# K231978: BioSieve™ Marijuana Test Panel 50; BioSieve™ Marijuana Test Strip 50; BioSieve™ Dx Marijuana Test Strip 20; BioSieve™ Dx Marijuana Test Strip 50; BioSieve™ Dx Marijuana Test Panel 20; BioSieve™ Dx Marijuana Test Panel 50

- Pathway: 510(k) (Traditional)
- Applicant: Vivachek Biotech (Hangzhou) Co., Ltd.
- Decided: Aug 31, 2023 after 59 days
- Product code: NFW (Test, Cannabinoid, Over The Counter)
- Device class: 2
- Regulation: 21 CFR 862.3870
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 10 generations back to K945610 (1995). 32 ancestors in all.
No later device cites it as a predicate yet.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K192301: BIOEASY Marijuana Test Dip Card, BIOEASY Marijuana Test Strip, Shenzhen Bioeasy Biotechnology Co., Ltd. (2019) Summary page 5.

## Indications for use
BioSieve™ Dx Marijuana Test Panel 20 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 20 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only. BioSieve™ Dx Marijuana Test Strip 20 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 20 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only. BioSieve™ Dx Marijuana Test Panel 50 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 50 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only. BioSieve™ Dx Marijuana Test Strip 50 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 50 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only. BioSieve™ Marijuana Test Panel 50 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 50 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only. BioSieve™ Marijuana Test Strip 50 is competitive binding, lateral flow immunochromatographic assay for qualitative detection of Marijuana in human urine at the cutoff concentrations of 50 ng/mL. The test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS or LC/MS is the preferred confirmatory method. For in vitro diagnostic use only.

Source page: https://510kreport.com/device/K231978
Methodology: https://510kreport.com/methodology