Clinical Document Architecture
2.0.1-sd - release

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

Logical Model: IVL_PQ: Interval (V3 Data Type)

Official URL: http://hl7.org/cda/stds/core/StructureDefinition/IVL-PQ Version: 2.0.1-sd
Active as of 2025-10-02 Computable Name: IVL_PQ

A set of consecutive values of an ordered base data type.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Template Content

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

This structure is derived from PQ

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... @unit 0..1 cs
... @value 0..1 real
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... width 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
IVL_PQ.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... @unit 0..1 cs
... @value 0..1 real
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... width 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
IVL_PQ.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())

This structure is derived from PQ

Summary

Structures

This structure refers to these other structures:

Differential View

This structure is derived from PQ

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... @unit 0..1 cs
... @value 0..1 real
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... width 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
IVL_PQ.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. IVL_PQ C 1..* PQ XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, @unit, @value, translation
Binding: This type can be bound to a value set using the CDA binding style
Instances of this logical model are not marked to be the target of a Reference
Logical Container: ClinicalDocument (CDA Class)
Constraints: ivl-pq-center
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... @unit 0..1 cs
... @value 0..1 real
... @operator 0..1 cs Binding: CDASetOperator (required)
... low 0..1 IVXB_PQ
... center 0..1 PQ
... width 0..1 PQ
... high 0..1 IVXB_PQ

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
IVL_PQ.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
IVL_PQ.operator Base required CDASetOperator 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
ivl-pq-center error IVL_PQ Center cannot co-exist with low or high center.empty() or (low.empty() and high.empty())

This structure is derived from PQ

Summary

Structures

This structure refers to these other structures:

 

Other representations of profile: CSV, Excel