Interpreting Test Results
Your First Check® Home Drug Test will provide you with results in 5 minutes. You should not wait longer than 10 minutes to read the results.
A red or pink line must appear next to the word “Control” to indicate the test has worked correctly.
A red or pink colored line next to the word “Control” AND a red or pink colored line next to the word “Drug” indicates a Negative Result for that drug, regardless of how dark or faint the lines may appear. No future testing is required.
A red or pink colored line next to the word “Control” and NO line next to the word “Drug” indicated a Preliminary Positive for that drug.
If after 10 minutes NO line appears next to the word "Control," the result in Invalid.
Before taking the test, users must read all of the content in the package insert.
To Learn More
Watch the Interpreting Test Results Video
Free Laboratory Confirmation
The First Check Home Drug Test is considered a screening test. We recommend all preliminary positive results be sent to the laboratory for free confidential confirmatory testing.
Our state-of-the-art lab is one of the nation′s premier forensic drug testing facilities and uses Gas chromatography/mass spectrometry (GC/MS), the gold standard for lab testing most drugs. We offer the most accurate result possible, while maintaining strict confidentiality.
How to Send Your Sample
First Check customers can send their sample to the lab using the pre-addressed mailing box included in the First Check Home Drug Test kit.