MASTER LABORATORY TEST (66.3)    FILE (1)

This is the Master Laboratory Test file.
Master File Server (MFS), provided by Common Services (CS).  Creating
and/or editing locally defined fields in the file are not permitted.  Use
of locally defined fields that were created prior to the VHA Directive's
2005-044 effective date shall not be supported.
It contains the standardized Lab Test Name and its associated LOINC code.
The Lab will associate their local test to this file 
(^LAB(60,test#,1,specimen#)).
 
Per VHA Directive 2005-044, this file has been "locked down" by Data
Standardization (DS).  The file definition (i.e. data dictionary) shall
not be modified.  All additions, changes and deletions to entries in the
file shall be done by Enterprise Reference Terminology (ERT) using the