HTS 3821.00.00.90: US import duty from China
Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, Other. Here is the full China to US duty stack and what it costs to land.
Duty rate & fees
| Charge | Rate |
|---|---|
| Base duty (MFN) | 5% |
| Total duty (on customs value) | 5% |
| Merchandise Processing Fee (MPF) | 0.3464% (min $33.58, max $651.50) |
| Harbor Maintenance Fee (HMF), ocean | 0.125% |
Worked example: $10,000 shipment
| Customs value | $10,000.00 |
| Base duty (MFN) | $500.00 |
| Merchandise Processing Fee | $34.64 |
| Harbor Maintenance Fee | $12.50 |
| Total landed cost | $10,547.14 |
Excludes freight and insurance. Run your exact numbers in the calculator →
FAQ
What is the import duty on HTS 3821.00.00.90 from China?
Goods classified under HTS 3821.00.00.90 (Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, Other) have a duty of 5% of the customs value on the China to US lane (base rate plus any Section 301 tariff), plus the Merchandise Processing Fee (0.3464%, min $33.58, max $651.50) and, for ocean shipments, the Harbor Maintenance Fee (0.125%).
What does HTS code 3821.00.00.90 cover?
Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells, Other. US Customs and Border Protection determines the final classification at entry.
How much does it cost to import HTS 3821.00.00.90 from China?
On a $10,000 shipment, the estimated total landed cost is $10,547, about 5.5% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.
Related codes in heading 3821
Estimates for planning only. Final classification and duty are determined by U.S. Customs and Border Protection at entry. Rates from USITC HTSUS 2026-06-15-cn-us. The IEEPA reciprocal tariff was struck down (SCOTUS, 2026-02-20) and is excluded. Not legal or customs-broker advice.