Tag: false positives
Cross-Reactivity: Understanding False Positives in Drug Testing
- By : Ian Brophy
- Date : Sep 3 2026
Discover how cross-reactivity causes false positives in drug testing. Learn which medications trigger alarms and why confirmatory testing is essential.
Immunoassay Screening for Initial Drug Detection in Forensic Toxicology
- By : Ian Brophy
- Date : Aug 16 2026
Learn how immunoassay screening works for initial drug detection in forensic toxicology. Understand the limits of rapid tests, common false positives, and why confirmatory testing is essential for accurate legal and medical outcomes.