http://terminology.hl7.org/CodeSystem/v2-0257|2.9

name
v2.0257
package
hl7.fhir.r4.core@4.0.1
content
complete
status
active

v2 Nature of Challenge

FHIR Value set/code system definition for HL7 v2 table 0257 ( Nature of Challenge)

codedisplaydefinitionhierarchy
CFSTFasting (no calorie intake) for the period specified in the time component of the term, e.g., 1H POST CFST
EXCZExercise undertaken as challenge (can be quantified)
FFSTNo fluid intake for the period specified in the time component of the term