DICOM Standard Browser

Computed Radiography ImageCIOD
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CT Performed Procedure ProtocolCIOD
PatientMModule - Patient
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Protocol ContextMModule - Procedure Protocol
(0008,0012) Instance Creation Date1Date
(0008,0013) Instance Creation Time1Time
(0008,0220) Responsible Group Code Sequence2Sequence
(0018,1030) Protocol Name1Long String
(0018,9906) Potential Scheduled Protocol Code Sequence3Sequence
(0018,9907) Potential Requested Procedure Code Sequence3Sequence
(0018,9908) Potential Reasons for Procedure3Unlimited Characters
(0018,9909) Potential Reasons for Procedure Code Sequence3Sequence
(0018,990A) Potential Diagnostic Tasks3Unlimited Characters
(0018,990B) Contraindications Code Sequence3Sequence
(0018,990E) Predecessor Protocol Sequence3Sequence
(0008,1150) Referenced SOP Class UID1Unique Identifier
(0008,1155) Referenced SOP Instance UID1Unique Identifier
(0018,990F) Protocol Planning Information3Unlimited Text
(0018,9910) Protocol Design Rationale3Unlimited Text
(0040,A07C) Custodial Organization Sequence3Sequence
(0070,0084) Content Creator's Name1Person Name
(0070,0086) Content Creator's Identification Code Sequence3Sequence
Patient Protocol ContextUModule - Procedure Protocol
InstructionsUModule - Procedure Protocol
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Performed CT AcquisitionUModule - Procedure Protocol
Performed CT ReconstructionUModule - Procedure Protocol
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SOP CommonMModule - Procedure Protocol
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Confocal Microscopy Tiled Pyramidal ImageCIOD
Basic DirectoryCIOD
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Built with by Innolitics, a team of medical imaging software developers.

Data synced with official DICOM standard on 18 April 2024. The DICOM Standard is under continuous maintenance, and the current official version is available at http://www.dicomstandard.org/current/. DICOM Parts 3, 4, and 6, © NEMA. Please note that the most recent PDF version of the standard is the official reference, and should checked when making technical decisions.

Predecessor Protocol Sequence Attribute

Tag(0018,990E)
TypeOptional (3)
KeywordPredecessorProtocolSequence
Value Multiplicity1
Value RepresentationSequence (SQ)

Defined or Performed Procedure Protocol Instances from which this Defined Procedure Protocol was derived.

See Section C.34.2.1.

This Attribute is not present in Performed Procedure Protocol Instances since the Referenced Defined Protocol Sequence (0018,990C) is used instead.

One or more Items are permitted in this Sequence.

Section C.34.2.1

C.34.2.1 Predecessor Protocol Sequence

A Protocol may be a derivation of another Protocol (the "predecessor"). For example, a Protocol may be originally published as a non-model-specific Protocol for a certain purpose. Subsequently, a new Protocol may be derived from the original by making it specific to a certain model of scanner. Derivation may involve adjusting constraints or specifying additional constraints. If a Protocol no longer satisfies any of the indications of the Predecessor Protocol from which it was derived, the Predecessor shall not be referenced in this Sequence.

Note

Including predecessor information makes it possible to filter a set of Protocols, for example to list all Protocols that are derived versions of a certain known Protocol (e.g., ACRIN 6678), or list only the one that has been specialized for a specific model of equipment.

Sites that receive a generic Protocol might create a specialized variant to fit their local practice and avoid the tech having to make selections/changes each time it is used.

Only the immediate predecessor shall be referenced, but more than one predecessor may be referenced if multiple distinct predecessors were merged.