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N364257 · 2026-08-31 — RE: The tariff classification of rapid diagnostic test kits from China
Additional information was provided via email dated August 20 and August 24, 2026. The items under consideration are the iHealth Flu A&B/COVID-19/RSV Rapid Test (4-in-1), CVS™ COVID-19 & Flu A/B & RSV Antigen Test (4-in-1), iHealth COVID-19/Flu A&B Rapid Test (3-in-1), and iHealth COVID-19 Antigen Rapid Test. These products are immunological diagnostic tests intended for the qualitative detection of specific viral antigens in human respiratory specimens. Based on the documents and email provided, each retail box contains either 1, 2, 4, 5 or 25 tests, depending on the specific product. Each…
N356022 · 2025-12-12 — The tariff classification of gluten detection capsules and detection systems from China
, you requested a tariff classification ruling. The samples were received, examined, and disposed of. The first item under consideration is described as the single-use Gluten Detection Capsule. Each Capsule contains a lateral flow antibody test strip with two proprietary antibodies designed to detect gluten, a proprietary extraction buffer, and spindle-shaped features. The cap of the Capsule has teeth-shaped features. When the cap is screwed down, it helps to grind the food and release the extraction buffer. The Capsule must be inserted into the Sensor to complete the gluten detection test.…
N351293 · 2025-07-24 — 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 reagent). They are designed solely for use by persons with diabetes to monitor their blood glucose levels. The blood glucose test strip is designed to be inserted into a blood glucose meter. The user applies a small sample of blood obtained using a lancing device to the test strip. Glucose in the blood sample reacts with the chemical mixture on the test…
N351311 · 2025-07-24 — 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 chemical mixture (a reagent). They are designed solely for use by persons with diabetes to monitor their blood glucose levels. The blood glucose test strip is designed to be inserted into a blood glucose meter. The user applies a small sample of blood obtained using a lancing device to the test strip. Glucose in the blood sample reacts with the chemical mixture…
N351314 · 2025-07-24 — 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 measure their blood ketone levels. The blood ketone test strip is designed to be inserted into a blood ketone meter. The user applies a small sample of blood obtained using a lancing device to the test strip. Ketone in the blood sample reacts with the chemical mixture on the test strip. This yields a small electrical current. The ketone meter measures this…
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