9022 - Apparatus based on the use of X-rays or of alpha, beta, gamma or other ionizing radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus, X-ray tubes and other X-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like; parts and accessories thereof:

Heading 9022 encompasses a wide array of apparatus that utilize ionizing radiation, specifically X-rays and alpha, beta, or gamma radiation, for diagnostic, therapeutic, or inspection purposes. This broad category includes complete systems for radiography, radiotherapy, and other medical imaging, as well as specialized equipment for dental and veterinary applications. Furthermore, it covers essential components like X-ray tubes, generators, and control panels, alongside examination furniture such as tables and chairs designed for use with such apparatus.

It is crucial to distinguish heading 9022 from other headings within Section XVIII, particularly those dealing with general scientific instruments or electrical apparatus not specifically designed for radiation applications. While siblings in Chapter 01 (Live Animals) are entirely unrelated, within Chapter 90 itself, this heading is distinct from categories focusing on optical instruments (like microscopes), measuring instruments, or surgical instruments that do not employ ionizing radiation. The defining characteristic for classification under 9022 is the inherent use of X-rays or other specified ionizing radiations in the apparatus's primary function.

Subdivisions within heading 9022 further refine classification based on the specific type of radiation employed and whether the item is a complete apparatus or a component. For instance, specific subheadings exist to differentiate between apparatus based on X-rays and those based on other ionizing radiations. Additionally, a distinct subheading is reserved for X-ray tubes themselves, acknowledging their unique nature as key components. The "Other" subheading is crucial for capturing a variety of parts and accessories that do not fall into more specific classifications but are integral to the functioning of the apparatus within this heading.