Antigen Antibody Quantitative Reagent
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3822190030 | 10.0% | CN | US | 官方文档 |
| 3002130090 | 10.0% | CN | US | 官方文档 |
| 3002120090 | 10.0% | CN | US | 官方文档 |
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AI分析
🧪 Antigen Antibody Quantitative Reagent
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Bio-Product Strategy
📌 I. Product Definition & Classification: What Exactly is an "Antigen"?
Antigen Antibody Quantitative Reagents are specialized biological diagnostic kits used in immunology, clinical chemistry, and research laboratories. They are designed to measure the concentration of specific antigens (e.g., tumor markers, hormones, viruses) or antibodies in biological samples (serum, plasma, urine).
In international trade, these products fall primarily under Chapter 30 (Pharmaceutical Products) or Chapter 38 (Miscellaneous Chemical Products), depending on their specific formulation and intended use. However, for diagnostic reagents containing antigens or antibodies, the classification is highly specific due to their biological nature.
⚠️ Critical Distinction:
- If the product is a simple chemical buffer without biological activity → May fall under Chapter 38.
- If the product contains biological components (antigens, antibodies, sera) → Must fall under Chapter 30 (3002) or 3822.
- Key Insight: The presence of "Antigen" or "Antibody" triggers specific subheadings in 3002 (Vaccines, serums, etc.) or 3822 (Diagnostic reagents).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority)
Based on the provided data, the reagent is classified into three potential HS Codes. Here is the breakdown of why each applies:
| HS Code | Product Description | Applicability Logic | Biological Component? |
|---|---|---|---|
3822.19.00.30 |
Diagnostic reagents, not elsewhere specified | Direct Match: The summary explicitly states the product name contains "Antigen" and fits the core use feature of reagents containing antigens or antisera. This is the most direct fit for "Quantitative Reagents" labeled as diagnostic tools. | ✅ Yes (Antigen/Antibody) |
3002.13.00.90 |
Other immune products, including diagnostic immunological products | Immunological Category: Antigens are fundamental to immunology. This code covers "Other immune products" excluding monoclonal antibodies. Since the reagent is used for quantitative analysis via immune reactions, it falls under the broader "immune product" umbrella. | ✅ Yes (Immune-related) |
3002.12.00.90 |
Other blood components and immunological products | Broader Immunological Scope: This code covers blood fractions and other immunological products not specifically listed elsewhere. If the reagent is considered a "blood component derivative" or a general "immunological product" not fitting the stricter 3002.13 definition, this is the catch-all. |
✅ Yes (Immunological/Blood-related) |
🔍 Important Note:
- All three codes have the same tax rate (10% total), so the choice may depend on the specific manufacturer's declaration, product formulation details, and customs officer's interpretation. -3822.19.00.30is often preferred for diagnostic kits that are finished products ready for use. -3002codes are used when the product is viewed as a biological substance rather than just a chemical diagnostic aid.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Post-2025 (Including subsequent imports)
🎯 1. 3822.19.00.30 – Diagnostic Reagents (Containing Antigens)
| Item | Content |
|---|---|
| Basic Tariff | 0.0% (ad valorem) |
| Section 301 Tariff (USITC) | 0.0% (Note: Most chemical/diagnostic products under 3822 may be exempt from Section 301, but verify current lists) |
| Section 122 Tariff | +10% (Specific surcharge for this category) |
| Total Tariff Rate | 10.0% |
| Tax Calculation | CIF Value × 10% |
| De Minimis Exemption | ❌ Not Applicable (Biological/Diagnostic reagents are generally excluded from Section 321 de minimis) |
| Legal Basis Path | 122 Clause: 10% → HS Code: 3822.19.00.30 |
📌 Explanation:
- The 10% total tax comes solely from the Section 122 tariff.
- Unlike electronics or steel, biological diagnostic reagents often benefit from lower base tariffs (0%).
- Crucial: Ensure the product description explicitly mentions "Antigen" or "Diagnostic Reagent" to justify this code.
🎯 2. 3002.13.00.90 – Other Immune Products (Non-Monoclonal)
| Item | Content |
|---|---|
| Basic Tariff | 0.0% |
| Section 301 Tariff (USITC) | 0.0% |
| Section 122 Tariff | +10% |
| Total Tariff Rate | 10.0% |
| Tax Calculation | CIF Value × 10% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | 122 Clause: 10% → HS Code: 3002.13.00.90 |
📌 Explanation:
- This code is for immune products that are not vaccines or specific blood components.
- Since the reagent contains antigens for immune reaction, it fits here.
- Same tax rate as above, but classification rationale is "immune product" vs. "diagnostic reagent."
🎯 3. 3002.12.00.90 – Other Blood Components & Immunological Products
| Item | Content |
|---|---|
| Basic Tariff | 0.0% |
| Section 301 Tariff (USITC) | 0.0% |
| Section 122 Tariff | +10% |
| Total Tariff Rate | 10.0% |
| Tax Calculation | CIF Value × 10% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis Path | 122 Clause: 10% → HS Code: 3002.12.00.90 |
📌 Explanation:
- This is a broader category for immunological products not covered in 3002.13.
- Use this if the reagent is considered a "blood derivative" or general immunological substance.
- Same tax rate, but potentially less precise for a "quantitative reagent kit."
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Preparation Checklist (Non-Negotiable)
| Document | Required | Notes |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must explicitly state "Contains Antigen/Antibody" and "For Quantitative Diagnosis." |
| ✅ Certificate of Analysis (COA) | ✔️ | Shows purity and composition of the antigen/antibody. |
| ✅ Commercial Invoice | ✔️ | Must clearly describe the item as "Antigen Antibody Quantitative Reagent" – avoid vague terms like "Chemical Mix." |
| ✅ Labeling (English) | ✔️ | Must include storage conditions (e.g., 2-8°C), shelf life, and intended use (IVD). |
| ✅ FDA Registration (if applicable) | ✔️ | If marketed as a medical device in the US, FDA 510(k) clearance may be required. |
| ✅ Packaging List | ✔️ | Detail contents: Kit components, controls, calibrators. |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Declare Biology, Not Chemistry! Specify 'Antigen', Avoid 'Generic Mix'!"
| Scenario | Correct Declaration | Wrong Approach |
|---|---|---|
| Reagent contains Antigen | "Antigen Antibody Quantitative Reagent, for IVD, contains specific antigen" | "Chemical Reagent for Lab Use" |
| Kit with Multiple Components | List as one unified kit under 3822.19.00.30 |
Split into "buffer," "antigen," "antibody" → Risk of higher duties or classification error |
| Temperature-Sensitive Goods | Declare "Refrigerated Biologics" | Declare as "General Chemicals" → Risk of spoilage & customs rejection |
| Origin Declaration | Clearly state "Made in China" | Vague origin → Triggers anti-dumping or Section 122 scrutiny |
✅ 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| OEM/Private Label | Provide authorization letter + original manufacturer’s specs. |
| Refrigerated Shipment | Use cold chain logistics; provide temperature monitoring logs. Customs may inspect temperature compliance. |
| Small Sample (De Minimis) | ❌ Do NOT use Section 321 (under $800). Biological/diagnostic items are often scrutinized or prohibited under de minimis. |
| FDA Regulatory Status | Check if the reagent is Exempt from 510(k) or requires Pre-market Notification. Non-compliance can lead to seizure. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3822.19.00.30 |
10% (122 Clause) | FDA Clearance | High scrutiny on biological content |
| 🇨🇳 China | 3822.19.00.30 |
0-5% | NMPA Registration | Domestic production may be cheaper |
| 🇪🇺 EU | 3822.00.90 |
0% | CE-IVD Mark | Strict IVD Regulation (2017/746) |
| 🇯🇵 Japan | 3822.00.90 |
0% | PMDA Approval | High quality standards |
| 🇬🇧 UK | 3822.00.90 |
0% | MHRA Compliance | Post-Brexit rules apply |
📌 Conclusion:
- USA is the only market with a 10% surcharge (Section 122) for these goods.
- EU, Japan, UK have 0% tariffs but strict regulatory barriers (CE-IVD, PMDA, MHRA).
- Cost Optimization: If shipping to the US, ensure the classification is accurate to avoid 122 penalties. Consider duty drawback if re-exporting.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring as "General Chemical Reagent"
👉 Consequence: Customs may reclassify under a different code with higher duties or delay for inspection.
👉 Fix: Always mention "Antigen" and "Diagnostic Use."
❌ Mistake 2: Splitting the Kit into Multiple Shipments
👉 Consequence: Each component may be taxed separately, and cold chain logistics become complex.
👉 Fix: Ship as one unified kit with a single HS Code.
❌ Mistake 3: Ignoring FDA Requirements
👉 Consequence: Goods may be detained at customs for lacking FDA registration.
👉 Fix: Verify FDA 510(k) status before shipping.
❌ Mistake 4: Using De Minimis for Biological Goods
👉 Consequence: Seizure or return of shipment due to prohibited/regulated biological content.
👉 Fix: Use full formal entry for all biological/diagnostic reagents.
✅ Correct Approach:
"Antigen Antibody Quantitative Reagent Kit, for In Vitro Diagnostic Use, Contains Specific Antigen, Refrigerated, FDA Registered, Model XYZ, Made in China."
🎯 VII. Conclusion: Precision in Classification, Savings in Duty
🎯 Remember the Mantra:
🔹 "Biological or Chemical? If it has Antigen, Declare it!
🔹 10% Duty in US, 0% in EU/JP, but Regulation is King!
🔹 Kit as One, Cold Chain is Key, FDA First, Clearance Sweet!**"
📌 Pro Tip:
If your reagent is originating from Vietnam, Mexico, or Thailand, you may qualify for IEEPA Exemptions or FTZ Benefits, reducing the 10% tariff to 0-5%.
Recommend Pre-Ruling (Advance Ruling) with US Customs to lock in the HS Code 3822.19.00.30 and confirm the 10% rate before shipping.
📣 Immediate Action:
📞 Contact a Customs Broker + Provide Product Specs + Apply for FDA Clearance
🚀 Ensure your Antigen Antibody Quantitative Reagent clears smoothly, avoids delays, and maximizes profit!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Dollar Saved is a Dollar Earned!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。