HELP-PROMPT: Coding System must be 2-20 characters in length.
CROSS-REFERENCE: 757.123^B
1)= S ^LEX(757.12,DA(1),1,"B",$E(X,1,30),DA)=""
2)= K ^LEX(757.12,DA(1),1,"B",$E(X,1,30),DA)
^LEX(757.12,ST,1,"B",SYS,IEN) - where ST is the Internal Entry Number in the Semantic Types file #757.12 where the Semantic Type is located, SYS is the Associated Coding System belonging to the Semantic Type, and IEN is
the Internal Entry Number of the Associated Coding System Sub-file #757.123 where the Associated Coding System (.01) is located.