Hepatitis B Surface Antigen ELISA from China
Microplate-based ELISA reagents containing HBsAg and monoclonal detection antibodies for hepatitis B screening. Prepared diagnostic reagents on plastic backing meeting HTS 3822.19.0030 antigen criteria. Used in clinical laboratories for blood donor testing.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document HBsAg subtype reactivity (ad/ay) and sensitivity to mutant strains
• Include microplate optical specifications and reagent matrix effects data
• Provide blood bank validation studies for transfusion screening use