Why do we use ConformanceProfile in Hl7(Hapi)?

StackOverflow https://stackoverflow.com/questions/16828428

  •  30-05-2022
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Question

Why do we use the ConformanceProfile in Hl7 parsers? As well as what is the difference between using,DefaultValidation and No Validation in HapiContext? If i use, NoValidation and If my message has invalid tags it should parse or fail?

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Solution

Understand this way, I create a Healthcare PMS application and I want to generate ADT messages, But I cannot generate any arbirtary message without any defined structure or cardinality. Thats when I will create "Specification for my application" to specify What I can send from and recieve or accept in my application.

A conformance profile in hapi is like the application specs fed into the conformance tables (in .xml format), which generates a message definition allowing you to specify maximum field lengths, required cardinalities.

If you are using Test Panel for HAPI you will understand that If you feed a message and use Validate:Default, then it perform a validation of the input message on a profile that HAPI has.

No Validation will not perform any validation against any profiles that exist. A simple example will outline it. There is a field called "Set ID" (PV1.1 in below segment)

PV1|1|O|NDE^^^^Ambulatory(s)^NMHOSP|R||||

That field will always be numeric. If otherwise I specify no validation, then I can feed anything in the Set ID it can be an alphabet as well.

So this PV1|1|O|NDE^^^^Ambulatory(s)^NMHOSP|R|||| will parse in Default or Using any other conformance profile

But this

PV1|A|O|NDE^^^^Ambulatory(s)^NMHOSP|R|||| will only parse in No Validation and will fail in Default.

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