Medicolegal Death Investigation (MDI) FHIR Implementation Guide
3.0.0-draft - CI Build
Medicolegal Death Investigation (MDI) FHIR Implementation Guide
3.0.0-draft - CI Build
Medicolegal Death Investigation (MDI) FHIR Implementation Guide, published by HL7 International / Public Health. This guide is not an authorized publication; it is the continuous build for version 3.0.0-draft built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-mdi-ig/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/fhir/us/mdi/StructureDefinition/Extension-tracking-number | Version: 3.0.0-draft | |||
| Standards status: Trial-use | Maturity Level: 3 | Computable Name: ExtensionTrackingNumber | ||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.11.42.14 | ||||
Tracking number, such as a case number or file number assigned by an MDI CMS or EDRS, and can represent other tracking numbers, if required.
Context of Use
This extension may be used on the following element(s)
Composition
DiagnosticReport
Usage info
Usages:
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Tracking Numbers Extension | |
  extension |
0..0 | |||
| url |
S | 1..1 | uri | "http://hl7.org/fhir/us/mdi/StructureDefinition/Extension-tracking-number" |
  value[x] |
S | 0..1 | Identifier | Value of extension |
 type |
S | 0..1 | CodeableConcept | Tracking Number Type (extensible value set) Binding: Tracking Number Type (extensible) |
| system |
S | 0..1 | uri | The namespace for the identifier value |
 value |
S | 0..1 | string | The value that is unique |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Tracking Numbers Extension | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
S | 1..1 | uri | "http://hl7.org/fhir/us/mdi/StructureDefinition/Extension-tracking-number" |
| value[x] |
S | 0..1 | Identifier | Value of extension |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . |
| type |
SΣ | 0..1 | CodeableConcept | Tracking Number Type (extensible value set) Binding: Tracking Number Type (extensible) |
| system |
SΣ | 0..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient |
| value |
SΣ | 0..1 | string | The value that is unique Example General: 123456 |
| period |
Σ | 0..1 | Period | Time period when id is/was valid for use |
 assigner |
Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Tracking Numbers Extension | |
| extension |
0..0 | |||
| url |
S | 1..1 | uri | "http://hl7.org/fhir/us/mdi/StructureDefinition/Extension-tracking-number" |
| value[x] |
S | 0..1 | Identifier | Value of extension |
| type |
S | 0..1 | CodeableConcept | Tracking Number Type (extensible value set) Binding: Tracking Number Type (extensible) |
| system |
S | 0..1 | uri | The namespace for the identifier value |
| value |
S | 0..1 | string | The value that is unique |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Tracking Numbers Extension | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
S | 1..1 | uri | "http://hl7.org/fhir/us/mdi/StructureDefinition/Extension-tracking-number" |
| value[x] |
S | 0..1 | Identifier | Value of extension |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . |
| type |
SΣ | 0..1 | CodeableConcept | Tracking Number Type (extensible value set) Binding: Tracking Number Type (extensible) |
| system |
SΣ | 0..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient |
| value |
SΣ | 0..1 | string | The value that is unique Example General: 123456 |
| period |
Σ | 0..1 | Period | Time period when id is/was valid for use |
| assigner |
Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
| Path | Conformance | ValueSet | URI |
| Extension.value[x].use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1From the FHIR Standard | |
| Extension.value[x].type | extensible | VSTrackingNumberTypehttp://hl7.org/fhir/us/mdi/ValueSet/vs-tracking-number-typeFrom this IG |
| 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()) | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
IG © 2023+ HL7 International / Public Health. Package hl7.fhir.us.mdi#3.0.0-draft based on FHIR 4.0.1. Generated 2025-07-03
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