This page is part of the US Drug Formulary (v2.0.0: STU 2) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 2.1.0. For a full list of available versions, see the Directory of published versions
| Active as of 2022-08-25 | 
Definitions for the usdf-AdditionalCoverageInformation-extension extension.
| 1. Extension | |
| Definition | Additional drug coverage information that may include conditional coverage requirements such as a diagnosis pre-requisite, additional drug specific cost sharing information, or other coverage details not otherwise indicated. | 
| Control | 0..* This element is affected by the following invariants: ele-1 | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists()) | 
| 2. Extension.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | 
| Control | 0..1 | 
| Type | string | 
| 3. Extension.extension | |
| Definition | An Extension | 
| Control | 0..0 | 
| Type | Extension | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists()) | 
| Slicing | This element introduces a set of slices on Extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
 | 
| 4. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. | 
| Control | 1..1 | 
| Type | uri | 
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. | 
| Fixed Value | http://hl7.org/fhir/us/davinci-drug-formulary/StructureDefinition/usdf-AdditionalCoverageInformation-extension | 
| 5. Extension.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). | 
| Control | 1..1 | 
| Type | markdown | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Must Support | true | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) |