Treating Facility List    ICR (2990)

Patient Integration Control Number.

This variable is an array variable that the function
uses to store the results of the treating facility list.

It will be in the structure of x(1), x(2), etc.
E.g., X(1)=500^2960101
Where the first peice is the IEN of the institution and the second piece is
the current date on record for that institution.

The cross-reference to $O through.  'APAT' for
patient information linked to treating facilities, 'AEVN' for patient info
linked with an event reason.  INDX will equal one if 'AEVN' is used, else
'APAT' is used.

0 - If no error
1^error description - If error or no data in the array

LIST(1)=-1^error message Example error messages:
parameter missing, no treating facility, missing DFN, missing ICN, etc.  The
only time LIST(1) will always be defined is if there is an error; the first
piece will be a -1.

OR an array of treating facilities; they may or may not be VAMCs:
LIST(1)=500^ALBANY^3020513.092^3^VAMC LIST(2)=662^SAN
FRANCISCO^3020311.14^3^VAMC LIST(3)=200^AUSTIN^^^DPC

OR an array of treating facilities; may or may not be sequential:
LIST(2)=500^ALBANY^3020513.092^3^VAMC LIST(3)=662^SAN
FRANCISCO^3020311.14^3^VAMC

DFN - required second input parameter equals the IEN
in the PATIENT (#2) file.