A.3.3 CT Image IOD Module Table

A.3.3 CT Image IOD Module Table (Current)
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Table A.3-1 specifies the Modules of the CT Image IOD.

Table A.3-1. CT Image IOD Modules

IE	Module	Reference	Usage
Patient	Patient	C.7.1.1	M
Patient	Clinical Trial Subject	C.7.1.3	U
Study	General Study	C.7.2.1	M
	Patient Study	C.7.2.2	U
	Clinical Trial Study	C.7.2.3	U
Series	General Series	C.7.3.1	M
Series	Clinical Trial Series	C.7.3.2	U
Frame of Reference	Frame of Reference	C.7.4.1	M
Equipment	General Equipment	C.7.5.1	M
Image	General Image	C.7.6.1	M
	General Reference	C.12.4	U
	Image Plane	C.7.6.2	M
	Image Pixel	C.7.6.3	M
	Contrast/Bolus	C.7.6.4	C - Required if contrast media was used in this image
	Device	C.7.6.12	U
	Specimen	C.7.6.22	U
	CT Image	C.8.2.1	M
	Multi-energy CT Image	C.8.2.2	C - Required if Multi-energy CT Acquisition (0018,9361) is YES.
	Overlay Plane	C.9.2	U
	VOI LUT	C.11.2	U
	SOP Common	C.12.1	M
	Common Instance Reference	C.12.2	U

If Multi-energy CT Acquisition (0018,9361) is YES the following constraints will apply:

The Contrast/Bolus Module shall be present if contrast was administered even if images are processed to remove contrast information from the pixels, e.g. Virtual Non-Contrast images.
The Real World Value Mapping Sequence (0040,9096) shall be present in the General Image Module.
The Defined CID for Measurement Units Code Sequence (0040,08EA) in the Real World Value Mapping Sequence (0040,9096) is CID 301 “Multi-energy Material Units”.

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