HEADING 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:

Part of Chapter 38 — Miscellaneous Chemical Products, Section VI.

Subheadings and tariff lines

3822D01Diagnostic 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:

3822.11.00.00For malaria 3822.12.00.00For Zika and other diseases transmitted by mosquitoes of the genus Aedes 3822.13.00.00For blood-grouping 3822.19.00Other

3822.19.00D02Containing antigens or antisera:

3822.19.00.10Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride 3822.19.00.30Other

3822.19.00D03Other:

3822.19.00.40Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride 3822.19.00.80Other 3822.90.00.00Certified reference materials

Recent CBP rulings on heading 3822

N358273 February 13, 2026

The tariff classification of diagnostic ELISA kits from Sweden

N356022 December 12, 2025

The tariff classification of gluten detection capsules and detection systems from China

N351293 July 24, 2025

The tariff classification of blood glucose test strips from Taiwan and South Korea

N351314 July 24, 2025

The tariff classification of a His Tag ELISA (Enzyme-Linked Immunosorbent Assay) Detection Kit from China

N347822 May 12, 2025

The tariff classification of a forensic-use fentanyl detection device from China

N331539 May 22, 2023

The tariff classification of a BPF SPA Rapid Kit from Spain

Classifying products under 3822?

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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:

Subheadings and tariff lines

Recent CBP rulings on heading 3822

The tariff classification of diagnostic ELISA kits from Sweden

The tariff classification of gluten detection capsules and detection systems from China

The tariff classification of blood glucose test strips from Taiwan and South Korea

The tariff classification of blood beta-Ketone test strips from South Korea

The tariff classification of blood glucose test strips from South Korea

The tariff classification of blood glucose test strips from South Korea

The tariff classification of blood glucose test strips from Taiwan

The tariff classification of blood glucose test strips from South Korea

The tariff classification of blood glucose test strips from South Korea

The tariff classification of a His Tag ELISA (Enzyme-Linked Immunosorbent Assay) Detection Kit from China

The tariff classification of a forensic-use fentanyl detection device from China

The tariff classification of a BPF SPA Rapid Kit from Spain

Classifying products under 3822?