Chapter 38: Miscellaneous chemical products

HTS heading 3821: Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells

3 numbered lines under heading 3821, including 2 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 3821
HTS codeDescriptionUnitGeneralSpecialColumn 2
3821.00.00Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells5%Free (A+,AU,BH,CL,CO,D,E, IL, JO,KR,MA,OM,P, PA,PE,S,SG)25%
3821.00.00.10Viral transport mediakg
3821.00.00.90Otherkg

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.