account Code |
General |
XCN |
Executive Control Number |
General |
XCOM |
External Communications System |
General |
XDE |
Extended Development Environment |
General |
XDP |
Extended Data Processing |
General |
XDR |
Extended Data Representation |
General |
XID |
Exchange Identifier |
General |
XIV |
Title 14 Grants to States for Aid to the Permanently & Totally Disabled |
Medicare Beneficiary, Health Care |
XIX |
Title 19 Grants to States for Medical Assistance Programs (MAA) |
Medicare Beneficiary, Health Care |