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HL7 Documentation

HL7 Documentation

The objective of this assignment is to get practice with HL7’s document standards, particularly CDA and HL7 V2. The assignment will be broken into two parts: For each part you will be given an HL7 documentation and will be asked to complete some questions about it. Your submission will be a single PDF with answers to the questions below.

Part 1: CDA XML Documentation

The assignment file was distributed with another file called CDASample01.xml. This XML file is a CDA-encoded clinical encounter, and you are required to answer the following questions about it.

  1. There are 5 participants in the header of the message. Identify each header participant, and the HL7 V3 RIM classes that are associated with each of them. (15 points)
  2. In the procedures there is an observation about a “colonic polypectomy” being performed. Provide the complete SNOMED compositional grammar format of the procedure (11 points)
  3. Provide the patient’s most recent BMI (4 points)
  4. In the results section there is a set of blood tests (CBC WO DIFFERENTIAL) with 3 values. Provide the XML code that should be added to this section for an additional outcome of a blood iron level of 12 micromol/L, and the line number at which you would add it (15 points)

Part 2: HL7 V2 Documentation

At the bottom of this assignment is a completed HL7 V2 message, about which you will answer the following questions:

  1. What is the message type for this message? (4 points)
  2. What is the patient’s ID? (2 points)
  3. There are four types of segments in this message, what are they? (4 points)
  4. The first OBX line has a SNOMED coded value, but the last 5 don’t: provide the SNOMED codes for the OBX lines 2-6 (10 points)
  5. Add an additional segment to the message that records the patient’s wife (Martha Johnston) as his next of kin (15 points)

Part 3: HL7 V2 vs V3

You’ve scoured through both a version 2 and a version 3 message, and explored the documentation for both. Provide a ½ – 1 page write-up on the advantages and disadvanages of using V3 messaging over V2.(20 points)

 

 

MSH | ^ ~\& |VSM001 |MIRTH_CONNECT |HIS001 |MIRTH_CONNECT |20100511220525 | |ORU ^R01 |MSG0000001 |P |2.5 | | |NE |NE |CO |8859/1 |ES-CO

PID | |6537077 |6537077 ^ ^ ^ ^CC | |ANDRES FELIPE ^FERNANDEZ CORTES | |19860705 |M

OBR |1 | |VS12340000 |28562-7 ^Vital Signs ^LN

OBX |1 |NM |271649006 ^Systolic blood pressure ^SNOMED-CT | |132 |mm[Hg] |90-120 |H | | |F | | |20100511220525

OBX |2 |NM |Diastolic blood pressure | |86 |mm[Hg] |60-80 |H | | |F | | |20100511220525

OBX |3 |NM |Mean blood pressure | |94 |mm[Hg] |92-96 |N | | |F | | |20100511220525

OBX |4 |NM |Body temperature | |37 |C |37 |N | | |F | | |20100511220525

OBX |5 |NM |Pulse rate | |80 |bpm |60-100 |N | | |F | | |20100511220525

OBX |6 |NM |SpO2 ^SNOMED-CT | |90 |% |94-100 |L | | |F | | |20100511220525

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Category: Sample Questions