DICOM PS3.4 2021b - Service Class Specifications

B.5 Standard SOP Classes (Current)
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## B.5 Standard SOP Classes

The SOP Classes in the Storage Service Class identify the Composite IODs to be stored. Table B.5-1 identifies Standard SOP Classes.

Table B.5-1. Standard SOP Classes

SOP Class Name | SOP Class UID | IOD Specification (defined in PS3.3) | Specialization
--- | --- | --- | ---
Computed Radiography Image Storage | 1.2.840.10008.5.1.4.1.1.1 | Computed Radiography Image IOD |
Digital X-Ray Image Storage - For Presentation | 1.2.840.10008.5.1.4.1.1.1.1 | Digital X-Ray Image IOD | B.5.1.1
Digital X-Ray Image Storage - For Processing | 1.2.840.10008.5.1.4.1.1.1.1.1 | Digital X-Ray Image IOD | B.5.1.1
Digital Mammography X-Ray Image Storage - For Presentation | 1.2.840.10008.5.1.4.1.1.1.2 | Digital Mammography X-Ray Image IOD | B.5.1.2
Digital Mammography X-Ray Image Storage - For Processing | 1.2.840.10008.5.1.4.1.1.1.2.1 | Digital Mammography X-Ray Image IOD | B.5.1.2
Digital Intra-Oral X-Ray Image Storage - For Presentation | 1.2.840.10008.5.1.4.1.1.1.3 | Digital Intra-Oral X-Ray Image IOD | B.5.1.3
Digital Intra-Oral X-Ray Image Storage - For Processing | 1.2.840.10008.5.1.4.1.1.1.3.1 | Digital Intra-Oral X-Ray Image IOD | B.5.1.3
CT Image Storage | 1.2.840.10008.5.1.4.1.1.2 | CT Image IOD |
Enhanced CT Image Storage | 1.2.840.10008.5.1.4.1.1.2.1 | Enhanced CT Image IOD | B.5.1.7 B.5.1.23
Legacy Converted Enhanced CT Image Storage | 1.2.840.10008.5.1.4.1.1.2.2 | Legacy Converted Enhanced CT Image IOD | B.5.1.7 B.5.1.23
Ultrasound Multi-frame Image Storage | 1.2.840.10008.5.1.4.1.1.3.1 | Ultrasound Multi-frame Image IOD |
MR Image Storage | 1.2.840.10008.5.1.4.1.1.4 | MR Image IOD |
Enhanced MR Image Storage | 1.2.840.10008.5.1.4.1.1.4.1 | Enhanced MR Image IOD | B.5.1.6 B.5.1.23
MR Spectroscopy Storage | 1.2.840.10008.5.1.4.1.1.4.2 | MR Spectroscopy IOD |
Enhanced MR Color Image Storage | 1.2.840.10008.5.1.4.1.1.4.3 | Enhanced MR Color Image IOD | B.5.1.8 B.5.1.23
Legacy Converted Enhanced MR Image Storage | 1.2.840.10008.5.1.4.1.1.4.4 | Legacy Converted Enhanced MR Image IOD | B.5.1.6 B.5.1.23
Ultrasound Image Storage | 1.2.840.10008.5.1.4.1.1.6.1 | Ultrasound Image IOD |
Enhanced US Volume Storage | 1.2.840.10008.5.1.4.1.1.6.2 | Enhanced US Volume IOD |
Secondary Capture Image Storage | 1.2.840.10008.5.1.4.1.1.7 | Secondary Capture Image IOD |
Multi-frame Single Bit Secondary Capture Image Storage | 1.2.840.10008.5.1.4.1.1.7.1 | Multi-frame Single Bit Secondary Capture Image IOD |
Multi-frame Grayscale Byte Secondary Capture Image Storage | 1.2.840.10008.5.1.4.1.1.7.2 | Multi-frame Grayscale Byte Secondary Capture Image IOD |
Multi-frame Grayscale Word Secondary Capture Image Storage | 1.2.840.10008.5.1.4.1.1.7.3 | Multi-frame Grayscale Word Secondary Capture Image IOD |
Multi-frame True Color Secondary Capture Image Storage | 1.2.840.10008.5.1.4.1.1.7.4 | Multi-frame True Color Secondary Capture Image IOD |
12-lead ECG Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.1.1 | 12-Lead ECG IOD |
General ECG Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.1.2 | General ECG IOD |
Ambulatory ECG Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.1.3 | Ambulatory ECG IOD |
Hemodynamic Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.2.1 | Hemodynamic Waveform IOD |
Cardiac Electrophysiology Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.3.1 | Basic Cardiac Electrophysiology Waveform IOD |
Basic Voice Audio Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.4.1 | Basic Voice Audio Waveform IOD |
General Audio Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.4.2 | General Audio Waveform IOD |
Arterial Pulse Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.5.1 | Arterial Pulse Waveform IOD |
Respiratory Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.6.1 | Respiratory Waveform IOD |
Multi-channel Respiratory Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.6.2 | Multi-channel Respiratory Waveform IOD |
Routine Scalp Electroencephalogram Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.7.1 | Routine Scalp Electroencephalogram IOD |
Electromyogram Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.7.2 | Electromyogram IOD |
Electrooculogram Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.7.3 | Electrooculogram IOD |
Sleep Electroencephalogram Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.7.4 | Sleep Electroencephalogram IOD |
Body Position Waveform Storage | 1.2.840.10008.5.1.4.1.1.9.8.1 | Body Position Waveform IOD |
Grayscale Softcopy Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.1 | Grayscale Softcopy Presentation State IOD |
Color Softcopy Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.2 | Color Softcopy Presentation State IOD |
Pseudo-Color Softcopy Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.3 | Pseudo-color Softcopy Presentation State IOD |
Blending Softcopy Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.4 | Blending Softcopy Presentation State IOD |
XA/XRF Grayscale Softcopy Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.5 | XA/XRF Grayscale Softcopy Presentation State IOD |
Grayscale Planar MPR Volumetric Presentation State Storage | 1.2.840.10008.​5.​1.​4.​1.​1.​11.​6 | Planar MPR Volumetric Presentation State IOD | B.5.1.19
Compositing Planar MPR Volumetric Presentation State Storage | 1.2.840.10008.​5.​1.​4.​1.​1.​11.​7 | Planar MPR Volumetric Presentation State IOD | B.5.1.19
Advanced Blending Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.8 | Advanced Blending Presentation State IOD |
Volume Rendering Volumetric Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.9 | Volume Rendering Volumetric Presentation State IOD | B.5.1.24
Segmented Volume Rendering Volumetric Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.10 | Volume Rendering Volumetric Presentation State IOD | B.5.1.24
Multiple Volume Rendering Volumetric Presentation State Storage | 1.2.840.10008.5.1.4.1.1.11.11 | Volume Rendering Volumetric Presentation State IOD | B.5.1.24
X-Ray Angiographic Image Storage | 1.2.840.10008.5.1.4.1.1.12.1 | X-Ray Angiographic Image IOD |
Enhanced XA Image Storage | 1.2.840.10008.5.1.4.1.1.12.1.1 | Enhanced XA Image IOD |
X-Ray Radiofluoroscopic Image Storage | 1.2.840.10008.5.1.4.1.1.12.2 | X-Ray Radiofluoroscopic Image IOD |
Enhanced XRF Image Storage | 1.2.840.10008.5.1.4.1.1.12.2.1 | Enhanced XRF Image IOD |
X-Ray 3D Angiographic Image Storage | 1.2.840.10008.5.1.4.1.1.13.1.1 | X-Ray 3D Angiographic Image IOD |
X-Ray 3D Craniofacial Image Storage | 1.2.840.10008.5.1.4.1.1.13.1.2 | X-Ray 3D Craniofacial Image IOD |
Breast Tomosynthesis Image Storage | 1.2.840.10008.5.1.4.1.1.13.1.3 | Breast Tomosynthesis Image IOD |
Breast Projection X-Ray Image Storage - For Presentation | 1.2.840.10008.5.1.4.1.1.13.1.4 | Breast Projection X-Ray Image IOD | B.5.1.18
Breast Projection X-Ray Image Storage - For Processing | 1.2.840.10008.5.1.4.1.1.13.1.5 | Breast Projection X-Ray Image IOD | B.5.1.18
Intravascular Optical Coherence Tomography Image Storage - For Presentation | 1.2.840.10008.5.1.4.1.1.14.1 | Intravascular Optical Coherence Tomography IOD | B.5.1.13
Intravascular Optical Coherence Tomography Image Storage - For Processing | 1.2.840.10008.5.1.4.1.1.14.2 | Intravascular Optical Coherence Tomography IOD | B.5.1.13
Nuclear Medicine Image Storage | 1.2.840.10008.5.1.4.1.1.20 | Nuclear Medicine Image IOD |
Parametric Map Storage | 1.2.840.10008.5.1.4.1.1.30 | Parametric Map IOD |
Raw Data Storage | 1.2.840.10008.5.1.4.1.1.66 | Raw Data IOD | B.5.1.22
Spatial Registration Storage | 1.2.840.10008.5.1.4.1.1.66.1 | Spatial Registration IOD |
Spatial Fiducials Storage | 1.2.840.10008.5.1.4.1.1.66.2 | Spatial Fiducials IOD |
Deformable Spatial Registration Storage | 1.2.840.10008.5.1.4.1.1.66.3 | Deformable Spatial Registration IOD |
Segmentation Storage | 1.2.840.10008.5.1.4.1.1.66.4 | Segmentation IOD |
Surface Segmentation Storage | 1.2.840.10008.5.1.4.1.1.66.5 | Surface Segmentation IOD |
Tractography Results Storage | 1.2.840.10008.5.1.4.1.1.66.6 | Tractography Results IOD |
Real World Value Mapping Storage | 1.2.840.10008.5.1.4.1.1.67 | Real World Value Mapping IOD |
Surface Scan Mesh Storage | 1.2.840.10008.5.1.4.1.1.68.1 | Surface Scan Mesh IOD |
Surface Scan Point Cloud Storage | 1.2.840.10008.5.1.4.1.1.68.2 | Surface Scan Point Cloud IOD |
VL Endoscopic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.1 | VL Endoscopic Image IOD |
Video Endoscopic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.1.1 | Video Endoscopic Image IOD |
VL Microscopic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.2 | VL Microscopic Image IOD |
Video Microscopic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.2.1 | Video Microscopic Image IOD |
VL Slide-Coordinates Microscopic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.3 | VL Slide-Coordinates Microscopic Image IOD |
VL Photographic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.4 | VL Photographic Image IOD |
Video Photographic Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.4.1 | Video Photographic Image IOD |
Ophthalmic Photography 8 Bit Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.1 | Ophthalmic Photography 8 Bit Image IOD |
Ophthalmic Photography 16 Bit Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.2 | Ophthalmic Photography 16 Bit Image IOD |
Stereometric Relationship Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.3 | Stereometric Relationship IOD |
Ophthalmic Tomography Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.4 | Ophthalmic Tomography Image IOD |
Wide Field Ophthalmic Photography Stereographic Projection Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.5 | Wide Field Ophthalmic Photography Stereographic Projection Image IOD |
Wide Field Ophthalmic Photography 3D Coordinates Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.6 | Wide Field Ophthalmic Photography 3D Coordinates Image IOD |
Ophthalmic Optical Coherence Tomography En Face Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.7 | Ophthalmic Optical Coherence Tomography En Face Image IOD |
Ophthalmic Optical Coherence Tomography B-scan Volume Analysis Storage | 1.2.840.10008.5.1.4.1.1.77.1.5.8 | Ophthalmic Optical Coherence Tomography B-scan Volume Analysis IOD |
VL Whole Slide Microscopy Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.6 | VL Whole Slide Microscopy Image IOD |
Dermoscopic Photography Image Storage | 1.2.840.10008.5.1.4.1.1.77.1.7 | Dermoscopic Photography Image IOD |
Lensometry Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.1 | Lensometry Measurements IOD |
Autorefraction Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.2 | Autorefraction Measurements IOD |
Keratometry Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.3 | Keratometry Measurements IOD |
Subjective Refraction Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.4 | Subjective Refraction Measurements IOD |
Visual Acuity Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.5 | Visual Acuity Measurements IOD |
Spectacle Prescription Report Storage | 1.2.840.10008.5.1.4.1.1.78.6 | Spectacle Prescription Report IOD |
Ophthalmic Axial Measurements Storage | 1.2.840.10008.5.1.4.1.1.78.7 | Ophthalmic Axial Measurements IOD |
Intraocular Lens Calculations Storage | 1.2.840.10008.5.1.4.1.1.78.8 | Intraocular Lens Calculations IOD |
Macular Grid Thickness and Volume Report | 1.2.840.10008.5.1.4.1.1.79.1 | Macular Grid Thickness and Volume Report IOD |
Ophthalmic Visual Field Static Perimetry Measurements Storage | 1.2.840.10008.5.1.4.1.1.80.1 | Ophthalmic Visual Field Static Perimetry Measurements IOD |
Ophthalmic Thickness Map Storage | 1.2.840.10008.5.1.4.1.1.81.1 | Ophthalmic Thickness Map IOD |
Corneal Topography Map Storage | 1.2.840.10008.5.1.4.1.1.82.1 | Corneal Topography Map IOD | B.5.1.17
Basic Text SR Storage | 1.2.840.10008.5.1.4.1.1.88.11 | Basic Text SR IOD |
Enhanced SR Storage | 1.2.840.10008.5.1.4.1.1.88.22 | Enhanced SR IOD |
Comprehensive SR Storage | 1.2.840.10008.5.1.4.1.1.88.33 | Comprehensive SR IOD |
Comprehensive 3D SR Storage | 1.2.840.10008.5.1.4.1.1.88.34 | Comprehensive 3D SR IOD |
Extensible SR Storage | 1.2.840.10008.5.1.4.1.1.88.35 | Extensible SR IOD |
Procedure Log Storage | 1.2.840.10008.5.1.4.1.1.88.40 | Procedure Log IOD |
Mammography CAD SR Storage | 1.2.840.10008.5.1.4.1.1.88.50 | Mammography CAD SR IOD |
Key Object Selection Document Storage | 1.2.840.10008.5.1.4.1.1.88.59 | Key Object Selection Document IOD |
Chest CAD SR Storage | 1.2.840.10008.5.1.4.1.1.88.65 | Chest CAD SR IOD |
X-Ray Radiation Dose SR Storage | 1.2.840.10008.5.1.4.1.1.88.67 | X-Ray Radiation Dose SR IOD |
Radiopharmaceutical Radiation Dose SR Storage | 1.2.840.10008.5.1.4.1.1.88.68 | Radiopharmaceutical Radiation Dose SR IOD |
Colon CAD SR Storage | 1.2.840.10008.5.1.4.1.1.88.69 | Colon CAD SR IOD |
Implantation Plan SR Document Storage | 1.2.840.10008.5.1.4.1.1.88.70 | Implantation Plan SR Document IOD |
Acquisition Context SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​71 | Acquisition Context SR IOD |
Simplified Adult Echo SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​72 | Simplified Adult Echo SR IOD |
Patient Radiation Dose SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​73 | Patient Radiation Dose SR IOD |
Planned Imaging Agent Administration SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​74 | Planned Imaging Agent Administration SR IOD |
Performed Imaging Agent Administration SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​75 | Performed Imaging Agent Administration SR IOD |
Enhanced X-Ray Radiation Dose SR Storage | 1.2.840.10008.5.​1.​4.​1.​1.​88.​76 | Patient Radiation Dose SR IOD |
Content Assessment Results Storage | 1.2.840.10008.5.1.4.1.1.90.1 | Content Assessment Results IOD | B.5.1.20
Encapsulated PDF Storage | 1.2.840.10008.5.1.4.1.1.104.1 | Encapsulated PDF IOD |
Encapsulated CDA Storage | 1.2.840.10008.5.1.4.1.1.104.2 | Encapsulated CDA IOD |
Encapsulated STL Storage | 1.2.840.10008.5.1.4.1.1.104.3 | Encapsulated STL IOD |
Encapsulated OBJ Storage | 1.2.840.10008.5.1.4.1.1.104.4 | Encapsulated OBJ IOD |
Encapsulated MTL Storage | 1.2.840.10008.5.1.4.1.1.104.5 | Encapsulated MTL IOD |
Positron Emission Tomography Image Storage | 1.2.840.10008.5.1.4.1.1.128 | Positron Emission Tomography Image IOD |
Enhanced PET Image Storage | 1.2.840.10008.5.1.4.1.1.130 | Enhanced PET Image IOD | B.5.1.16 B.5.1.23
Legacy Converted Enhanced PET Image Storage | 1.2.840.10008.5.1.4.1.1.128.1 | Legacy Converted Enhanced PET Image IOD | B.5.1.23
Basic Structured Display Storage | 1.2.840.10008.5.1.4.1.1.131 | Basic Structured Display IOD | B.5.1.9
CT Performed Procedure Protocol Storage | 1.2.840.10008.5.1.4.1.1.200.2 | CT Performed Procedure Protocol IOD | B.5.1.21
XA Performed Procedure Protocol Storage | 1.2.840.10008.5.1.4.1.1.200.8 | XA Performed Procedure Protocol IOD | B.5.1.21
RT Image Storage | 1.2.840.10008.5.1.4.1.1.481.1 | RT Image IOD |
RT Dose Storage | 1.2.840.10008.5.1.4.1.1.481.2 | RT Dose IOD |
RT Structure Set Storage | 1.2.840.10008.5.1.4.1.1.481.3 | RT Structure Set IOD |
RT Beams Treatment Record Storage | 1.2.840.10008.5.1.4.1.1.481.4 | RT Beams Treatment Record IOD |
RT Plan Storage | 1.2.840.10008.5.1.4.1.1.481.5 | RT Plan IOD |
RT Brachy Treatment Record Storage | 1.2.840.10008.5.1.4.1.1.481.6 | RT Brachy Treatment Record IOD |
RT Treatment Summary Record Storage | 1.2.840.10008.5.1.4.1.1.481.7 | RT Treatment Summary Record IOD |
RT Ion Plan Storage | 1.2.840.10008.5.1.4.1.1.481.8 | RT Ion Plan IOD |
RT Ion Beams Treatment Record Storage | 1.2.840.10008.5.1.4.1.1.481.9 | RT Ion Beams Treatment Record IOD |
RT Physician Intent Storage | 1.2.840.10008.5.1.4.1.1.481.10 | RT Physician Intent IOD |
RT Segment Annotation Storage | 1.2.840.10008.5.1.4.1.1.481.11 | RT Segment Annotation IOD |
RT Radiation Set Storage | 1.2.840.10008.5.1.4.1.1.481.12 | RT Radiation Set IOD |
C-Arm Photon-Electron Radiation Storage | 1.2.840.10008.5.1.4.1.1.481.13 | C-Arm Photon-Electron Radiation IOD |
Tomotherapeutic Radiation Storage | 1.2.840.10008.5.1.4.1.1.481.14 | Tomotherapeutic Radiation IOD |
Robotic-Arm Radiation Storage | 1.2.840.10008.5.1.4.1.1.481.15 | Robotic-Arm Radiation IOD |
RT Radiation Record Set Storage | 1.2.840.10008.5.1.4.1.1.481.16 | RT Radiation Record Set IOD |
RT Radiation Salvage Record Storage | 1.2.840.10008.5.1.4.1.1.481.17 | RT Radiation Salvage Record IOD |
Tomotherapeutic Radiation Record Storage | 1.2.840.10008.5.1.4.1.1.481.18 | Tomotherapeutic Radiation Record IOD |
C-Arm Photon-Electron Radiation Record Storage | 1.2.840.10008.5.1.4.1.1.481.19 | C-Arm Photon-Electron Radiation Record IOD |
Robotic Radiation Record Storage | 1.2.840.10008.5.1.4.1.1.481.20 | Robotic-Arm Radiation Record IOD |
RT Beams Delivery Instruction Storage | 1.2.840.10008.5.1.4.34.7 | RT Beams Delivery Instruction IOD |
RT Brachy Application Setup Delivery Instruction Storage | 1.2.840.10008.5.1.4.34.10 | RT Brachy Application Setup Delivery Instruction IOD |

### Note

The Generic Implant Template Storage, Implant Assembly Template Storage, and Implant Template Group Storage SOP Classes were formerly specified in this table, incorrectly since they do not use the Patient / Study / Series / Instance information model. Those have been consolidated into the Non-Patient Object Storage Service Class (see Annex GG).

### B.5.1 Specialization for Standard SOP Classes

#### B.5.1.1 Digital X-Ray Image Storage SOP Classes

The Digital X-Ray Image Storage - For Presentation SOP Class shall use the DX IOD with an Enumerated Value of FOR PRESENTATION for Presentation Intent Type (0008,0068).

The Digital X-Ray Image Storage - For Processing SOP Class shall use the DX IOD with an Enumerated Value of FOR PROCESSING for Presentation Intent Type (0008,0068).

An SCU or SCP of the Digital X-Ray Image Storage - For Processing SOP Class shall also support the Digital X-Ray Image Storage - For Presentation SOP Class in the same role.

### Note

1. The intent of this requirement is to ensure a useful level of interoperability by avoiding the situation where an SCU might support only the Digital X-Ray Image Storage - For Processing SOP Class and an SCP only the Digital X-Ray Image Storage - For Presentation SOP Class, or vice versa. The burden is therefore to support the Digital X-Ray Image Storage - For Presentation SOP Class as a "baseline".

2. The term "support" is used in this section in the sense that an SCU or SCP must be capable of sending or receiving the For Presentation SOP Class. There is no intent to imply that an SCU must always send an instance of the For Presentation SOP Class when an instance of the For Processing SOP Class is sent.

   Nor is there any intent to imply that during Association establishment, that a Presentation Context for the For Presentation SOP Class has to be proposed by the initiator. However, an association acceptor may reject a For Presentation SOP Class Presentation Context if it accepts a For Processing SOP Class Presentation Context, and prefers that SOP Class, in which case it may no longer be able to "pass on" the object later as an SCU unless it is able to generate a For Presentation object.

   It is not possible for an SCP to determine from proposed Presentation Contexts whether or not an SCU "supports" (is capable of sending) both For Processing and For Presentation SOP Class Instances. Such a determination requires a priori knowledge of the information contained in the Conformance Statement for the SCU, as well as how the SCU is configured and operated. An SCU that supports both SOP Classes may well choose to only propose one or the other during Association establishment, depending on which Instances it actually intends to send over that particular association (although the SCU must be capable of sending instances of the For Presentation SOP Class if the SCP does not accept the For Processing).

   The intent of the requirement is that if an SCU is only capable of sending the For Presentation SOP Class, any SCP will be guaranteed to be able to receive it. Conversely, if an SCP is only capable of receiving the For Presentation SOP Class, any SCU will be guaranteed to be able to send it.

#### B.5.1.2 Digital Mammography X-Ray Image Storage SOP Classes

The Digital Mammography X-Ray Image Storage - For Presentation SOP Class shall use the Digital Mammography IOD with an Enumerated Value of FOR PRESENTATION for Presentation Intent Type (0008,0068).

The Digital Mammography X-Ray Image Storage - For Processing SOP Class shall use the Digital Mammography IOD with an Enumerated Value of FOR PROCESSING for Presentation Intent Type (0008,0068).

An SCU or SCP of the Digital Mammography X-Ray Image Storage - For Processing SOP Class shall also support the Digital Mammography X-Ray Image Storage - For Presentation SOP Class in the same role.

#### B.5.1.3 Digital Intra-Oral X-Ray Image Storage SOP Classes

The Digital Intra-Oral X-Ray Image Storage - For Presentation SOP Class shall use the Digital Intra-Oral X-Ray IOD with an Enumerated Value of FOR PRESENTATION for Presentation Intent Type (0008,0068).

The Digital Intra-Oral X-Ray Image Storage - For Processing SOP Class shall use the Digital Intra-Oral X-Ray IOD with an Enumerated Value of FOR PROCESSING for Presentation Intent Type (0008,0068).

An SCU or SCP of the Digital Intra-Oral X-Ray Image Storage - For Processing SOP Class shall also support the Digital Intra-Oral X-Ray Image Storage - For Presentation SOP Class in the same role.

#### B.5.1.4 Softcopy Presentation State Storage SOP Classes

See Annex N.

#### B.5.1.5 Structured Reporting Storage SOP Classes

The requirements of Annex O apply to the following SOP Classes:

- Basic Text SR

- Extensible SR, Enhanced SR, and SOP Classes for which it is the Related General SOP Class

- Comprehensive 3D SR, Comprehensive SR, and SOP Classes for which they are the Related General SOP Classes

- Mammography CAD SR

- Chest CAD SR

- Procedure Log

- X-Ray Radiation Dose SR

- Radiopharmaceutical Radiation Dose SR

- Patient Radiation Dose SR

- Enhanced X-Ray Radiation Dose SR Storage

- Spectacle Prescription Report

- Colon CAD SR

- Macular Grid Thickness and Volume Report

- Implantation Plan SR Document

- Acquisition Context SR

- Simplified Adult Echo SR

Annex O requirements do not apply to the Key Object Selection Document SOP Class.

#### B.5.1.6 Enhanced MR Image Storage and Legacy Converted Enhanced MR Image Storage SOP Class

An SCP of the Enhanced MR Image Storage or Legacy Converted Enhanced MR Image Storage SOP Class shall also support the Grayscale Softcopy Presentation State Storage SOP Class as an SCP.

### Note

This requirement is present in order to allow the exchange of graphical annotations created by an acquisition or conversion device.

#### B.5.1.7 Enhanced CT Image Storage and Legacy Converted Enhanced CT Image Storage SOP Class

An SCP of the Enhanced CT Image Storage or Legacy Converted Enhanced CT Image Storage SOP Class shall also support the Grayscale Softcopy Presentation State Storage SOP Class as an SCP.

### Note

This requirement is present in order to allow the exchange of graphical annotations created by an acquisition or conversion device.

#### B.5.1.8 Enhanced MR Color Image Storage SOP Class

An SCP of the Enhanced MR Color Image Storage SOP Class shall also support the Color Softcopy Presentation State Storage SOP Class as an SCP.

### Note

This requirement is present in order to allow the exchange of graphical annotations created by an acquisition device.

#### B.5.1.9 Basic Structured Display

An SCU of the Basic Structured Display Storage SOP Class that creates SOP Instances of the Class shall identify in its Conformance Statement the Composite Storage SOP Classes and Softcopy Presentation State Storage SOP Classes that are also supported by the SCU, and may be referenced by Basic Structured Display SOP Instances it creates. It shall identify in its Conformance Statement the values it may use in the Attributes Image Box Layout Type (0072,0304) and Type of Synchronization (0072,0434).

An SCP of the Basic Structured Display Storage SOP Class, when rendering SOP Instances of the Class, shall preserve the aspect ratio specified by the Nominal Screen Definition Sequence (0072,0102) Attributes Number of Vertical Pixels (0072,0104) and Number of Horizontal Pixels (0072,0106) without clipping.

### Note

1. The SCP is not required to display using the exact number of vertical and horizontal pixels. The SCP may use as much of its display screen as it desires, while maintaining the Structured Display aspect ratio.

2. If the display screen has a different aspect ratio, the positioning of the display on the screen is unspecified (centered, left or right justified, top or bottom justified).

An SCP of the Basic Structured Display Storage SOP Class that is capable of rendering SOP Instances of the Class shall identify in its Conformance Statement the Composite Storage SOP Classes and Softcopy Presentation State Storage SOP Classes that are also supported by the SCP, and will be rendered when referenced by Basic Structured Display SOP Instances for display. It shall specify in its Conformance Statement the user display controls and interactions for the values of Image Box Layout Type (0072,0304) and Type of Synchronization (0072,0434) that it supports. It shall identify in its Conformance Statement its behavior when encountering a referenced Presentation State or other Composite Storage SOP Instance whose display it does not support, or an unsupported value of Image Box Layout Type or Type of Synchronization; such behavior shall include at a minimum a display to the user of the nature of the incompatibility.

#### B.5.1.10 Implant Template Storage SOP Classes

See Annex GG.

### Note

The requirements of this section have been consolidated into the Non-Patient Object Storage Service Class (see Section GG.6.3).

#### B.5.1.11 Ophthalmic Axial Measurements Storage SOP Class

Ophthalmic axial measurements devices are used in the preoperative assessment of every cataract surgery patient. Ophthalmic axial measurements SOP Classes support ophthalmic axial measurements devices.

For a device that is both a SCU and a SCP of the Ophthalmic Axial Measurements Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for Ophthalmic Axial Measurements Storage SOP Classes:

- A SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.12 IOL Calculation Storage SOP Class

IOL (intraocular lens) calculation is used in the preoperative assessment of every cataract surgery patient. IOL Calculation SOP Classes support IOL calculation software, which may be located either on ophthalmic axial measurement devices or on a separate computer.

For a device that is both a SCU and a SCP of the IOL Calculation Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for IOL Calculation Storage SOP Classes:

- A SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.13 Intravascular OCT Image Storage SOP Classes

The Intravascular OCT Image Storage - For Presentation SOP Class shall use the IVOCT IOD with an Enumerated Value of FOR PRESENTATION for Presentation Intent Type (0008,0068).

The Intravascular OCT Image Storage - For Processing SOP Class shall use the IVOCT IOD with an Enumerated Value of FOR PROCESSING for Presentation Intent Type (0008,0068).

An SCU or SCP of the Intravascular OCT Image Storage - For Processing SOP Class shall also support the Intravascular OCT Image Storage - For Presentation SOP Class in the same role.

### Note

1. The intent of this requirement is to ensure a useful level of interoperability by avoiding the situation where an SCU might support only the Intravascular OCT Image Storage - For Processing SOP Class and an SCP only the Intravascular OCT Image Storage - For Presentation SOP Class, or vice versa. The burden is therefore to support the Intravascular OCT Image Storage - For Presentation SOP Class as a "baseline".

2. The term "support" is used in this section in the sense that an SCU or SCP must be capable of sending or receiving the For Presentation SOP Class. There is no intent to imply that an SCU must always send an instance of the For Presentation SOP Class when an instance of the For Processing SOP Class is sent.

   Nor is there any intent to imply that during Association establishment, that a Presentation Context for the For Presentation SOP Class has to be proposed by the initiator. However, an association acceptor may reject a For Presentation SOP Class Presentation Context if it accepts a For Processing SOP Class Presentation Context, and prefers that SOP Class, in which case it may no longer be able to "pass on" the object later as an SCU unless it is able to generate a For Presentation object.

   It is not possible for an SCP to determine from proposed Presentation Contexts whether or not an SCU "supports" (is capable of sending) both For Processing and For Presentation SOP Class Instances. Such a determination requires a priori knowledge of the information contained in the Conformance Statement for the SCU, as well as how the SCU is configured and operated. An SCU that supports both SOP Classes may well choose to only propose one or the other during Association establishment, depending on which Instances it actually intends to send over that particular association (although the SCU must be capable of sending instances of the For Presentation SOP Class if the SCP does not accept the For Processing).

   The intent of the requirement is that if an SCU is only capable of sending the For Presentation SOP Class, any SCP will be guaranteed to be able to receive it. Conversely, if an SCP is only capable of receiving the For Presentation SOP Class, any SCU will be guaranteed to be able to send it.

#### B.5.1.14 Ophthalmic Thickness Map Storage SOP Class

The Ophthalmic Thickness Map SOP Class encodes a topographic representation of the thickness/height measurements of the posterior eye.

For a device that is both a SCU and a SCP of the Ophthalmic Thickness Map Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for Ophthalmic Thickness Map Storage SOP Classes:

- A SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.15 Enhanced PET Image Storage and Legacy Converted Enhanced PET Image Storage SOP Class

An SCP of the Enhanced PET Image Storage or Legacy Converted Enhanced PET Image Storage SOP Class shall also support the Grayscale Softcopy Presentation State Storage SOP Class as an SCP.

### Note

This requirement is present in order to allow the exchange of graphical annotations created by an acquisition or conversion device.

#### B.5.1.16 Enhanced PET Image Storage SOP Classes

An SCP of the Enhanced PET Image Storage SOP Class shall also support the Grayscale Softcopy Presentation State Storage SOP Class as an SCP.

### Note

This requirement is present in order to allow the exchange of graphical annotations created by an acquisition device.

#### B.5.1.17 Corneal Topography Map Storage SOP Class

The Corneal Topography Map SOP Class encodes a topographic representation of the curvature and/or elevation measurements of corneal anterior and posterior surfaces (e.g., maps that display corneal curvatures, corneal elevations, and corneal power, etc.).

For a device that is both a SCU and a SCP of the Corneal Topography Map Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for Corneal Topography Map Storage SOP Classes:

- A SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.18 Breast Projection X-Ray Image Storage SOP Classes

The Breast Projection X-Ray Image Storage - For Presentation SOP Class shall use the Breast Projection X-Ray Image IOD with an Enumerated Value of FOR PRESENTATION for Presentation Intent Type (0008,0068).

The Breast Projection X-Ray Image Storage - For Processing SOP Class shall use the Breast Projection X-Ray Image IOD with an Enumerated Value of FOR PROCESSING for Presentation Intent Type (0008,0068).

An SCU or SCP of the Breast Projection X-Ray Image Storage - For Processing SOP Class shall also support the Breast Projection X-Ray Image Storage - For Presentation SOP Class in the same role.

#### B.5.1.19 Planar MPR Volumetric Presentation State Storage SOP Classes

The requirements of Section FF.2.1.1 apply to the following SOP Classes:

- Grayscale Planar MPR Volumetric Presentation State Storage

- Compositing Planar MPR Volumetric Presentation State Storage

The Grayscale Planar MPR Volumetric Presentation State Storage SOP Class shall use the Planar MPR Volumetric Presentation State IOD with an Enumerated Value of MONOCHROME for Pixel Presentation (0008,9205) and shall have only a single item in the Volumetric Presentation State Input Sequence (0070,1201).

The Compositing Planar MPR Volumetric Presentation State Storage SOP Class shall use the Planar MPR Volumetric Presentation State IOD with an Enumerated Value of TRUE COLOR for Pixel Presentation (0008,9205).

#### B.5.1.20 Content Assessment Results Storage SOP Classes

An SCU of the Content Assessment Results Storage SOP Class that creates SOP Instances of the Class shall identify in its Conformance Statement the criteria for setting the Observation Significance (0082,0008).

#### B.5.1.21 CT and XA Performed Procedure Protocol Storage SOP Classes

The CT and XA Performed Procedure Protocol Storage SOP Classes encode the acquisition, reconstruction and storage protocol parameter values used during a specific performed procedure, and related details.

For a device that is both a SCU and a SCP of the CT or XA Performed Procedure Protocol Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for CT and XA Performed Procedure Protocol Storage SOP Classes:

- An SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.22 Raw Data Storage SOP Class

For a device that is both a SCU and a SCP of the Raw Data Storage SOP Class, in addition to the behavior for the Storage Service Class specified in Section B.2.2, the following additional requirements are specified for the Raw Data Storage SOP Class:

- An SCP of this SOP Class shall support Level 2 Conformance as defined in Section B.4.1.

### Note

This requirement means that all Type 1, Type 2, and Type 3 Attributes defined in the Information Object Definition and Private Attributes associated with the SOP Class will be stored and may be accessed.

#### B.5.1.23 Enhanced Multi-Frame Image SOP Classes

An SCP of any of the Enhanced Multi-Frame Image SOP Classes that makes SOP Instances available through the Enhanced Multi-Frame Image Conversion Extended Negotiation of the Query/Retrieve Service Class (see Section C.3.5 “New Instance Creation for Enhanced Multi-Frame Image Conversion”) shall provide Level 2 (Full) Storage SCP Conformance.

### Note

Effective use of the Image Conversion option requires the storage of Type 3 Attributes.

#### B.5.1.24 Volume Rendering Volumetric Presentation State Storage SOP Classes

The requirements of Section FF.2.1.2 apply to the following SOP Classes:

- Volume Rendering Volumetric Presentation State SOP Class

- Segmented Volume Rendering Volumetric Presentation State SOP Class

- Multiple Volume Rendering Volumetric Presentation State SOP Class

The Volume Rendering Volumetric Presentation State Storage SOP Class shall use the Volume Rendering Volumetric Presentation State IOD and include a single item in Volumetric Presentation State Input Sequence (0070,1201) and a single item in Volume Stream Sequence (0070,1A08). Also, the value of Crop (0070,1204) shall be NO.

The Segmented Volume Rendering Volumetric Presentation State Storage SOP Class shall use the Volume Rendering Volumetric Presentation State IOD and include a single item in Volume Stream Sequence (0070,1A08).

The Multiple Volume Rendering Volumetric Presentation State Storage SOP Class shall use the Volume Rendering Volumetric Presentation State IOD and include two or more items in Volume Stream Sequence (0070,1A08).

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DICOM PS3.4 2021b - Service Class Specifications