Methyl Chloroform Rheumatoid Factor Test Cards from Canada
Latex agglutination test cards with rheumatoid factor antigens preserved using methyl chloroform for rapid rheumatoid arthritis screening. Used in physician offices and clinics. Classified HTS 3822.19.0010 for diagnostic reagents on backing containing the specified solvent.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide peer-reviewed validation studies supporting clinical accuracy
• Ensure child-resistant packaging for solvent-containing diagnostics
• Declare as medical devices if automated reading systems included