German Practice Management FHIR Profiles (R4)
Version 0.101.6 - release

Extension: Technique Parameter

Official URL: https://fhir.cognovis.de/praxis/StructureDefinition/technique-parameter Version: 0.101.6
Active as of 2026-09-11 Computable Name: TechniqueParameterExt
Other Identifiers: OID:2.16.840.1.113883.3.7985.42.318

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Workflow-relevante Aufnahmetechnik-Parameter einer Bildserie. Erfasst kV und mAs fuer Roentgen/CT, TR und TE fuer MRT, Schichtdicke und optionale Freitext-Notizen. Keine Duplikation von DICOM-Header-Daten — nur workflow-relevante Felder.

Context of Use

This extension may be used on the following element(s):

  • Element ID ImagingStudy.series

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Complex Extension: Workflow-relevante Aufnahmetechnik-Parameter einer Bildserie. Erfasst kV und mAs fuer Roentgen/CT, TR und TE fuer MRT, Schichtdicke und optionale Freitext-Notizen. Keine Duplikation von DICOM-Header-Daten — nur workflow-relevante Felder.

  • kv: decimal: Spitzenspannung der Roentgenroehre in Kilovolt (kV). Relevant fuer Roentgen- und CT-Aufnahmen.
  • mas: decimal: Roehrenladung in Milliamperesekunden (mAs). Relevant fuer Roentgen- und CT-Aufnahmen.
  • tr-ms: decimal: Repetitionszeit (Repetition Time, TR) in Millisekunden fuer MRT-Sequenzen.
  • te-ms: decimal: Echozeit (Echo Time, TE) in Millisekunden fuer MRT-Sequenzen.
  • slice-thickness-mm: decimal: Schichtdicke der Bildserie in Millimeter. Relevant fuer Schichtaufnahmen (CT, MRT).
  • modality-specific-notes: string: Optionale Freitext-Notizen zu modalitaets-spezifischen Technikparametern, die durch die strukturierten Felder nicht abgedeckt werden.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Technique Parameter
... Slices for extension Content/Rules for all slices
.... extension:kv 0..1 Extension Spitzenspannung (kV)
..... extension 0..0 Extension
..... url 1..1 uri "kv"
..... value[x] 0..1 decimal Value of extension
.... extension:mas 0..1 Extension Milliamperesekunden (mAs)
..... extension 0..0 Extension
..... url 1..1 uri "mas"
..... value[x] 0..1 decimal Value of extension
.... extension:tr-ms 0..1 Extension Repetitionszeit TR (ms)
..... extension 0..0 Extension
..... url 1..1 uri "tr-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:te-ms 0..1 Extension Echozeit TE (ms)
..... extension 0..0 Extension
..... url 1..1 uri "te-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:slice-thickness-mm 0..1 Extension Schichtdicke (mm)
..... extension 0..0 Extension
..... url 1..1 uri "slice-thickness-mm"
..... value[x] 0..1 decimal Value of extension
.... extension:modality-specific-notes 0..1 Extension Modalitaets-spezifische Techniknotizen
..... extension 0..0 Extension
..... url 1..1 uri "modality-specific-notes"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "https://fhir.cognovis.de/praxis/StructureDefinition/technique-parameter"
... value[x] 0..0 Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Technique Parameter
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:kv 0..1 Extension Spitzenspannung (kV)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "kv"
..... value[x] 0..1 decimal Value of extension
.... extension:mas 0..1 Extension Milliamperesekunden (mAs)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "mas"
..... value[x] 0..1 decimal Value of extension
.... extension:tr-ms 0..1 Extension Repetitionszeit TR (ms)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "tr-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:te-ms 0..1 Extension Echozeit TE (ms)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "te-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:slice-thickness-mm 0..1 Extension Schichtdicke (mm)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "slice-thickness-mm"
..... value[x] 0..1 decimal Value of extension
.... extension:modality-specific-notes 0..1 Extension Modalitaets-spezifische Techniknotizen
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "modality-specific-notes"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "https://fhir.cognovis.de/praxis/StructureDefinition/technique-parameter"

doco Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: Workflow-relevante Aufnahmetechnik-Parameter einer Bildserie. Erfasst kV und mAs fuer Roentgen/CT, TR und TE fuer MRT, Schichtdicke und optionale Freitext-Notizen. Keine Duplikation von DICOM-Header-Daten — nur workflow-relevante Felder.

  • kv: decimal: Spitzenspannung der Roentgenroehre in Kilovolt (kV). Relevant fuer Roentgen- und CT-Aufnahmen.
  • mas: decimal: Roehrenladung in Milliamperesekunden (mAs). Relevant fuer Roentgen- und CT-Aufnahmen.
  • tr-ms: decimal: Repetitionszeit (Repetition Time, TR) in Millisekunden fuer MRT-Sequenzen.
  • te-ms: decimal: Echozeit (Echo Time, TE) in Millisekunden fuer MRT-Sequenzen.
  • slice-thickness-mm: decimal: Schichtdicke der Bildserie in Millimeter. Relevant fuer Schichtaufnahmen (CT, MRT).
  • modality-specific-notes: string: Optionale Freitext-Notizen zu modalitaets-spezifischen Technikparametern, die durch die strukturierten Felder nicht abgedeckt werden.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Technique Parameter
... Slices for extension Content/Rules for all slices
.... extension:kv 0..1 Extension Spitzenspannung (kV)
..... extension 0..0 Extension
..... url 1..1 uri "kv"
..... value[x] 0..1 decimal Value of extension
.... extension:mas 0..1 Extension Milliamperesekunden (mAs)
..... extension 0..0 Extension
..... url 1..1 uri "mas"
..... value[x] 0..1 decimal Value of extension
.... extension:tr-ms 0..1 Extension Repetitionszeit TR (ms)
..... extension 0..0 Extension
..... url 1..1 uri "tr-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:te-ms 0..1 Extension Echozeit TE (ms)
..... extension 0..0 Extension
..... url 1..1 uri "te-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:slice-thickness-mm 0..1 Extension Schichtdicke (mm)
..... extension 0..0 Extension
..... url 1..1 uri "slice-thickness-mm"
..... value[x] 0..1 decimal Value of extension
.... extension:modality-specific-notes 0..1 Extension Modalitaets-spezifische Techniknotizen
..... extension 0..0 Extension
..... url 1..1 uri "modality-specific-notes"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "https://fhir.cognovis.de/praxis/StructureDefinition/technique-parameter"
... value[x] 0..0 Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Technique Parameter
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:kv 0..1 Extension Spitzenspannung (kV)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "kv"
..... value[x] 0..1 decimal Value of extension
.... extension:mas 0..1 Extension Milliamperesekunden (mAs)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "mas"
..... value[x] 0..1 decimal Value of extension
.... extension:tr-ms 0..1 Extension Repetitionszeit TR (ms)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "tr-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:te-ms 0..1 Extension Echozeit TE (ms)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "te-ms"
..... value[x] 0..1 decimal Value of extension
.... extension:slice-thickness-mm 0..1 Extension Schichtdicke (mm)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "slice-thickness-mm"
..... value[x] 0..1 decimal Value of extension
.... extension:modality-specific-notes 0..1 Extension Modalitaets-spezifische Techniknotizen
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "modality-specific-notes"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "https://fhir.cognovis.de/praxis/StructureDefinition/technique-parameter"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id Grade Path(s) Description Expression
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()