Harmonized Tariff Schedule of the United States · HTS code · HS 3822.90

3822.90.00

3822.90.00: Diagnostic or laboratory reagents on a backing, prepared: certified reference materials

Certified reference materials and other reagents

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 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, other than those of heading 3006; certified reference materials:
  2. 3822.90.00 Certified reference materials

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges —
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Same subheading in other tariffs

3822.90 Diagnostic or laboratory reagents on a backing, prepared: other

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • 600014539 HMRC 13 January 2026 – 12 January 2029 · 3822 90 00 00

    Test tablets are plastic discs available in sizes of 16 mm and 25 mm diameter, each containing a single metal test sphere. These spheres come in diameters of up to 1.5 mm and 3.2 mm, and are available in Ferrous, Brass, Phosphor Bronze, Stainless Steel and Aluminium. Test tablets are certified and…

Legal notes

Notes

Chapter notes: Chapter 38 →

Code history

Since 2022; before, these goods were classified under 3822.00.

HTS code 3822.90.00 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 3822.90 (diagnostic or laboratory reagents on a backing, prepared: other).

The general duty is free, and quantities are declared in kg.

For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is 5%, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is 5%, the GCC duty is free, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is free.

The United States imported goods of subheading 3822.90 worth US$448m in 2024; the largest supplier was the United Kingdom, and the United Kingdom ranked 1st with US$199m.

Questions and answers

What is the USA import duty for HTS code 3822.90.00?

The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does the United States import these goods from?

For subheading 3822.90 as a whole, the largest supplier in 2024 was the United Kingdom (US$199m), followed by Italy.

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