Clinical Document Architecture
2.0.1 - active

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

Logical Model: PQ - Detailed Descriptions

Active as of 2023-10-03

Definitions for the PQ logical model.

Guidance on how to interpret the contents of this table can be found here

0. PQ
Definition

A dimensioned quantity expressing the result of a measurement act.

Control1..*
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
2. PQ.unit
Definition

The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].

Control0..1
Typecode(cs: Coded Simple Value)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelUnit of Measure
Default Value1
4. PQ.value
Definition

The magnitude of the quantity measured in terms of the unit.

Control0..1
Typedecimal(real: Real Number)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelMaginitude Value
6. PQ.translation
Definition

An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.

Control0..*
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQR
LabelTranslation

Guidance on how to interpret the contents of this table can be found here

0. PQ
Definition

A dimensioned quantity expressing the result of a measurement act.


Base definition for all types defined in FHIR type system.

ShortBase for all types and resources
Control10..*
Is Modifierfalse
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
2. PQ.unit
Definition

The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].

Control0..1
Typecode(cs: Coded Simple Value)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelUnit of Measure
Default Value1
4. PQ.value
Definition

The magnitude of the quantity measured in terms of the unit.

Control0..1
Typedecimal(real: Real Number)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelMaginitude Value
6. PQ.translation
Definition

An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.

Control0..*
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQR
LabelTranslation

Guidance on how to interpret the contents of this table can be found here

0. PQ
Definition

A dimensioned quantity expressing the result of a measurement act.

ShortBase for all types and resources
Control1..*
Is Modifierfalse
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
2. PQ.nullFlavor
Definition

If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.

Control0..1
BindingThe codes SHALL be taken from NullFlavor
Typecode(cs: Coded Simple Value)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelExceptional Value Detail
4. PQ.unit
Definition

The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].

Control0..1
Typecode(cs: Coded Simple Value)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelUnit of Measure
Default Value1
6. PQ.value
Definition

The magnitude of the quantity measured in terms of the unit.

Control0..1
Typedecimal(real: Real Number)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelMaginitude Value
8. PQ.translation
Definition

An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.

Control0..*
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQR
LabelTranslation