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:
Part of: 38 — Miscellaneous chemical products
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…
H259355 · 2017-12-19 — Request for a ruling; Classification of reference materials used in VITROS systems
(“requestor” or “OCD”). You request a ruling concerning the classification of eight reference materials used to calibrate, verify the calibration range, and monitor the performance of OCD’s VITROS Immunodiagnostic Systems under the Harmonized Tariff Schedule of the United States (“HTSUS”). FACTS: OCD requests a classification ruling on the following eight items: Intact PTH Control #6802895, Folate Range Verifiers #6800873, Troponin I ES Range Verifiers #6802303, Ferritin Calibrators #6800378 or #1158864, Anti-HIV 1+2 Calibrators #6801862, VITROS Immunodiagnostic Products Testosterone…
N256882 · 2015-02-05 — The tariff classification of chemical reagents imported in bulk from Canada
We apologize for the delay as the information submitted was sent to our laboratory for analysis. The first product, Iron-SL Dissociating Reagent (R1), consists of an acidic buffer solution containing a surfactant, preservatives and stabilizers. It is used to dissociate the iron in serum from the transferrin. According to our laboratory, R1 is intended for the separation of iron (III) from the protein transferrin in human serum. The second product, Iron-SL Color Reagent (R2), consists of a solution containing ferene (chromogen) and stabilizers. The ferrous iron reacts with the ferene to form a…
N258021 · 2014-12-22 — The tariff classification of chemical reagents imported in bulk from Germany
We apologize for the delay as the information submitted was sent to our laboratory for analysis. The first product, R1, consists of N, N-bis(2-hydroxyethyl) glycine (Bicine) buffer, colipase (porcine pancreas), a detergent and a preservative. It is used to increase the specificity of the assay for pancreatic lipase. According to our laboratory, R1 is an enzyme solution that is mixed with other chemicals. The second product, R3 (STAT R2), consists of a Tartrate buffer, 1,2-O-dilauryl-rac-glycero-3-glutaric acid-(6-methylresofurin) ester (chromogenic lipase substrate), taurodeoxycholate, a…
H129336 · 2011-07-11 — Modification of New York Ruling Letter 860953; Tariff Classification of Diasorin Dynabeads M-450 Tosylactivated and Dynabeads M-280 Tosylactivated products
HQ H129336 July 11, 2011 CLA–2 OT:RR:CTF:TCM H129336 AMM CATEGORY: Classification TARIFF NO.: 3822.00.50 Mr. Gregory Blyskal Dynal, Inc. 475 Northern Blvd. Great Neck, NY 11021 RE: Modification of New York Ruling Letter 860953; Tariff Classification of Diasorin Dynabeads M-450 Tosylactivated and Dynabeads M-280 Tosylactivated products Dear Mr. Blyskal, This is in regard to New York Ruling Letter (NY) 860953, issued to Dynal, Inc. (Dynal), dated March 38, 1991, regarding the classification under the Harmonized Tariff Schedule of the United States (HTSUS), of Dynabeads M-450 Tosylactivated…
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