FHIR Chat · Observation.valueRatio question · implementers

Stream: implementers

Topic: Observation.valueRatio question


view this post on Zulip Charles Frankston (May 20 2020 at 19:01):

So we've got an HL7 measurement:
OBX|8|SN|516-5^TMP SMX Islt MIC^LN^^^^2.67^^Trimethoprim + Sulfamethoxazole|1|<=^1^/^19|mcg/mL||S|||F| ...

Note the <=^1^/^19. So I think this should be be a valueRatio in FHIR, represented as a https://www.hl7.org/fhir/datatypes.html#Ratio. But where does the "<=" part go? The numerator, the denominator, both, or is valueRatio just the wrong way to represent this?

view this post on Zulip Lloyd McKenzie (May 20 2020 at 19:23):

In Ratio, the numerator and denominator are both Quantity - check out Quantity.comparitor

view this post on Zulip Charles Frankston (May 20 2020 at 21:39):

So yes, that's the question -- both numerator and denominator have a Quantity.comparator. Which one gets the '<="?

view this post on Zulip Lloyd McKenzie (May 20 2020 at 22:51):

I would presume the numerator


Last updated: Apr 12 2022 at 19:14 UTC