HS Code 3821

Prepared Culture Media

HS code 3821 covers prepared culture media for developing or maintaining bacteria, viruses, or cells, excluding purely natural products like agar.

4-digit Section VIAir

HS Code 3821 — Prepared Culture Media

These are nutrient-rich substances used in laboratories to grow and maintain microorganisms, cells, or viruses. They are used in medical diagnostics, pharmaceutical research, and food safety testing.

What's included

  • Microbiological growth media
  • Cell culture media
  • Viral transport media
  • Agar-based nutrient broths

What's excluded

  • Natural agar-agar → use 1302 (Natural vegetable jellies and thickeners are in Chapter 13.)
  • Human or animal blood → use 3002 (Blood for therapeutic or diagnostic use is in Chapter 30.)

Common examples

  • Petri dish nutrient agar
  • LB Broth for E. coli
  • Fetal Bovine Serum (FBS) substitutes
  • Stem cell culture medium

Frequently asked questions

Does this require a health permit?

Often yes, as culture media may consist of animal-derived components like peptones or serum, triggering veterinary inspections.

Trade & shipping notes

  • Typical duty range: 0% - 5%
  • Documentation: Health certificates (SPS) are frequently required for imports to verify the source of animal proteins.
  • Typical shipping mode: Air
  • Top exporters: United States, United Kingdom, Germany, China
  • Top importers: China, India, Germany, Brazil

Key takeaway

Primary classification for lab growth prepared fluids; high chance of sanitary/phytosanitary (SPS) controls.

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