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Logical Model: IVL_PQ - Detailed Descriptions

Active as of 2024-08-29

Definitions for the IVL-PQ logical model.

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

0. IVL_PQ
Control1..*
Logical ContainerADHA ClinicalDocument (CDA Class)
binding styleThis type can be bound to a value set using the CDA binding style
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsivl-pq-center: Center cannot co-exist with low or high (center.empty() or (low.empty() and high.empty()))
2. IVL_PQ.operator
Definition

A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.

Control0..1
BindingThe codes SHALL be taken from CDASetOperator
(required to http://hl7.org/cda/stds/core/ValueSet/CDASetOperator)
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.
Default ValueI
4. IVL_PQ.low
Definition

This is the low limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelLow Boundary
6. IVL_PQ.center
Definition

The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelCentral Value
8. IVL_PQ.width
Definition

The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelWidth
10. IVL_PQ.high
Definition

This is the high limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelHigh Boundary

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

0. IVL_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
Logical ContainerADHA ClinicalDocument (CDA Class)
binding styleThis type can be bound to a value set using the CDA binding style
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsivl-pq-center: Center cannot co-exist with low or high (center.empty() or (low.empty() and high.empty()))
2. IVL_PQ.operator
Definition

A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.

Control0..1
BindingThe codes SHALL be taken from CDASetOperator
(required to http://hl7.org/cda/stds/core/ValueSet/CDASetOperator)
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.
Default ValueI
4. IVL_PQ.low
Definition

This is the low limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelLow Boundary
6. IVL_PQ.center
Definition

The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelCentral Value
8. IVL_PQ.width
Definition

The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelWidth
10. IVL_PQ.high
Definition

This is the high limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelHigh Boundary

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

0. IVL_PQ
Definition

A dimensioned quantity expressing the result of a measurement act.

ShortBase for all types and resources
Control1..*
Is Modifierfalse
Logical ContainerADHA ClinicalDocument (CDA Class)
binding styleThis type can be bound to a value set using the CDA binding style
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsivl-pq-center: Center cannot co-exist with low or high (center.empty() or (low.empty() and high.empty()))
2. IVL_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 CDANullFlavor
(required to http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor)
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. IVL_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. IVL_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. IVL_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
10. IVL_PQ.operator
Definition

A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.

Control0..1
BindingThe codes SHALL be taken from CDASetOperator
(required to http://hl7.org/cda/stds/core/ValueSet/CDASetOperator)
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.
Default ValueI
12. IVL_PQ.low
Definition

This is the low limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelLow Boundary
14. IVL_PQ.center
Definition

The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelCentral Value
16. IVL_PQ.width
Definition

The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/PQ
LabelWidth
18. IVL_PQ.high
Definition

This is the high limit of the interval.

Control0..1
Typehttp://hl7.org/cda/stds/core/StructureDefinition/IVXB-PQ
LabelHigh Boundary