{
  "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.",
  "updatedAt": "2026-10-13",
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      "value": "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",
      "source": "border.bot release GLOBAL:hs #1"
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    {
      "label": "Heading",
      "value": "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",
      "source": "border.bot release GLOBAL:hs #1",
      "url": "https://staging.border.bot/hs-codes/3821"
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    {
      "label": "Chapter",
      "value": "38: Miscellaneous chemical products",
      "source": "border.bot release GLOBAL:hs #1",
      "url": "https://staging.border.bot/hs-codes/38"
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    {
      "label": "Edition",
      "value": "HS2022",
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    {
      "label": "Duty rates",
      "value": "Set by each country’s tariff",
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  "faq": [
    {
      "question": "What does HS code 3821.00 cover?",
      "answer": "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."
    },
    {
      "question": "Which heading and chapter is HS code 3821.00 in?",
      "answer": "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)."
    },
    {
      "question": "Where are goods of heading 38.21 classified when 3821.00 doesn’t fit?",
      "answer": "3821.00 is the only subheading of heading 38.21, so every good of the heading is classified there."
    }
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      "id": "covers",
      "title": "What this code covers",
      "text": [
        "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."
      ]
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    {
      "id": "not-covered",
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        "It is the only subheading of heading 38.21, so every good of the heading is classified here."
      ]
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    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "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."
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      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No national tariff lines under 3821.00 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 3821.00 at six digits and add their own digits after it."
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      "text": [
        "The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.",
        "This page was last updated on 13 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."
      ]
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      "code": "38",
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      "code": "3821",
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  "code": "382100",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://staging.border.bot/legal/terms",
  "notice": "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.",
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