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Specification:

FHIR Core (FHIR)
Raised in Version:

DSTU2
Work Group:

Patient Care
Related Artifact(s):

AllergyIntolerance
Related Section(s):
9.1.3 allergy
Resolution Description:

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Update the unknown code definition to be "The clinical certainty that the reaction was caused by the identified substance is unknown. It is an explicit assertion that certainty is not known."

Add a usage note that says "null means no information exists (although it could be in narrative). By contrast, the unknown code is used when there is an explicit assertion that certainty is not known, such as when a patient eats a meal and it is unknown which food caused the reaction."

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Update the unknown code definition to be "The clinical certainty that the reaction was caused by the identified substance is unknown. It is an explicit assertion that certainty is not known." Add a usage note that says "null means no information exists (although it could be in narrative). By contrast, the unknown code is used when there is an explicit assertion that certainty is not known, such as when a patient eats a meal and it is unknown which food caused the reaction."
Resolution Vote:
Rob/Stephen: 8-0-0
Change Category:
Clarification
Change Impact:
Non-substantive
Applied for Version:

DSTU2

Comment:

But the cardinality to certainty has a lower bound of zero: it's unclear how "unknown" differs from simple absence of a judgment. Explain or reject.

Summary:

How is unknown different from absence of judgement?

is voted on by

BALLOT-2804 Affirmative - Greg Staudenmaier : 2018-Sep-FHIR R1