| GENERAL DESCRIPTION |
HMP uses the AISS index to determine the record for the
specified Institution that is associated with the fully qualified ID that is
made up of the Source ID, Assigning Authority and Source ID Type. If the
record exists, the Patient DFN is parsed from the record.
HMP also uses the APAT cross reference to determine if there is an entry for
the specified pateint and specified Site IEN.
HMP uses the APAT cross reference to identify the institutions for the
specified patient. HMP loops through the APAT cross reference to get the IEN
for all records for the patient. Then HMP parse the Institution, Patient DFN,
Assigning Authority, Source ID, Identifier Status and Source ID Type.
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