Section 06 Products of the chemical or allied 30 Pharmaceutical products 30 06 Pharmaceutical goods specified in note 4 to this chapter 30 06 30 - Opacifying preparations for X-ray examinations; diagnostic reagents designed to be administered to the patient Commodity Code Description 30 06 30 00 - Opacifying preparations for X-ray examinations; diagnostic reagents designed to be administered to the patient