Substance 
meta 
extension 
versionId lastUpdated source profile security Binding: ?? (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
tag Binding: ?? (example): Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones".
implicitRules language Binding: ?? (preferred): A human language.
text This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained extension 
modifierExtension identifier status Binding: ?? (required): A code to indicate if the substance is actively used.
category Binding: ?? (extensible): Category or classification of substance.
code Binding: ?? (preferred): 最新參考代碼清單請參考[此檔案]。
extension coding text description instance extension modifierExtension identifier expiry quantity Constraints: sqty-1
ingredient 
extension modifierExtension quantity extension numerator extension value comparator Binding: ?? (required): How the Quantity should be understood and represented.
unit system code Binding: ?? (required): 放射治療總劑量單位的代碼範圍請參考[Common UCUM units]。
denominator 
substance[x] Binding: ?? (preferred): 最新參考代碼清單請參考[此檔案]。
substanceCodeableConcept
substanceReference Documentation for this format