Image Type

(0008,0008)

1

Image characteristics. See Section C.8.16.1 and Section C.8.15.2.1.1.

Include Table C.8-131 “Common CT/MR Image Description Macro Attributes”

Acquisition Number

(0020,0012)

3

A number identifying the single continuous gathering of data over a period of time that resulted in this image.

Acquisition DateTime

(0008,002A)

1C

The date and time that the acquisition of data started.

Required if Image Type (0008,0008) Value 1 of this frame is ORIGINAL or MIXED and SOP Class UID is not "1.2.840.10008.5.1.4.1.1.2.2" (Legacy Converted), may be present otherwise.

Acquisition Duration

(0018,9073)

1C

The time in seconds needed to complete the acquisition of data. See Section C.7.6.16.2.2.1 for further explanation.

Required if Image Type (0008,0008) Value 1 of this frame is ORIGINAL or MIXED and SOP Class UID is not "1.2.840.10008.5.1.4.1.1.2.2" (Legacy Converted), may be present otherwise.

Referenced Raw Data Sequence

(0008,9121)

3

The Raw data that was used to derive this Image.

One or more Items are permitted in this Sequence.

>Include Table C.17-3 “Hierarchical SOP Instance Reference Macro Attributes”

Referenced Waveform Sequence

(0008,113A)

3

References to waveforms acquired in conjunction with this image. These Waveforms may or may not be temporally synchronized with this image.

One or more Items are permitted in this sequence.

>Include Table C.17-3 “Hierarchical SOP Instance Reference Macro Attributes”

Referenced Image Evidence Sequence

(0008,9092)

1C

Full set of Composite SOP Instances referring to image SOP Instances inside the frames of this Enhanced CT Image SOP Instance. See Section C.8.13.2.1.2 for further explanation.

One or more Items shall be included in this sequence.

Required if the Referenced Image Sequence (0008,1140) is present.

>Include Table C.17-3 “Hierarchical SOP Instance Reference Macro Attributes”

Source Image Evidence Sequence

(0008,9154)

1C

Full set of Composite SOP Instances used as source image SOP Instances inside the frames of this Enhanced CT Image SOP Instance. See Section C.8.13.2.1.2 for further explanation.

One or more Items shall be included in this sequence.

Required if the Source Image Sequence (0008,2112) is present.

>Include Table C.17-3 “Hierarchical SOP Instance Reference Macro Attributes”

Referenced Presentation State Sequence

(0008,9237)

1C

References to Presentation State instances acquired in conjunction with this instance.

One or more Items shall be included in this sequence.

Required if Presentation State is generated during acquisition, shall not be present otherwise.

>Include Table C.17-3 “Hierarchical SOP Instance Reference Macro Attributes”

Samples per Pixel

(0028,0002)

1

Number of samples (planes) in this image. This value shall be 1.

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data.

See Section C.7.6.3.1.2 for definition of this term.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample. Each sample shall have the same number of bits allocated. This value shall be 16.

Bits Stored

(0028,0101)

1

Number of bits stored for each pixel sample. Each sample shall have the same number of bits stored. This value shall be 12 or16.

High Bit

(0028,0102)

1

Most significant bit for pixel sample data. Each sample shall have the same high bit. Shall be one less than the value in Bits Stored (0028,0101).

Content Qualification

(0018,9004)

1C

Content Qualification Indicator

See Section C.8.13.2.1.1 for further explanation.

Required if SOP Class UID is not "1.2.840.10008.5.1.4.1.1.2.2" (Legacy Converted), may be present otherwise.

Image Comments

(0020,4000)

3

User-defined comments about the image

Burned In Annotation

(0028,0301)

1C

Indicates whether or not the image contains sufficient burned in annotation to identify the patient and date the image was acquired.

This means that images that contain this Module shall not contain such burned in annotations.

Required if SOP Class UID is not "1.2.840.10008.5.1.4.1.1.2.2" (Legacy Converted), may be present otherwise.

Recognizable Visual Features

(0028,0302)

3

Indicates whether or not the image contains sufficiently recognizable visual features to allow the image or a reconstruction from a set of images to identify the patient.

If this Attribute is absent, then the image may or may not contain recognizable visual features.

Lossy Image Compression

(0028,2110)

1C

Specifies whether an Image has undergone lossy compression (at a point in its lifetime).

Once this value has been set to 01 it shall not be reset.

See Section C.7.6.1.1.5.

Required if SOP Class UID is not "1.2.840.10008.5.1.4.1.1.2.2" (Legacy Converted). May be present otherwise.

Lossy Image Compression Ratio

(0028,2112)

1C

Describes the approximate lossy compression ratio(s) that have been applied to this image.

See Section C.7.6.1.1.5.2.

Required if Lossy Image Compression (0028,2110) is "01".

Lossy Image Compression Method

(0028,2114)

1C

A label for the lossy compression method(s) that have been applied to this image.

See Section C.7.6.1.1.5.1.

Required if Lossy Image Compression (0028,2110) is "01".

Presentation LUT Shape

(2050,0020)

1

Specifies an identity transformation for the Presentation LUT, such that the output of all grayscale transformations defined in the IOD containing this Module are defined to be P-Values.

Icon Image Sequence

(0088,0200)

3

This icon image is representative of the Image.

Only a single Item is permitted in this Sequence.

>Include Table C.7-11b “Image Pixel Macro Attributes”

See Section C.7.6.1.1.6.

Include Table 10-25 “Optional View and Slice Progression Direction Attributes”

Isocenter Position

(300A,012C)

3

Isocenter coordinates (x,y,z), in mm. Specifies the location of the machine isocenter in the patient-based coordinate system associated with the Frame of Reference. It allows transformation from the equipment-based coordinate system to the patient-based coordinate system.

Include Table 10-27 “RT Equipment Correlation Macro Attributes Description”