Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	Observation	Measurements and simple assertions dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-5: If a resource is contained in another resource, it SHALL NOT have a security label dom-6: A resource should have narrative for robust management obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation. ele-1: All FHIR elements must have a @value or children Required Pattern: final
code	Σ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. ele-1: All FHIR elements must have a @value or children Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 1296886006
coding	Σ	1..1	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
subject	Σ	1..1	Reference(RareLink IPS Patient)	Who and/or what the observation is about ele-1: All FHIR elements must have a @value or children
reference	SΣC	0..1	string	Literal reference, Relative, internal or absolute URL ele-1: All FHIR elements must have a @value or children
identifier	SΣ	0..1	Identifier	Logical reference, when literal reference is not known ele-1: All FHIR elements must have a @value or children
value[x]	ΣC	1..1	CodeableConcept	Actual result ele-1: All FHIR elements must have a @value or children
coding	Σ	1..1	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
system	Σ	0..1	uri	Identity of the terminology system ele-1: All FHIR elements must have a @value or children Required Pattern: http://snomed.info/sct
code	Σ	0..1	code	Symbol in syntax defined by the system Binding: Karyotypic Sex Value Set (required) ele-1: All FHIR elements must have a @value or children
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