Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products

3822.12.00.00Tariff line

Classification path

Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials
3822
Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits
For Zika and other diseases transmitted by mosquitoes of the genus Aedes
3822.12.00.00

Rates of duty

General rate (Column 1)Free
Special—
Column 2Free
Unitkg

Printed page 1671

Measure flags

for origin CN, entry date 2026-10-26 · base rate Free

  • Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301: not on any listN/A—8-digit subheading 3822.12.00 is not on Lists 1–4B or the four-year-review lists
  • PGAFDA FD1APHIS Core AQ1EPA EP7

Confirmed total 12.5% · max 12.5%Full duty breakdown →

U.S. → China →