## **📄️Address**  
Base StructureDefinition for Address Type: An address expressed using postal conventions (as opposed to GPS or other location definition formats). This data type may be used to convey addresses for use in delivering mail as well as for visiting locations which might not be valid for mail delivery.

## **📄️Age**  
Base StructureDefinition for Age Type: A duration of time during which an organism (or a process) has existed.

## **📄️Annotation**  
Base StructureDefinition for Annotation Type: A text note which also contains information about who made the statement and when.

## **📄️Attachment**  
Base StructureDefinition for Attachment Type: For referring to data content defined in other formats.

## **📄️CodeableConcept**  
Base StructureDefinition for CodeableConcept Type: A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.

## **📄️Coding**  
Base StructureDefinition for Coding Type: A reference to a code defined by a terminology system.

## **📄️ContactDetail**  
Base StructureDefinition for ContactDetail Type: Specifies contact information for a person or organization.

## **📄️ContactPoint**  
Base StructureDefinition for ContactPoint Type: Details for all kinds of technology mediated contact points for a person or organization, including telephone, email, etc.

## **📄️Contributor**  
Base StructureDefinition for Contributor Type: A contributor to the content of a knowledge asset, including authors, editors, reviewers, and endorsers.

## **📄️Count**  
Base StructureDefinition for Count Type: A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.

## **📄️DataRequirement**  
Base StructureDefinition for DataRequirement Type: Describes a required data item for evaluation in terms of the type of data, and optional code or date-based filters of the data.

## **📄️Distance**  
Base StructureDefinition for Distance Type: A length - a value with a unit that is a physical distance.

## **📄️Dosage**  
Base StructureDefinition for Dosage Type: Indicates how the medication is/was taken or should be taken by the patient.

## **📄️Duration**  
Base StructureDefinition for Duration Type: A length of time.

## **📄️ElementDefinition**  
Base StructureDefinition for ElementDefinition Type: Captures constraints on each element within the resource, profile, or extension.

## **📄️Expression**  
Base StructureDefinition for Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.

## **📄️Extension**  
Base StructureDefinition for Extension Type: Optional Extension Element - found in all resources.

## **📄️HumanName**  
Base StructureDefinition for HumanName Type: A human's name with the ability to identify parts and usage.

## **📄️Identifier**  
Base StructureDefinition for Identifier Type: An identifier - identifies some entity uniquely and unambiguously. Typically this is used for business identifiers.

## **📄️MarketingStatus**  
Base StructureDefinition for MarketingStatus Type: The marketing status describes the date when a medicinal product is actually put on the market or the date as of which it is no longer available.

## **📄️Meta**  
Base StructureDefinition for Meta Type: The metadata about a resource. This is content in the resource that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

## **📄️Money**  
Base StructureDefinition for Money Type: An amount of economic utility in some recognized currency.

## **📄️Narrative**  
Base StructureDefinition for Narrative Type: A human-readable summary of the resource conveying the essential clinical and business information for the resource.

## **📄️ParameterDefinition**  
Base StructureDefinition for ParameterDefinition Type: The parameters to the module. This collection specifies both the input and output parameters. Input parameters are provided by the caller as part of the $evaluate operation. Output parameters are included in the GuidanceResponse.

## **📄️Period**  
Base StructureDefinition for Period Type: A time period defined by a start and end date and optionally time.

## **📄️Population**  
Base StructureDefinition for Population Type: A population of people with some set of grouping criteria.

## **📄️ProdCharacteristic**  
Base StructureDefinition for ProdCharacteristic Type: The marketing status describes the date when a medicinal product is actually put on the market or the date as of which it is no longer available.

## **📄️ProductShelfLife**  
Base StructureDefinition for ProductShelfLife Type: The shelf-life and storage information for a medicinal product item or container can be described using this class.

## **📄️Quantity**  
Base StructureDefinition for Quantity Type: A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.

## **📄️Range**  
Base StructureDefinition for Range Type: A set of ordered Quantities defined by a low and high limit.

## **📄️Ratio**  
Base StructureDefinition for Ratio Type: A relationship of two Quantity values - expressed as a numerator and a denominator.

## **📄️Reference**  
Base StructureDefinition for Reference Type: A reference from one resource to another.

## **📄️RelatedArtifact**  
Base StructureDefinition for RelatedArtifact Type: Related artifacts such as additional documentation, justification, or bibliographic references.

## **📄️SampledData**  
Base StructureDefinition for SampledData Type: A series of measurements taken by a device, with upper and lower limits. There may be more than one dimension in the data.

## **📄️Signature**  
Base StructureDefinition for Signature Type: A signature along with supporting context. The signature may be a digital signature that is cryptographic in nature, or some other signature acceptable to the domain. This other signature may be as simple as a graphical image representing a hand-written signature, or a signature ceremony. Different signature approaches have different utilities.

## **📄️SubstanceAmount**  
Base StructureDefinition for SubstanceAmount Type: Chemical substances are a single substance type whose primary defining element is the molecular structure. Chemical substances shall be defined on the basis of their complete covalent molecular structure; the presence of a salt (counter-ion) and/or solvates (water, alcohols) is also captured. Purity, grade, physical form or particle size are not taken into account in the definition of a chemical substance or in the assignment of a Substance ID.

## **📄️Timing**  
Base StructureDefinition for Timing Type: Specifies an event that may occur multiple times. Timing schedules are used to record when things are planned, expected or requested to occur. The most common usage is in dosage instructions for medications. They are also used when planning care of various kinds, and may be used for reporting the schedule to which past regular activities were carried out.

## **📄️TriggerDefinition**  
Base StructureDefinition for TriggerDefinition Type: A description of a triggering event. Triggering events can be named events, data events, or periodic, as determined by the type element.

## **📄️UsageContext**  
Base StructureDefinition for UsageContext Type: Specifies clinical/business/etc. metadata that can be used to retrieve, index and/or categorize an artifact. This metadata can either be specific to the applicable population (e.g., age category, DRG) or the specific context of care (e.g., venue, care setting, provider of care).

## **📄️MoneyQuantity**  
An amount of money. With regard to precision, see Decimal Precision

## **📄️SimpleQuantity**  
A fixed quantity (no comparator)