HS code 3821.00: Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
Last updated
Key facts
- HS code
- 3821.00
- Covers
- Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
- Edition
- HS2022
- Duty in the United States
- See its 2 lines
Summary
HS code 3821.00 covers prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells. It sits in heading 38.21 (prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells) in chapter 38 (miscellaneous chemical products). It is the only subheading of heading 38.21, so every good of the heading is classified here. National tariff lines under 3821.00 are live on border.bot for the United States (2 lines, also used by 1 other country).
What this code covers
HS code 3821.00 covers prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells.
The legal text of the subheading is “Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells”, in HS2022.
What it doesn’t cover
It is the only subheading of heading 38.21, so every good of the heading is classified here.
How it is structured
3821.00 is a six-digit subheading. Its first two digits, 38, are the chapter; the first four, 3821, are heading 38.21; the last two, 00, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 38
- Miscellaneous chemical products
- Subheading 3821.00
- Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
In other countries
National tariff lines under 3821.00 are live on border.bot for the United States (2 lines, also used by 1 other country).
- United States2 lines, used by 1 other country
Frequently asked questions
What does HS code 3821.00 cover?
HS code 3821.00 covers prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells.
Which heading and chapter is HS code 3821.00 in?
HS code 3821.00 is in heading 38.21 (prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells) in chapter 38 (miscellaneous chemical products).
Where are goods of heading 38.21 classified when 3821.00 doesn’t fit?
3821.00 is the only subheading of heading 38.21, so every good of the heading is classified there.
Which countries’ tariffs list national lines under HS code 3821.00?
National tariff lines under 3821.00 are live on border.bot for the United States (2 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.