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HTS 3822Diagnostic 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

Product or HTS code

Rate lines8

Code	Description	General	Special	Column 2	Units	Calculate
	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
3822.11.00.00	3822.11.00.00For malariaGeneral Free · Column 2 Free · kg	Free		Free	kg
3822.12.00.00	3822.12.00.00For Zika and other diseases transmitted by mosquitoes of the genus AedesGeneral Free · Column 2 Free · kg	Free		Free	kg
3822.13.00.00	3822.13.00.00For blood-groupingGeneral Free · Column 2 Free · kg	Free		Free	kg
3822.19.00	3822.19.00OtherGeneral Free · Column 2 25%	Free		25%
	Containing antigens or antiseraGeneral Free · Column 2 25%	Free		25%
3822.19.00.10	3822.19.00.10Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachlorideGeneral Free · Column 2 25% · kg	Free		25%	kg
3822.19.00.30	3822.19.00.30OtherGeneral Free · Column 2 25% · kg	Free		25%	kg
	OtherGeneral Free · Column 2 25%	Free		25%
3822.19.00.40	3822.19.00.40Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachlorideGeneral Free · Column 2 25% · kg	Free		25%	kg
3822.19.00.80	3822.19.00.80OtherGeneral Free · Column 2 25% · kg	Free		25%	kg
3822.90.00.00	3822.90.00.00Certified reference materialsGeneral Free · Column 2 25% · kg	Free		25%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Germany15.4% of imports	United Kingdom13.51% of imports	Singapore10.97% of imports	Sweden8.78% of imports	Canada8.07% of imports	Ireland5.62% of imports	France5.39% of imports	China4.9% of imports	Japan3.85% of imports	Lithuania3.16% of imports
3822.11.00.00For malaria	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.12.00.00For Zika and other diseases transmitted by mosquitoes of the genus Aedes	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.13.00.00For blood-grouping	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.19.00.10Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.19.00.30Other	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.19.00.40Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.19.00.80Other	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39
3822.90.00.00Certified reference materials	10%9903.05.39	10%9903.05.81	12.5%9903.05.68	10%9903.05.39	10%9903.05.29	10%9903.05.39	10%9903.05.39	12.5%9903.05.31	12.5%9903.05.49	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).