This part of IEC 1223 applies to those components of X-ray equipment which influence the image quality of equipment for digital subtraction angiography (DSA) with an imaging system consisting of an X-ray generation subsystem, a detection device comprising an X-ray image intensifier television chain, means of digitization and digital image processing, image storage and image manipulation including subtraction, and facilities for image display.

This standard does not apply to general equipment of digital imaging. If such an equipment includes a DSA function, it is restricted to the DSA function.