HS code for diagnostic test kits

Products described as diagnostic test kits are usually classified under heading 3822 of the Harmonized System. Pick the 6-digit subheading that matches your product, then add the importing country's national digits.

Heading 3822Reagents; 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 30.06; certified reference materials

Subheadings of heading 3822

Reagents; 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 malaria
Reagents; 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
Reagents; 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 blood grouping
Reagents; 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; n.e.c.in item 3822.1
Reagents; diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, or put up in the form of kits, other than those of heading 30.06; certified reference materials, n.e.c. in heading 3822

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How to confirm the code

Read the heading and subheading texts above and pick the one that describes what your product is made of and what it does.
Check the section and chapter notes of chapter 38, which can include or exclude products.
Add the national digits from the importing country's tariff (8 to 10 digits) and confirm with a customs broker, or ask customs for a binding ruling if the duty matters.

Search the HS code lookup →Chapter 38

Source: HS 2022 nomenclature, 6-digit level (UN Comtrade). Descriptions are in English, as in the official nomenclature. Digits after the 6th differ by country.

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Guides on this topic

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Common questions

What is the HS code for diagnostic test kits?

Products described as diagnostic test kits are usually classified under HS heading 3822; the subheading depends on the material and use of the product. Confirm the full national code in the importing country's tariff.

Is the HS code the same in every country?

The first 6 digits are the same in every country that uses HS 2022, and national codes are built on them: the EU's CN, the US HTS, India's ITC-HS and HSN codes and Brazil's NCM all start with these digits. Each country adds its own digits (usually to 8 or 10) and sets the duty rate, so check the destination country's tariff.

What if my product is different?

Materials, function and how the product is put up can change the heading. Search your own description in the HS code lookup, read the chapter notes, and ask a customs broker or the customs authority for a ruling when in doubt.

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