DSIC CPT ACTIVE/VALIDATE (1621)    REMOTE PROCEDURE (8994)

This will tell you whether or not a CPT code is active as of the date 
that you pass in.

• CODE
  PARAMETER TYPE:   LITERAL
  MAXIMUM DATA LENGTH:   7
  REQUIRED:   YES
  SEQUENCE NUMBER:   1
  DESCRIPTION:   

  This is the CPT, HCPCS, or level III code from file 81 in either internal 
  or external format.
  

• CDT
  PARAMETER TYPE:   LITERAL
  MAXIMUM DATA LENGTH:   14
  REQUIRED:   NO
  SEQUENCE NUMBER:   2
  DESCRIPTION:   

  This date is optional.  It can be <null>, TODAY, NOW, or a internal 
  Fileman format date.  Default value is TODAY.  This date will be used to 
  check if the code was active as of that date.
  

• SRC
  PARAMETER TYPE:   LITERAL
  MAXIMUM DATA LENGTH:   1
  REQUIRED:   NO
  SEQUENCE NUMBER:   3
  DESCRIPTION:   

  This boolean flag (1 or 0) indicates whether or not Level III codes 
  should be screened out.  If SCR=1 then allow Level III codes.  Default 
  value is 0.
  

On error, return -1
Else return 1 if active, 0 if inactive