3822.19.00

Other

Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials: Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits

Heading: 3822 Chapter: 38 As of August 15, 2026

Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.

Duty rates

Column 1 (General / MFN)

Free

Column 2 (Non-NTR)

25%

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

No active Chapter 99 measures are linked to this code.

Rate-change history

What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.

  1. NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)

    Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026

    See the change →
  2. Base rate HTS 2023

    Column 1 general rate set to Free.

Related CBP rulings

N358273 February 13, 2026

The tariff classification of diagnostic ELISA kits from Sweden

Additional information was provided via email dated February 12, 2026. Mercodia Glucagon ELISA kit (10-1271-01) is a solid phase two-site enzyme immunoassay. It is based on the direct sandwich technique in which two monoclonal antibodies ar

N356022 December 12, 2025

The tariff classification of gluten detection capsules and detection systems from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N351293 July 24, 2025

The tariff classification of blood glucose test strips from Taiwan and South Korea

The items in consideration are GLUCOCARD Expression Blood Glucose Test Strips (Part # 570050) and ReliOn Confirm/Micro Blood Glucose Test Strips (Part # 710050). They are made of different layers and one layer contains a chemical mixture (a

N351314 July 24, 2025

The tariff classification of blood beta-Ketone test strips from South Korea

The item in consideration is KetoSens blood beta-Ketone Test Strips (Part # 276151). They are made of different layers and one layer contains a chemical mixture (a reagent). They are designed solely for use by persons with diabetes to measu

N351311 July 24, 2025

The tariff classification of blood glucose test strips from South Korea

The items in consideration are CareSens N Blood Glucose Test Strips (Part # 164104-205) and two other types of Blood Glucose Test Strips (Part # TE-BBGS-A1 and Part # 343105). They are made of different layers and one layer contains a chemi

N350835 July 17, 2025

The tariff classification of blood glucose test strips from South Korea

The items in consideration are Meijer Essential Blood Glucose Test Strip (Part # 8000-07072), and Bigfoot Blood Glucose Test Strip (Part # 8000-10677). They are made of different layers and one layer contains a chemical mixture (a reagent).

N350753 July 16, 2025

The tariff classification of blood glucose test strips from Taiwan

The products under consideration are ARKRAY’s blood glucose test strips (Assure Platinum Test Strip - part # 500100, GLUCOCARD Vital Test Strips - part # 760050, and ReliOn Prime Test Strips - part# 700100). They are made of different layer

N350754 July 16, 2025

The tariff classification of blood glucose test strips from South Korea

The products under consideration are ARKRAY’s blood glucose test strips (GLUCOCARD Shine Blood Glucose Test Strips - part # 542050, ReliOn Premier Blood Glucose Test Strips - Part # 780100, and Assure Prism multi Blood Glucose Test Strips -

N350833 July 16, 2025

The tariff classification of blood glucose test strips from South Korea

The items in consideration are AgaMatrix Presto Blood Glucose Test Strip (Part # 8000-10430), AgaMatrix Jazz Blood Glucose Test Strip (Part # 8000-10431), CareSens S Blood Glucose Test Strip (Part # 8000-10974), AgaMatrix AMP Test Strip (Pa

N348214 May 16, 2025

The tariff classification of a His Tag ELISA (Enzyme-Linked Immunosorbent Assay) Detection Kit from China

His Tag ELISA Detection Kit is a competition ELISA (Enzyme-Linked Immunosorbent Assay), developed for rapid and high throughput detection of His-tagged proteins. The kit is packed for retail sale and contains the following components: one H

N347822 May 12, 2025

The tariff classification of a forensic-use fentanyl detection device from China

The user removes the pin and pushes the base of the device up which releases the water and allows the liquid sample to travel vertically up the immunoassay test strip containing monoclonal antibodies that are specific to fentanyl and its an

N331539 May 22, 2023

The tariff classification of a BPF SPA Rapid Kit from Spain

We apologize for the delay as the information submitted was sent to our laboratory for analysis. The “BPF SPA Rapid Kit” is used to detect somatic coliphages which indicate the presence of fecal pollution in water. The kit contains all the

Other codes in heading 3822

View all codes in heading 3822 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 3822.19.00 from each major US trading partner.

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