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

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=3821). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

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

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 3821.00.00 | Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells | 5% | Free (A+,AU,BH,CL,CO,D,E, IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% |  |
| 3821.00.00.10 |     Viral transport media | 5% | Free (A+,AU,BH,CL,CO,D,E, IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% | kg |
| 3821.00.00.90 |     Other | 5% | Free (A+,AU,BH,CL,CO,D,E, IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% | kg |