HTS 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 — 10 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 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 + Ch. 99 | not stated | — |
| 3822.11.00.00 | For malaria + Ch. 99 | Free | kg |
| 3822.12.00.00 | For Zika and other diseases transmitted by mosquitoes of the genus Aedes + Ch. 99 | Free | kg |
| 3822.13.00.00 | For blood-grouping + Ch. 99 | Free | kg |
| 3822.19.00 | Other + Ch. 99 | Free | — |
| 3822.19.00.10 | Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride + Ch. 99 | Free (inherited from 3822.19.00) | kg |
| 3822.19.00.30 | Other + Ch. 99 | Free (inherited from 3822.19.00) | kg |
| 3822.19.00.40 | Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride + Ch. 99 | Free (inherited from 3822.19.00) | kg |
| 3822.19.00.80 | Other + Ch. 99 | Free (inherited from 3822.19.00) | kg |
| 3822.90.00.00 | Certified reference materials + Ch. 99 | Free | kg |
4 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
10 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.