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, other than those of heading 30.06; certified reference materials
6-digit subheadings (5)
Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.
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
Chapter 38 classification notes
Frequent misclassification in this chapter
Insect repellent (DEET) — depending on form, 3808 (commercial pesticide) vs. 3304 (cosmetic preparation).
Classification certainty
The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.
Binding tariff ruling databaseOther headings in Chapter 38
- 3801 — Artificial graphite; colloidal or semi-colloidal graphite; preparation…
- 3802 — Activated carbon; activated natural mineral products; animal black, in…
- 3803 — Tall oil, whether or not refined
- 3804 — Residual lyes from the manufacture of wood pulp, whether or not concen…
- 3805 — Gum, wood or sulphate turpentine, other terpenic oils; crude dipentene…
- 3806 — Rosin and resin acids and derivatives thereof; rosin spirit and rosin …
- 3807 — Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch;…
- 3808 — Insecticides, rodenticides, fungicides, herbicides, anti-sprouting pro…
- 3809 — Finishing agents, dye carriers to accelerate the dyeing, fixing of dye…
- 3810 — Metal-pickling preparations; fluxes etc for soldering, brazing; weldin…
- 3811 — Anti-knock preparations, oxidation and gum inhibitors, viscosity impro…
- 3812 — Prepared rubber accelerators; compound plasticisers for rubber or plas…
- 3813 — Preparations and charges for fire extinguishers; charged fire-extingui…
- 3814 — Organic composite solvents and thinners, not elsewhere specified or in…
- 3815 — Reaction initiators, reaction accelerators and catalytic preparations …
- 3816 — Refractory cements, mortars, concretes and similar compositions, inclu…
- 3817 — Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of h…
- 3818 — Chemical elements doped for use in electronics, in the form of discs, …
- 3819 — Hydraulic brake fluids and other prepared liquids for hydraulic transm…
- 3820 — Anti-freezing preparations and prepared de-icing fluids
- 3821 — Prepared culture media for the development or maintenance of micro-org…
- 3823 — Industrial monocarboxylic fatty acids; acid oils from refining; indust…
- 3824 — Prepared binders for foundry moulds or cores; chemical products and pr…
- 3825 — Residual products of the chemical or allied industries, not elsewhere …
- 3826 — Biodiesel and mixtures thereof; not containing or containing less than…
- 3827 — Mixtures containing halogenated derivatives of methane, ethane or prop…