Subheading · Chapter 38 · Heading 3822
3822.19: Diagnostic or laboratory reagents on a backing, prepared: other
Other diagnostic and laboratory reagents
Official description Other
3822.19 is the HS subheading for other diagnostic and laboratory reagents, under heading 3822 in chapter 38.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3822 19 00 00 Other Free
- 3822 19 00 10 For sars-cov virus species Free
- 3822 19 00 90 Other Free
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 598
- Documents
- 9014
Import requirements 2
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Syria, Ukraine
- Legal act
- S.I. 2019/792, S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Syria
- Legal act
- S.I. 2019/792
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code "EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| CPTPP | Brunei, Chile, Malaysia, Mexico | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £514m | 42.4% | +7.6% |
 Germany | £185m | 15.3% | +3.9% |
 Singapore | £87.3m | 7.2% | +26% |
 Sweden | £69.5m | 5.7% | -17.2% |
 Ireland | £56.7m | 4.7% | +6.9% |
 China | £43.3m | 3.6% | +11.5% |
| United Kingdom | £37.7m | 3.1% | +8.1% |
 France | £26.9m | 2.2% | +7.2% |
Same subheading in other tariffs
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 3 tariff lines USA Free General (MFN) 1 tariff line 
Canada Free General (MFN) 1 tariff line 
Mexico Free – 5% General (MFN) 7 tariff lines · average 2.9% 
Brazil Free – 12.6% General (MFN) 5 tariff lines · average 4.3% 
Argentina Free – 12.6% General (MFN) 17 tariff lines · average 9.5% 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan Free – 5% General (MFN) 6 tariff lines · average 3.3% 
GCC Free General (MFN) 3 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia Free General (MFN) 1 tariff line 
Nigeria Free General (MFN) 1 tariff line World trade in 2024
Trade value (US$) no reported trade < US$101kUS$101k+US$9m+US$336m+> US$1.7bn
Exports: 191
- United States: US$11bn
- Germany: US$8bn
- Ireland: US$2.4bn
- China: US$2.2bn
- France: US$1.7bn
- United Kingdom: US$1.7bn
- Netherlands: US$1.6bn
- Japan: US$1.5bn
- Sweden: US$1.4bn
- Singapore: US$1.4bn
- Canada: US$711m
- Lithuania: US$703m
- Italy: US$701m
- South Korea: US$682m
- Spain: US$501m
- Belgium: US$492m
- Poland: US$376m
- Denmark: US$357m
- Norway: US$336m
- Finland: US$331m
- Taiwan: US$276m
- Austria: US$193m
- Switzerland: US$185m
- Mexico: US$150m
- Czechia: US$128m
- Hungary: US$98m
- India: US$76m
- Thailand: US$69m
- South Africa: US$68m
- Australia: US$65m
- Türkiye: US$59m
- Ukraine: US$52m
- Vietnam: US$38m
- Hong Kong SAR China: US$37m
- Argentina: US$30m
- Luxembourg: US$28m
- Portugal: US$25m
- Russia: US$24m
- Israel: US$22m
- Brazil: US$21m
- Latvia: US$18m
- Kazakhstan: US$17m
- Greece: US$15m
- Serbia: US$14m
- Slovenia: US$11m
- Estonia: US$9m
- New Zealand: US$8m
- Croatia: US$8m
- Slovakia: US$7m
- United Arab Emirates: US$7m
- Bulgaria: US$7m
- Costa Rica: US$5m
- Chile: US$5m
- Philippines: US$5m
- Malaysia: US$5m
- Cyprus: US$5m
- Romania: US$5m
- Armenia: US$3m
- Albania: US$1m
- Panama: US$972k
Trade value (US$) no reported trade < US$15mUS$15m+US$86m+US$362m+> US$1.4bn
Imports: 223
- United States: US$5.7bn
- Germany: US$4.2bn
- China: US$3.9bn
- Netherlands: US$2.4bn
- France: US$1.8bn
- Japan: US$1.6bn
- Italy: US$1.4bn
- United Kingdom: US$1.4bn
- Spain: US$896m
- Canada: US$891m
- South Korea: US$801m
- Belgium: US$712m
- Australia: US$679m
- India: US$617m
- Mexico: US$587m
- Brazil: US$584m
- Switzerland: US$579m
- Saudi Arabia: US$540m
- Poland: US$504m
- Singapore: US$467m
- Russia: US$412m
- Austria: US$402m
- Taiwan: US$362m
- Türkiye: US$353m
- Sweden: US$314m
- Ireland: US$300m
- Czechia: US$297m
- South Africa: US$289m
- United Arab Emirates: US$256m
- Denmark: US$247m
- Hong Kong SAR China: US$224m
- Colombia: US$220m
- Vietnam: US$204m
- Thailand: US$201m
- Romania: US$195m
- Portugal: US$190m
- Chile: US$185m
- Norway: US$179m
- Indonesia: US$171m
- Israel: US$170m
- Greece: US$167m
- Philippines: US$159m
- Kuwait: US$156m
- Argentina: US$151m
- Finland: US$147m
- Malaysia: US$129m
- Hungary: US$121m
- Lithuania: US$119m
- Egypt: US$104m
- Kazakhstan: US$94m
- Serbia: US$94m
- Algeria: US$92m
- Kenya: US$92m
- Ukraine: US$90m
- Pakistan: US$90m
- Iran: US$86m
- Slovakia: US$82m
- Peru: US$82m
- New Zealand: US$82m
- Zambia: US$73m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$11bn | 27.7% |
| 2 | Germany | US$8bn | 20.1% |
| 3 | Ireland | US$2.4bn | 5.9% |
| 4 | China | US$2.2bn | 5.4% |
| 5 | France | US$1.7bn | 4.3% |
| 6 | United Kingdom | US$1.7bn | 4.2% |
| 7 |  Netherlands | US$1.6bn | 4.1% |
| 8 | Japan | US$1.5bn | 3.7% |
| 9 | Sweden | US$1.4bn | 3.5% |
| 10 | Singapore | US$1.4bn | 3.5% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$5.7bn | 14.4% |
| 2 | Germany | US$4.2bn | 10.5% |
| 3 | China | US$3.9bn | 9.8% |
| 4 | Netherlands | US$2.4bn | 6% |
| 5 | France | US$1.8bn | 4.4% |
| 6 | Japan | US$1.6bn | 4% |
| 7 |  Italy | US$1.4bn | 3.5% |
| 8 | United Kingdom | US$1.4bn | 3.5% |
| 9 |  Spain | US$896m | 2.2% |
| 10 | Canada | US$891m | 2.2% |
Import duty on this product around the world 93
The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.
- 0%median duty
- 68number of duty-free countries (MFN)
- 25%highest: Bermuda, Pakistan, Algeria
93
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
 Albania | 0% | 2023 | |
 Algeria | 13% | 5% – 15% | 2023 |
 Armenia | 4% | 3% – 5% | 2023 |
 Australia | 3% | 0% – 5% | 2023 |
 Bahamas | 0% | 2022 | |
 Bahrain | 0% | 2023 | |
 Belize | 5% | 2023 | |
 Benin | 0% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 0% | 2022 | |
 Bosnia & Herzegovina | 5% | 2022 | |
 Botswana | 0% | 2023 | |
 Burkina Faso | 0% | 2023 | |
 Burundi | 0% | 2023 | |
 Cameroon | 10% | 2023 | |
| Canada | 0% | 2023 | |
 Central African Republic | 10% | 2023 | |
 Chad | 10% | 2023 | |
| China | 3% | 2023 | |
 Congo - Brazzaville | 10% | 2023 | |
 Costa Rica | 0% | 2023 | |
 Dominican Republic | 0% | 2023 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 0% | 2023 | |
| European Union (27 countries) | 0% | 2023 | |
 Fiji | 0% | 2023 | |
 French Polynesia | 8% | 2023 | |
 Gabon | 10% | 2023 | |
 Gambia | 0% | 2023 | |
 Ghana | 0% | 2023 | |
 Guatemala | 0% | 2023 | |
 Guinea | 0% | 2023 | |
 Guinea-Bissau | 0% | 2023 | |
 Honduras | 0% | 2023 | |
 Hong Kong SAR China | 0% | 2023 | |
 Iceland | 0% | 2023 | |
 India | 10% | 2023 | |
 Indonesia | 10% | 2023 | |
 Jamaica | 0% | 2023 | |
| Japan | 0% | 2023 | |
 Jordan | 0% | 2023 | |
 Kazakhstan | 2.5% | 0% – 5% | 2023 |
 Kenya | 0% | 2023 | |
 Kuwait | 0% | 2023 | |
 Lesotho | 0% | 2023 | |
 Liberia | 0% | 2023 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 0% | 2023 | |
 Malaysia | 0% | 2023 | |
 Maldives | 0% | 2023 | |
 Mali | 0% | 2023 | |
 Mauritius | 0% | 2023 | |
 Mongolia | 5% | 2023 | |
 Morocco | 5% | 2.5% – 10% | 2023 |
 Mozambique | 0% | 2023 | |
 Namibia | 0% | 2023 | |
 Nepal | 5% | 2023 | |
| New Zealand | 0% | 2023 | |
 Nicaragua | 0% | 2023 | |
 Niger | 0% | 2023 | |
| Nigeria | 0% | 2023 | |
| North Macedonia | 0% | 2023 | |
| Norway | 0% | 2023 | |
 Oman | 0% | 2023 | |
 Pakistan | 20% | 2023 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Philippines | 1% | 2023 | |
 Qatar | 0% | 2023 | |
 Rwanda | 0% | 2023 | |
 Saudi Arabia | 0% | 2023 | |
 Senegal | 0% | 2023 | |
 Seychelles | 0% | 2023 | |
 Sierra Leone | 0% | 2023 | |
 South Africa | 0% | 2023 | |
 South Korea | 2% | 0% – 8% | 2023 |
 Sri Lanka | 0% | 2023 | |
 St Kitts & Nevis | 0% | 2023 | |
 St Vincent & the Grenadines | 0% | 2023 | |
| Switzerland | 0% | 2023 | |
 Tanzania | 0% | 2023 | |
 Thailand | 3% | 2023 | |
 Togo | 0% | 2023 | |
| Türkiye | 0% | 2023 | |
 Uganda | 0% | 2023 | |
 United Arab Emirates | 0% | 2023 | |
| United Kingdom | 0% | 2023 | |
| United States | 0% | 2023 | |
 Vanuatu | 0% | 2023 | |
 Vietnam | 0% | 2023 | |
 Zambia | 0% | 2023 | |
 Zimbabwe | 0.1% | 2023 |
Tariff data years 2022–2023; rates may have changed since. · UNCTAD TRAINS, accessed via WITS (World Bank)
Classifications and correspondences
Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.
- SITC Rev. 4
- 59869 Composite diagnostic/laboratory reagents, n.e.s.
- End use (BEC Rev. 5)
- Intermediate goods · BEC 711220
- CPC 2.1 product
- 35270 Other pharmaceutical products35440 Modelling pastes; "dental wax" or "dental impression compounds"; other preparations for use in dentistry with a basis of plaster; preparations and charges for fire-extinguishers; charged fire-extinguishing grenades; prepared culture media for development and maintenance of micro-organisms and plant, human or animal cells; composite diagnostic or laboratory reagents n.e.c.
- ISIC Rev. 4 activity
- 2100 Manufacture of pharmaceuticals, medicinal chemical and botanical products2029 Manufacture of other chemical products n.e.c.3250 Manufacture of medical and dental instruments and supplies
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 3002.13, 3002.14, 3002.15, 3822.00 | changed |
| 2012 | 3002.10, 3822.00 | changed |
| 2007 | 2925.29, 2933.29, 2934.99, 2937.90, 3002.10, 3002.20, 3002.90, 3822.00, 3907.20 | changed |
| 2002 | 2925.20, 2933.29, 2934.99, 2937.90, 3002.10, 3002.20, 3002.90, 3822.00, 3907.20 | changed |
| 1996 | 2925.20, 2933.29, 2933.90, 2934.90, 2937.99, 3002.10, 3002.20, 3002.90, 3822.00, 3907.20 | changed |
| 1992 | 2925.20, 2933.29, 2933.59, 2933.90, 2934.90, 2937.99, 3002.10, 3002.20, 3002.90, 3822.00, 3907.20, 3921.90, 3926.90, 4811.90, 4823.90 | changed |
Correspondence tables of the United Nations Statistics Division (UNSD)
Binding rulings for similar goods 27
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N364257 U.S. CBP
The tariff classification of rapid diagnostic test kits from China
- N358273 U.S. CBP
The tariff classification of diagnostic ELISA kits from Sweden
- N356022 U.S. CBP
The tariff classification of gluten detection capsules and detection systems from China
- N351293 U.S. CBP
The tariff classification of blood glucose test strips from Taiwan and South Korea
- N351311 U.S. CBP
The tariff classification of blood glucose test strips from South Korea
- N351314 U.S. CBP
The tariff classification of blood beta-Ketone test strips from South Korea
- 600014517 HMRC
A kit intended to assist in the diagnosis of intestinal parasitic infection in humans. This is done by suspension of fecal samples in the provided tubes with reagents and then centrifuged to concentrate the cysts/oocysts, to enhance microscopy. It is composed of plastic tubes and reagents for…
- 600014521 HMRC
A kit intended to assist in the diagnosis of intestinal parasitic infection in humans. This is done by suspension of fecal samples in the provided tubes with reagents and then centrifuged to concentrate the cysts/oocysts, to enhance microscopy. It is composed of plastic tubes and reagents for…
- 600013506 HMRC
Strips imbued with a chemical indicator which changes colour from magenta to yellow/orange in the presence of Hydrogen Peroxide. Used in vaporised hydrogen peroxide sterilisation systems. The strips are made of a plastic backing onto which a chemical indicator ink spot is deposited beside a…
- 600012643 HMRC
The product is an HDL-Cholesterol Calibrator, which is a lyophilised human serum calibrator. It contains 26.7% Human Serum. The HDL (High-Density Lipoprotein) cholesterol is used to accurately calibrate a laboratory instrument. By measuring the HDL levels in a blood sample, ensuring the results…
- 600012648 HMRC
The product is an FDP Calibrator set used to accurately calibrate a laboratory instrument that measures Fibrinogen Degradation Products (FDP) levels in a patient's blood sample, allowing for precise determination of FDP concentration by creating a reference curve against unknown samples are…
- 600012649 HMRC
The fibrinogen degradation product (FDP) control reagent, is used to monitor the accuracy of an FDP test, it is typically a commercially prepared solution containing a known concentration of fibrin degradation products, often used in a latex agglutination assay format, which allows for the visual…
27 rulings in total for this code
Code history
Since 2022; before, these goods were classified under 3002.13, 3002.14, 3002.15, 3002.19, 3822.00.
In the UK Global Tariff, subheading 3822.19 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature has one tariff line for subheading 3822.19; the duty is duty-free.
Goods from 164 countries can enter the UK at a preferential rate instead of the standard Free; 164 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
In the 12 months to August 2026, the UK imported other diagnostic and laboratory reagents worth £1.2bn (up 6% on the year before), at an average of £99.07 per kg; United States supplied 42%, followed by Germany.
World trade in other diagnostic and laboratory reagents reached US$39.9bn in 2024, up 3.1% on 2023.
The United States was the largest exporter with 27.7% of the total, ahead of Germany.
Products classified here
Questions and answers
What is the HS code for diagnostic or laboratory reagents on a backing, prepared: other?
Diagnostic or laboratory reagents on a backing, prepared: other fall under HS subheading 3822.19, part of heading 3822, in section VI of the Harmonized System.
What is the import duty on diagnostic or laboratory reagents on a backing… in the UK?
Under the UK Global Tariff, imports under 3822.19 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on diagnostic or laboratory reagents on a backing… in the EU?
Under the EU Combined Nomenclature, imports under 3822.19 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most diagnostic or laboratory reagents on a backing…?
The United States, with US$11bn in 2024 (27.7% of world exports).
Which countries can export other diagnostic and laboratory reagents to the UK duty-free?
164 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.
Is there anti-dumping duty on other diagnostic and laboratory reagents?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import other diagnostic and laboratory reagents from?
In the 12 months to August 2026, the largest suppliers were United States (42%), Germany (15%) and Singapore (7%), out of total imports of £1.2bn.
Typical products
- calibrator set, fibrinogen degradation products (fdp)
- cholesterol calibrator, hdl
- covid tests
- metal detector, test tablets
Everyday names, not part of the legal text.