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HTSUS, United States

3821.00.00.10

Viral transport media

Classification path

  1. Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
  2. Viral transport media

Rates of duty

General (MFN)
5%
Column 2Cuba, North Korea, Russia, Belarus
25%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 3821

About heading 3821

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

Heading 3821 covers prepared culture media for the development or maintenance of micro-organisms, viruses, and plant, human, or animal cells. The two declarable lines split viral transport media from all other prepared culture media. Both lines carry a 5% general (MFN) duty rate.

Full guide to heading 3821

Products in this heading

  • Viral transport media in vials or tubes
  • Cell culture media for human or animal cells
  • Microbiological growth media for bacteria
  • Prepared agar plates for laboratory use
  • Tissue culture media for plant cells
  • Virus specimen transport kits containing culture medium
  • Prepared media for maintaining virus cultures
  • Liquid culture media for cell maintenance

Frequently asked questions

What is the HTS code for viral transport media?

Viral transport media is classified under 3821.00.00.10 and carries a 5% general (MFN) rate.

What is the duty on other prepared culture media?

Other prepared culture media is classified under 3821.00.00.90 and carries a 5% general (MFN) rate.

How do I classify a prepared cell culture medium?

If it is a prepared medium for maintaining plant, human, or animal cells, classify it under 3821.00.00.90 at a 5% general (MFN) rate. If it is viral transport media, use 3821.00.00.10, also at a 5% general (MFN) rate.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 3821.00.00.10: Viral transport media, 5% duty | HTSBase