Clinical Document Architecture
2.0.1-sd - release
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
| Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Precondition | Version: 2.0.1-sd | |||
| Active as of 2025-04-04 | Computable Name: Precondition | |||
The precondition class, derived from the ActRelationship class, is used along with the Precondition class to express a condition that must hold true before some over activity occurs.
Usage:
Description of Template, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Precondition |
1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
  @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
 realmCode |
0..* | CS | ||
 typeId |
C | 0..1 | II | II-1: An II instance must have either a root or an nullFlavor. |
 @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @assigningAuthorityName |
0..1 | st | ||
| @displayable |
0..1 | bl | ||
| @root |
1..1 | oid, uuid, ruid | Fixed Value: 2.16.840.1.113883.1.3 | |
 @extension |
1..1 | st | ||
| templateId |
0..* | II | ||
| @typeCode |
0..1 | cs | Binding: CDAActRelationshipType (required) Fixed Value: PRCN | |
| criterion |
1..1 | Criterion | ||
| Documentation for this format | ||||
| Path | Conformance | ValueSet / Code | URI |
| Precondition.nullFlavor | required | CDANullFlavorhttp://hl7.org/cda/stds/core/ValueSet/CDANullFlavorfrom this IG | |
| Precondition.typeId.nullFlavor | required | CDANullFlavorhttp://hl7.org/cda/stds/core/ValueSet/CDANullFlavorfrom this IG | |
| Precondition.typeCode | required | Fixed Value: PRCNhttp://hl7.org/cda/stds/core/ValueSet/CDAActRelationshipTypefrom this IG |
| Id | Grade | Path(s) | Details | Requirements |
| II-1 | error | Precondition.typeId | An II instance must have either a root or an nullFlavor. : root.exists() or nullFlavor.exists() |
IG © 2019+ Health Level 7. Package hl7.cda.uv.core#2.0.1-sd based on FHIR 5.0.0. Generated 2025-04-04
Links: Table of Contents |
QA Report
| Version History 
|
|
Propose a change