Treponema pallidum Antigen Test from Japan
TPPA (Treponema pallidum particle agglutination) reagents containing immobilized T. pallidum antigens on gelatin particles. Confirmatory syphilis serology for clinical laboratories. HTS 3822.19.0030 classification for spirochete antigen diagnostic reagents.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include RPR/VDRL confirmatory correlation studies and specificity data
• Document gelatin particle backing uniformity and stability
• Provide CDC syphilis staging interpretation guidelines