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: > Other > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified under HTS 3822.19.00.80
ELISA Test Kit for Human Insulin
A complete enzyme-linked immunosorbent assay (ELISA) kit designed for quantitative detection of human insulin in serum or plasma samples. This prepared diagnostic reagent kit contains coated microplates, standards, controls, and detection antibodies, classified under HTS 3822.19.0080 as prepared laboratory reagents put up in kit form for in vitro diagnostic use, not of heading 3006.
PCR Master Mix Kit for COVID-19 Detection
A polymerase chain reaction (PCR) master mix kit containing primers, probes, enzymes, and buffers specifically formulated for SARS-CoV-2 RNA detection. Classified under HTS 3822.19.0080 as a prepared laboratory reagent kit for molecular diagnostic testing, excluding those of heading 3006.
Luminex Bead-Based Multiplex Assay Kit
Magnetic microsphere-based assay kit for simultaneous detection of multiple cytokines in biological samples using flow cytometry. This prepared diagnostic reagent on beads (backing) is classified under HTS 3822.19.0080 for laboratory reagents put up in kit form.
Certified Reference Material NIST SRM 1950
NIST Standard Reference Material 1950 containing certified concentrations of metabolites in human serum for calibration of clinical analyzers. Classified under HTS 3822.19.0080 as certified reference materials used as laboratory standards.
Lateral Flow Rapid Test Strip Kit for Pregnancy
Immunochromatographic rapid test kit containing hCG detection strips, cassette housing, and reagents for urine pregnancy testing. Classified under HTS 3822.19.0080 as prepared diagnostic reagents on backing in kit form.
Western Blot Protein Detection Kit
Complete western blotting kit containing HRP-conjugated secondary antibodies, blocking buffers, and chemiluminescent substrate for protein detection. HTS 3822.19.0080 classification for prepared laboratory reagent kits.
Flow Cytometry Antibody Cocktail for Leukemia Panel
Pre-mixed fluorescent antibody cocktail for 10-color flow cytometry immunophenotyping of leukemia cells. Classified under HTS 3822.19.0080 as prepared diagnostic reagents for laboratory use.
qRT-PCR RNA Extraction and Quantification Kit
All-in-one kit for RNA purification from cells/tissues plus cDNA synthesis reagents and qPCR master mix with normalization controls. HTS 3822.19.0080 for prepared molecular biology laboratory reagents.
Enzyme Immunoassay Kit for Vitamin D Testing
Competitive ELISA kit for 25-hydroxyvitamin D quantification in serum using enzyme-labeled tracer and magnetic microparticles. Prepared diagnostic reagent classified under HTS 3822.19.0080.
Cell Culture Contamination Detection Mycoplasma Kit
PCR-based detection kit for 12 common mycoplasma species contaminating cell cultures, including PCR master mix, primers, and positive controls. Laboratory reagent kit under HTS 3822.19.0080.
Fluorescence In Situ Hybridization (FISH) Probe Kit
Fluorescently labeled DNA probe kit for detecting 11q23 rearrangements in leukemia patients using FISH technique on fixed cells. Prepared diagnostic reagent on slide/backing under HTS 3822.19.0080.
Next-Generation Sequencing Library Prep Kit
Complete NGS library preparation kit with fragmentation enzymes, end-repair reagents, adapters, and indexing primers for Illumina platforms. Molecular biology laboratory reagents under HTS 3822.19.0080.
Immunohistochemistry (IHC) Antibody Panel for Breast Cancer
Ready-to-use IHC antibody cocktail for ER/PR/Her2Neu staining on FFPE breast tissue sections, including antigen retrieval buffer. Diagnostic reagent kit classified under HTS 3822.19.0080.
Mass Spectrometry Protein Standard Mix
Certified mixture of 48 proteins at femtogram/attomole levels for LC-MS/MS instrument calibration and sensitivity testing. Certified reference material under HTS 3822.19.0080.
CRISPR Cas9 Gene Editing Validation Kit
Sanger sequencing and T7E1 mismatch cleavage kit for verifying CRISPR/Cas9 editing efficiency with positive control plasmids. Laboratory reagent kit under HTS 3822.19.0080.