Streptolysin O Antigen Test Reagent from Mexico
Streptolysin O antigens for ASO (anti-streptolysin O) titer diagnostic testing via patient serum reaction. This falls under HTS 3006.30.10.00 as a diagnostic reagent containing bacterial antigens designed for patient-related administration in clinical protocols. Supplied in single-use vials.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide FDA 510(k) clearance and lot-specific potency test results
• Package in measured doses; bulk antigens risk reclassification to 3822
• Include safety data sheets for hemolytic properties during customs review