f:Observation
extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-chart-sharing-group': maximum cardinality of 'extension' is 1
extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': minimum cardinality of 'extension' is 1
extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': maximum cardinality of 'extension' is 1
extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-estimated-gestational-age': maximum cardinality of 'extension' is 1
basedOn: maximum cardinality of 'basedOn' is 0
partOf: maximum cardinality of 'partOf' is 0
focus: maximum cardinality of 'focus' is 0
performer: maximum cardinality of 'performer' is 0
bodySite: maximum cardinality of 'bodySite' is 0
method: maximum cardinality of 'method' is 0
specimen: maximum cardinality of 'specimen' is 0
device: maximum cardinality of 'device' is 0
hasMember: maximum cardinality of 'hasMember' is 0
derivedFrom: maximum cardinality of 'derivedFrom' is 0
f:Observation/f:meta
id: maximum cardinality of 'id' is 1
versionId: maximum cardinality of 'versionId' is 1
lastUpdated: maximum cardinality of 'lastUpdated' is 1
source: maximum cardinality of 'source' is 1
f:Observation/f:referenceRange
low: maximum cardinality of 'low' is 0
high: maximum cardinality of 'high' is 0
type: maximum cardinality of 'type' is 0
appliesTo: maximum cardinality of 'appliesTo' is 0
age: maximum cardinality of 'age' is 0
f:Observation/f:component
interpretation: maximum cardinality of 'interpretation' is 0
referenceRange: maximum cardinality of 'referenceRange' is 0