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Questions tagged [hl7-v2]

HL7 version 2.x messages are standardized structured multi-line text files using single character as delimiters. HL7 messages are used for exchanging elecronic health information.

139 questions
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Using carriage return in a HL7 message

The carriage return character (alias , \r or \x0d) is the designated segment terminator in a HL7 message. Therefore this character is prohibited to be used in a field. However, some data may consist of line breaks. How is a line break encoded…
RamboNo5
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Need sample message for HL7 V2.7

I am looking for sample Hl7 V2.7 mesage for learning purpose, have not found in internet. Could some one please give one some sample message. Thanks
user1321939
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Hl7 difference visit number, account number, encounter number

I am having trouble decipher the differences between key concepts in hl7. Would someone be kind enough to explain the differences in what the following are: What is a visit? Where is the visit number typically located? What is an encounter number…
Villumanati
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Testing HL7 Messages

I am in the process of implementing an HL7 Module in our EMR, but I am confused as how to test the messages. I was looking at LabCorp and Surescripts and was unable to find a testing Api or a module, it seems like I will have to deal with bit of…
heyyan khan
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How to convert HL7 v2.x message to FHIR JSON?

I am trying to convert HL7 v2.x message to FHIR JSON using java or python. But I am not able to find any solution. Is there any way to achieve this? I found that FHIR is capable of converting to JSON but I don't know how to do that.
animal
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How to use Escape character in hl7 message

I am using ca.uhn.hl7v2.util.Terser to create hl7 message. For one of the hl7 fields I need to set the following value "\home\one\two". HL7 message type is MDM_T02(version is 2.3.1). Because "\" is an escape character in hl7 messages if I try to…
Kilarapu Yethendra
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How to identify devices with HL7?

I am looking for HL7 messages by which I can identify the vendor and type of devices I have in my network (e.g. Medlink - Xray, Alaris - IV pump). Are there any specific messages I should be looking at to achieve this? Are the PRT segment and OBX-18…
DaTaBomB
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HL7 2.X Standard Ackknowledgement

I am trying to write an HL7 message parser that will send a specified acknowledgment back to a messaging engine so that my applicaiton may receive the next message in line. The interface engine that is sending the messages is call VISTA (has anyone…
daiglebagel
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What do brackets and braces mean in HL7 segments?

I'm working on a project that involves HL7 messages. I've been reading the documentation to understand what the different kind of segments mean. I've come across three different kinds of syntax when looking at the documents, they are below: What is…
AndreasKralj
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HL7 Conformance Profile Options

Are there any tools out there available that can be used to create conformance Profile other than Messaging Workbench (MWB). So far this is the only tool that I have found I am having a difficult time creating a conformance profile on for a…
Villumanati
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Is using ASCII 10 inside a HL7 segment a valid way to represent a new line?

Placing an ASCII 10 (0A) character somewhere inside of a segment of an HL7 message to represent a new line character. Is this valid? From what I can see it is recommend to use \X0D\ or \X0D0A\ to represent a new line character for plain text format…
Ay Rue
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How to identify HL7 order request(ORM) message corresponding to response message(ORR)

I am into HL7 parser development and still learning HL7. Read articles regarding Orders but still not clear about how to identify the HL7 order request corresponding to HL7 order response message. Additional Info: About 'MessageControlId' in MSH…
Vidya
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Does HL7 V2.X message with multiple OBR segments have same placer order and filler order number?

As a part of HL7 parser development, need to know whether the placer order and filler order number of multiple OBR segments in a HL7 message will be same. Read theory about placer and filler order number in the internet. But was not able to find…
Vidya
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HL7 parser to parse v2.7 messages in java

I'm looking for a HL7 parser that would parse v2.7 messages. I have tried Hapi but it has support only upto v2.6. Can you anyone please provide any suggestions in parsing v2.7 messages?
user3293794
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HL7 v2X and v3 data modeling

The company I work for has started a new initiative in HL7 where we are trading both v2X and v3 (CDA specifically) messages. I am at the point where I am able to accept, validate and acknowledge the messages we are receiving from our trading…
Ritley572
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