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

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Data Type Profile: st: Character String

The character string data type stands for text data, primarily intended for machine processing (e.g. sorting, querying, indexing, etc.) Used for names, symbols, and formal expressions.

Usage:

• Use this PrimitiveType Constraint: AD: PostalAddress (V3 Data Type), CD: ConceptDescriptor (V3 Data Type), ClinicalDocument (CDA Class), ED: EncapsulatedData (V3 Data Type)... Show 5 more, EN: EntityName (V3 Data Type), II: InstanceIdentifier (V3 Data Type), InfrastructureRoot (Base Type for all CDA Classes), SC: CharacterStringWithCode (V3 Data Type) and ST: CharacterString (V3 Data Type)

Formal Views of Template Content

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

• Key Elements Table
• Differential Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from string

Name	Flags	Card.	Type	Description & Constraints
string			string
id		0..0
extension		0..0
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
string		0..*	string	Primitive Type string ele-1: All FHIR elements must have a @value or children
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Name	Flags	Card.	Type	Description & Constraints
string		0..*	string	Primitive Type string
value		0..1	string	Primitive value for string Max Length:1048576
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from string

Summary

Prohibited: 2 elements

Differential View

This structure is derived from string

Name	Flags	Card.	Type	Description & Constraints
string			string
id		0..0
extension		0..0
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
string		0..*	string	Primitive Type string ele-1: All FHIR elements must have a @value or children
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
string		0..*	string	Primitive Type string
value		0..1	string	Primitive value for string Max Length:1048576
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from string

Summary

Prohibited: 2 elements

Other representations of profile: CSV, Excel, Schematron