# K033601: Labone Micro-Plate Cotinine Eia

- Pathway: 510(k) (Traditional)
- Applicant: Labone, Inc.
- Decided: Feb 10, 2004 after 88 days
- Product code: DLJ (Calibrators, Drug Specific)
- Device class: 2
- Regulation: 21 CFR 862.3200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K974234 (1998). 1 ancestor in all.
2 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K974234: Micro-Plate Cotinine Eia, OraSure Technologies, Inc. (1998) Summary page 1.

## Most influential descendants
- K223162: Healgen® Accurate Oral Fluid Drug Test, Healgen® Accurate Oral Fluid Drug Test COT (2023), 1 descendant of its own
- K252523: Healgen® Accurate Oral Fluid Drug Test COT/THC; Healgen® Accurate Oral Fluid Drug Test (2026), 0 descendants of its own

## Indications for use
LabOne Micro-Plate Cotinine EIA is a competitive micro-plate immunoassay for the qualitative and semi-quantitative determination of cotinine in oral fluid collected with the OraSure® Oral Fluid Specimen Collection Device. LabOne Micro-Plate Cotinine EIA is used as an aid in the detection of cotinine after use of tobacco products or other products containing nicotine. The test is for in Vitro use only. The LabOne Microplate Cotinine Calibrators are a device intended for medical purposes for use with the LabOne Microplate Cotinine assay to establish points of reference that are used in determination of values in the measurement of cotinine in saliva. The LabOne Microplate Cotinine Controls are intended for use as an assayed quality control matrix to monitor the precision and accuracy of the laboratory testing procedures for cotinine.

Source page: https://510kreport.com/device/K033601
Methodology: https://510kreport.com/methodology
