///<summary>Gets the patient info from the MedLab.OriginalPIDSegments. Returns null if there is an error processing the PID segments.</summary>
private List <string[]> GetPatInfoFromPidSegments()
{
List <string[]> listPats = new List <string[]>();
HL7Def hl7DefCur = HL7Defs.GetOneDeepEnabled(true);
if (hl7DefCur == null)
{
MsgBox.Show(this, "There must be an enabled MedLab HL7 interface in order to parse the message details.");
return(null);
}
HL7DefMessage hl7defmsg = null;
for (int i = 0; i < hl7DefCur.hl7DefMessages.Count; i++)
{
//for now there are only incoming ORU messages supported, so there should only be one defined message type and it should be inbound
if (hl7DefCur.hl7DefMessages[i].MessageType == MessageTypeHL7.ORU && hl7DefCur.hl7DefMessages[i].InOrOut == InOutHL7.Incoming)
{
hl7defmsg = hl7DefCur.hl7DefMessages[i];
break;
}
}
if (hl7defmsg == null)
{
MsgBox.Show(this, "There must be a message definition for an inbound ORU message in order to parse this message.");
return(null);
}
//for MedLab interfaces, we limit the ability to rearrange the message structure, so the PID segment is always in position 1
if (hl7defmsg.hl7DefSegments.Count < 2)
{
MsgBox.Show(this, "The message definition for an inbound ORU message does not have the correct number of segments.");
return(null);
}
HL7DefSegment pidSegDef = hl7defmsg.hl7DefSegments[1];
if (pidSegDef.SegmentName != SegmentNameHL7.PID)
{
MsgBox.Show(this, "The message definition for an inbound ORU message does not have the PID segment as the second segment.");
return(null);
}
for (int i = 0; i < ListMedLabs.Count; i++)
{
string[] fields = ListMedLabs[i].OriginalPIDSegment.Split(new string[] { "|" }, StringSplitOptions.None);
List <FieldHL7> listFields = new List <FieldHL7>();
for (int j = 0; j < fields.Length; j++)
{
listFields.Add(new FieldHL7(fields[j]));
}
string patName = "";
string birthdate = "";
string gender = "";
string ssn = "";
for (int j = 0; j < pidSegDef.hl7DefFields.Count; j++)
{
int itemOrder = pidSegDef.hl7DefFields[j].OrdinalPos;
if (itemOrder > listFields.Count - 1)
{
continue;
}
switch (pidSegDef.hl7DefFields[j].FieldName)
{
case "pat.nameLFM":
patName = listFields[itemOrder].GetComponentVal(1);
if (patName != "" && listFields[itemOrder].GetComponentVal(2) != "")
{
patName += " ";
}
patName += listFields[itemOrder].GetComponentVal(2);
if (patName != "" && listFields[itemOrder].GetComponentVal(0) != "")
{
patName += " ";
}
patName += listFields[itemOrder].GetComponentVal(0);
continue;
case "patBirthdateAge":
//LabCorp sends the birthdate and age in years, months, and days like yyyyMMdd^YYY^MM^DD
birthdate = FieldParser.DateTimeParse(listFields[itemOrder].GetComponentVal(0)).ToShortDateString();
continue;
case "pat.Gender":
gender = Lan.g("enumPatientGender", FieldParser.GenderParse(listFields[itemOrder].GetComponentVal(0)).ToString());
continue;
case "pat.SSN":
if (listFields[itemOrder].GetComponentVal(0).Length > 3)
{
ssn = "***-**-";
ssn += listFields[itemOrder].GetComponentVal(0).Substring(listFields[itemOrder].GetComponentVal(0).Length - 4, 4);
}
continue;
default:
continue;
}
}
bool isDuplicate = false;
for (int j = 0; j < listPats.Count; j++)
{
if (listPats[j].Length < 4) //should never happen
{
continue;
}
if (listPats[j][0] == patName && listPats[j][1] == birthdate && listPats[j][2] == gender && listPats[j][3] == ssn)
{
isDuplicate = true;
}
}
if (!isDuplicate)
{
listPats.Add(new string[] { patName, birthdate, gender, ssn });
}
}
return(listPats);
}