special-values — CodeSystems — FHIR Core package — FHIR IG

SpecialValues

draftFHIR Core package4.3.0complete6 concepts

A set of generally useful codes defined so they can be included in value sets.

Metadata

Code	Display	Definition
`true`	true	Boolean true.
`false`	false	Boolean false.
`trace`	Trace Amount Detected	The content is greater than zero, but too small to be quantified.
`sufficient`	Sufficient Quantity	The specific quantity is not known, but is known to be non-zero and is not specified because it makes up the bulk of the material.
`withdrawn`	Value Withdrawn	The value is no longer available.
`nil-known`	Nil Known	The are no known applicable values in this context.