initial commit

.gitignore

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+*.pyc

Readme.md

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+# Source Files for *Python, HL7 v2.x and HL7apy*
+
+Michael Sarfati, June 2015
+michael.sarfati@utoronto.ca
+

part1/parsing.py

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+# Michael Sarfati (michael.sarfati@utoronto.ca), June 20, 2015
+# http://msarfati.wordpress.com
+
+from hl7apy import parser
+from hl7apy.exceptions import UnsupportedVersion
+
+hl7 = open('sample.hl7', 'r').read()
+
+try:
+    m = parser.parse_message(hl7)
+except UnsupportedVersion:
+    m = parser.parse_message(hl7.replace("\n", "\r"))
+
+import datetime
+incoming_hl7 = {
+    "type": m.msh.msh_9.value,
+    "client_app": m.msh.msh_3.value,
+    "client_fac": m.msh.msh_4.value,
+    "control_id": m.msh.msh_10.value,
+    "process_id": m.msh.msh_11.value,
+    "timestamp": datetime.datetime.strptime(m.msh.msh_7.value, "%Y%m%d%H%M%S%f"),
+    "hl7": m,
+}

part1/sample.hl7

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+MSH|^~\&|SendingApp|SendingFac|ReceivingApp|ReceivingFac|2007509101832132||ADT^A01^ADT_A01|200760910183213200723|D|2.5
+EVN||2007509101832132
+PID|1||P410000^^^||""||196505|M|||^^^OR^97007
+PV1|1|I||||||||||||||||||||||||||||||||||||||||||200750816122536
+PV2|||^^^^POSSIBLE MENINGITIS OR CVA
+OBX|1|NM|21612-7^REPORTED PATIENT AGE^LN||40|a^Year^UCUM|||||F
+DG1|1||784.3^APHASIA^I9C||200750816|A
+DG1|2||784.0^HEADACHE^I9C||200750816|A
+DG1|3||781.6^MENINGISMUS^I9C||200750816|A

part2/orm_o01_construction.py

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+# Michael Sarfati (michael.sarfati@utoronto.ca), June 21, 2015
+# http://msarfati.wordpress.com
+"""
+This script constructs an HL7 ORM^O01 message of the following form:
+
+MSH|^~\&|SendingApp|SendingFac|ReceivingApp|ReceivingFac|20150414173000||ORM^O01^ORM_O01|168715|P|2.5
+PID|1|A-10001||B-10001|Doe^John
+ORC|||||||||20150414120000
+OBR|1|1|1100|||||||||||
+
+"""
+
+from hl7apy import core
+
+hl7 = core.Message("ORM_O01")
+
+hl7.msh.msh_3 = "SendingApp"
+hl7.msh.msh_4 = "SendingFac"
+hl7.msh.msh_5 = "ReceivingApp"
+hl7.msh.msh_6 = "ReceivingFac"
+hl7.msh.msh_9 = "ORM^O01^ORM_O01"
+hl7.msh.msh_10 = "168715"
+hl7.msh.msh_11 = "P"
+
+# PID
+hl7.add_group("ORM_O01_PATIENT")
+hl7.ORM_O01_PATIENT.pid.pid_2 = "1"
+hl7.ORM_O01_PATIENT.pid.pid_3 = "A-10001"
+hl7.ORM_O01_PATIENT.pid.pid_5 = "B-10001"
+hl7.ORM_O01_PATIENT.pid.pid_6 = "DOE^JOHN"
+
+# ORC
+hl7.ORM_O01_ORDER.orc.orc_1 = "1"
+hl7.ORM_O01_ORDER.ORC.orc_10 = "20150414120000"
+
+# OBR
+# We must explicitly add the OBR segment, then populate fields
+hl7.ORM_O01_ORDER.ORM_O01_ORDER_DETAIL.ORM_O01_OBSERVATION.ORM_O01_ORDER_CHOICE.add_segment("OBR")
+
+hl7.ORM_O01_ORDER.ORM_O01_ORDER_DETAIL.ORM_O01_OBSERVATION.ORM_O01_ORDER_CHOICE.OBR.obr_2 = "1"
+hl7.ORM_O01_ORDER.ORM_O01_ORDER_DETAIL.ORM_O01_OBSERVATION.ORM_O01_ORDER_CHOICE.OBR.obr_3 = "2"
+hl7.ORM_O01_ORDER.ORM_O01_ORDER_DETAIL.ORM_O01_OBSERVATION.ORM_O01_ORDER_CHOICE.OBR.obr_4 = "1100"
+
+assert hl7.validate() is True
+# Returns True

part2/sample-orm.hl7

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+MSH|^~\&|SendingApp|SendingFac|ReceivingApp|ReceivingFac|20150414173000||ORM^O01^ORM_O01|168715|P|2.5
+PID|1|A-10001||B-10001|Doe^John
+ORC|||||||||20150414120000
+OBR|1|1|1100|||||||||||