Enzyme Immunoassay Kit for Vitamin D Testing from Mexico
Competitive ELISA kit for 25-hydroxyvitamin D quantification in serum using enzyme-labeled tracer and magnetic microparticles. Prepared diagnostic reagent classified under HTS 3822.19.0080.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include method correlation data to CLIA/cGMP validated assays
• Specify magnetic particle size and coating chemistry
• Declare as quantitative clinical chemistry reagent, not vitamin supplement