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Re: [Gnumed-devel] HL7 OBX result messages that involve multiple lines e

From: Karsten Hilbert
Subject: Re: [Gnumed-devel] HL7 OBX result messages that involve multiple lines esp Microbiology
Date: Thu, 14 Feb 2008 03:04:22 +0100

> Seeing below, it appears that LOINC 19803-6 is used above as "Site"  
> and they have re-interpreted 6463-4 to imply "Culture". The problem  
> is that there is one OBX per antibiotic making none of their LOINCs  
> unique to the test_type, also "Urine culture" has no LOINC so we are  
> back to the problem of the test_code or test_panel
It is probably best to really have test_panel.

> and it feels very  
> arbitrary how to reliably get the multiple OBX into one multipline  
> val_alpha unless the observation subid (OBX|1, OBX|2 etc) can  
> reliably be the basis to trigger this.
Sure, why not. OTOH HL7 likely isn't a fully relational structure and
much depends on ordering of lines. IOW, all OBX followed by something
other than OBX belong to their preceding OBR.

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