C.4.13 Performed Procedure Step Relationship
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### C.4.13 Performed Procedure Step Relationship

Table C.4-13 specifies the Attributes used to reference other SOP Classes and other Information Entities of the DICOM real-world model as defined in Section 7.3.1.6.

Table C.4-13. Performed Procedure Step Relationship Module Attributes

Attribute Name | Tag | Attribute Description
--- | --- | ---
Patient's Name | (0010,0010) | Patient's full legal name.
Patient ID | (0010,0020) | Primary hospital identification number or code for the patient.
Include Table 10-18 “Issuer of Patient ID Macro Attributes” |
Patient's Birth Date | (0010,0030) | Date of birth of the named patient
Patient's Sex | (0010,0040) | Sex of the named Patient Enumerated Values: M male F female O other
Referenced Patient Sequence | (0008,1120) | Uniquely identifies the Patient SOP Instance. Only a single Item shall be included in this sequence.
>Include Table 10-11 “SOP Instance Reference Macro Attributes” |
Service Episode ID | (0038,0060) | Identifier of the Service Episode as assigned by the healthcare provider
Issuer of Service Episode ID Sequence | (0038,0064) | Identifier of the Assigning Authority that issued the Service Episode ID. Only a single Item shall be included in this sequence.
>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes” |
Service Episode Description | (0038,0062) | Description of the type of service episode.
Scheduled Step Attributes Sequence | (0040,0270) | Sequence containing attributes that are related to the scheduling of the Procedure Step. One or more Items shall be included in this sequence.
>Study Instance UID | (0020,000D) | Unique identifier for the Study.
>Referenced Study Sequence | (0008,1110) | Uniquely identifies the Study SOP Instance associated with this Scheduled Procedure Step. Only a single Item shall be included in this sequence. See Section 10.6.1.
>>Include Table 10-11 “SOP Instance Reference Macro Attributes” |
>Accession Number | (0008,0050) | A departmental IS generated number that identifies the order for the Study.
>Issuer of Accession Number Sequence | (0008,0051) | Identifier of the Assigning Authority that issued the Accession Number. Only a single Item shall be included in this sequence.
>>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes” |
>Placer Order Number/Imaging Service Request | (0040,2016) | The order number assigned to the Imaging Service Request by the party placing the order.
>Order Placer Identifier Sequence | (0040,0026) | Identifier of the Assigning Authority that issued the Placer Order Number. Only a single Item shall be included in this sequence.
>>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes” |
>Filler Order Number/Imaging Service Request | (0040,2017) | The order number assigned to the Imaging Service Request by the party filling the order.
>Order Filler Identifier Sequence | (0040,0027) | Identifier of the Assigning Authority that issued the Filler Order Number. Only a single Item shall be included in this sequence.
>>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes” |
>Requested Procedure ID | (0040,1001) | Identifier of the related Requested Procedure.
>Requested Procedure Description | (0032,1060) | Institution-generated administrative description or classification of Requested Procedure.
>Requested Procedure Code Sequence | (0032,1064) | A sequence that conveys the Procedure Type of the requested procedure. Only a single Item shall be included in this sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | No Baseline CID is defined.
>Scheduled Procedure Step ID | (0040,0009) | Identifier of the related Scheduled Procedure Step.
>Scheduled Procedure Step Description | (0040,0007) | Institution-generated description or classification of the Scheduled Procedure Step to be performed.
>Scheduled Protocol Code Sequence | (0040,0008) | Sequence describing the Scheduled Protocol following a specific coding scheme. One or more Items shall be included in this sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | No Baseline CID is defined.
>>Protocol Context Sequence | (0040,0440) | Sequence that specifies the context for the Scheduled Protocol Code Sequence Item. One or more items shall be included in this sequence. See Section C.4.10.1.
>>>Include Table 10-2 “Content Item Macro Attributes Description” | No Baseline TID is defined.
>>>Content Item Modifier Sequence | (0040,0441) | Sequence that specifies modifiers for a Protocol Context Content Item. One or more items shall be included in this sequence. See Section C.4.10.1.
>>>>Include Table 10-2 “Content Item Macro Attributes Description” | No Baseline TID is defined.

### Note

1. The patient information is included in order to relate the Modality Performed Procedure Step SOP Instance to the Study Management SOP Instance and other associated IODs in case the SCU (the modality) is unable to obtain or use the Study Instance UID created by the Information System.2. Attributes (0040,2016) and (0040,2017) Placer Order Number and Filler Order Number/Imaging Service Request are intended to convey the corresponding order numbers as defined in HL7, in the case where interoperability with an HL7 environment is the objective.

2. Attributes (0040,2006) and (0040,2007) were previously defined in DICOM. They are now retired (see PS3.3-1998).

3. Attributes (0040,1006) Placer Order Number/Procedure and (0040,1007) Filler Order Number/Procedure were previously defined in DICOM. They are now retired (see PS3.3-1998).

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