Clinical Document Architecture, published by Health Level 7. This is not an authorized publication; it is the continuous build for version 2.0.1). This version is based on the current content of https://github.com/HL7/CDA-core-2.0/ and changes regularly. See the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML

Logical Model: PQ: PhysicalQuantity (V3 Data Type)

A dimensioned quantity expressing the result of measuring.

Usage:

• Derived from this Logical Model Profile: IVXB_PQ: Interval Boundary PhysicalQuantity (V3 Data Type)
• Use this Logical Model Profile: Criterion (CDA Class), IVL_PQ: Interval (V3 Data Type), IVL_TS: Interval (V3 Data Type), Observation (CDA Class)... Show 5 more, ObservationRange (CDA Class), PIVL_TS: PeriodicIntervalOfTime (V3 Data Type), PlayingEntity (CDA Class), RTO_PQ_PQ: Ratio (V3 Data Type) and Supply (CDA Class)

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from QTY

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@nullFlavor		0..1	cs	Binding: NullFlavor (required)
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet
PQ.nullFlavor	required	NullFlavor

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from QTY

Summary

Structures

This structure refers to these other structures:

• cs: Coded Simple Value (http://hl7.org/cda/stds/core/StructureDefinition/cs-simple)
• real: Real Number (http://hl7.org/cda/stds/core/StructureDefinition/real-simple)

Differential View

This structure is derived from QTY

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
PQ		1..*	QTY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@nullFlavor		0..1	cs	Binding: NullFlavor (required)
@unit		0..1	cs
@value		0..1	real
translation		0..*	PQR
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet
PQ.nullFlavor	required	NullFlavor

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from QTY

Summary

Structures

This structure refers to these other structures:

• cs: Coded Simple Value (http://hl7.org/cda/stds/core/StructureDefinition/cs-simple)
• real: Real Number (http://hl7.org/cda/stds/core/StructureDefinition/real-simple)

Other representations of profile: CSV, Excel