This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  113806	Stationary Acquisition	The CT acquisition was performed by holding the table at a constant position and acquiring multiple slices over time at the same location.
  113805	Constant Angle Acquisition	The CT acquisition was performed by holding the source at a constant angle and moving the table to obtain a projection image.
  113807	Free Acquisition	The CT acquisition was performed while rotating the source about the gantry while the table movement is under direct control of a human operator or under the control of an analysis application.
  113804	Sequenced Acquisition	The CT acquisition was performed by acquiring single or multi detector data while rotating the source about the gantry while the table is not moving. Additional slices are acquired by incrementing the table position and again rotating the source about the gantry while the table is not moving.

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  116152004	Spiral Acquisition
  702569007	Cone Beam Acquisition