A.66.4 Intravascular OCT Image Functional Group Macros
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### A.66.4 Intravascular OCT Image Functional Group Macros

Table A.66.4.3-1 specifies the use of the Functional Group Macros used in the Multi-frame Functional Group Module for the Intravascular Optical Coherence Tomography Image IOD.

Table A.66.4.3-1. Intravascular OCT Functional Group Macros

Functional Group Macro | Section | Usage
--- | --- | ---
Pixel Measures | C.7.6.16.2.1 | C - Required if Presentation Intent Type (0008,0068) is FOR PRESENTATION.
Frame Content | C.7.6.16.2.2 | M - May not be used as a Shared Functional Group.
Derivation Image | C.7.6.16.2.6 | C - Required if the image or frame has been derived from another SOP Instance.
Frame Anatomy | C.7.6.16.2.8 | M
Cardiac Synchronization | C.7.6.16.2.7 | C - Required if Cardiac Synchronization Technique (0018,9037) equals other than NONE May be present otherwise.
Frame VOI LUT | C.7.6.16.2.10 | U
Pixel Intensity Relationship LUT | C.7.6.16.2.13 | C - Required if Pixel Intensity Relationship (0028,1040) equals LOG. May be present otherwise.
Intravascular OCT Frame Type | C.8.27.6.1 | M
Intravascular Frame Content | C.8.27.6.2 | C - Required if Intravascular Acquisition (0018,3100) equals MEASURED or Presentation Intent Type (0008,0068) equals FORPRESENTATION.
Intravascular OCT Frame Content | C.8.27.6.3 | C - Required if Presentation Intent Type (0008,0068) equals FOR PROCESSING.

#### A.66.4.1 Intravascular OCT Image Functional Group Macros Content Constraints

##### A.66.4.1.1 Frame Anatomy Functional Group Macro

The Defined CID for the Anatomic Region Sequence (0008,2218) shall be CID 3604 “Arterial Lesion Locations”. The Defined CID for the Anatomic Region Modifier Sequence (0008,2220) shall be CID 3019 “Cardiovascular Anatomic Location Modifiers”.

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