Clinical Document Architecture - Local Development build (v2.0.1-sd-202510-matchbox-patch) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
| Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Entry | Version: 2.0.1-sd-202510-matchbox-patch | |||
| Active as of 2025-10-29 | Computable Name: Entry | |||
CDA entries represent the structured computer-processable components within a document section. Each section can contain zero to many entries.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Template, Differentials, Snapshots and how the different presentations work.
This structure is derived from InfrastructureRoot
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
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C | 1..* | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: entry-only-one  | 
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0..1 | cs | Binding: x_ActRelationshipEntry (required) | |
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0..1 | bl | Fixed Value: true | |
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1..1 | |||
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0..1 | Act | ||
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0..1 | Encounter | ||
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0..1 | Observation | ||
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0..1 | ObservationMedia | ||
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0..1 | Organizer | ||
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0..1 | Procedure | ||
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0..1 | RegionOfInterest | ||
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0..1 | SubstanceAdministration | ||
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0..1 | Supply | ||
  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| II-1 | error | Entry.typeId | An II instance must have either a root or an nullFlavor. | 
      root.exists() or nullFlavor.exists()
     | 
  
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| II-1 | error | Entry.typeId | An II instance must have either a root or an nullFlavor. | 
      root.exists() or nullFlavor.exists()
     | 
  
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
This structure is derived from InfrastructureRoot
Differential View
This structure is derived from InfrastructureRoot
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 1..* | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: entry-only-one  | 
![]() ![]()  | 
0..1 | cs | Binding: x_ActRelationshipEntry (required) | |
![]() ![]()  | 
0..1 | bl | Fixed Value: true | |
![]() ![]()  | 
1..1 | |||
![]() ![]() ![]()  | 
0..1 | Act | ||
![]() ![]() ![]()  | 
0..1 | Encounter | ||
![]() ![]() ![]()  | 
0..1 | Observation | ||
![]() ![]() ![]()  | 
0..1 | ObservationMedia | ||
![]() ![]() ![]()  | 
0..1 | Organizer | ||
![]() ![]() ![]()  | 
0..1 | Procedure | ||
![]() ![]() ![]()  | 
0..1 | RegionOfInterest | ||
![]() ![]() ![]()  | 
0..1 | SubstanceAdministration | ||
![]() ![]() ![]()  | 
0..1 | Supply | ||
  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
Key Elements View
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| II-1 | error | Entry.typeId | An II instance must have either a root or an nullFlavor. | 
      root.exists() or nullFlavor.exists()
     | 
  
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
Snapshot View
| Path | Status | Usage | ValueSet | Version | Source | 
| Entry.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd-202510-matchbox-patch | This IG | 
| Entry.typeCode | Base | required | x_ActRelationshipEntry | 📦2.0.0 | THO v5.3 | 
| Id | Grade | Path(s) | Description | Expression | 
| II-1 | error | Entry.typeId | An II instance must have either a root or an nullFlavor. | 
      root.exists() or nullFlavor.exists()
     | 
  
| entry-only-one | error | Entry | SHALL have no more than one of act, encounter, observation, observationMedia, organizer, procedure, regionOfInterest, substanceAdministration, or supply. | 
      (act | encounter | observation | observationMedia | organizer | procedure | regionOfInterest | substanceAdministration | supply).count() = 1
     | 
  
This structure is derived from InfrastructureRoot