Lab Services

Toxicology
Legally defensible testing for employers, government, transportation (DOT) and more. GC/MS & LC/MS for urine and oral fluid.
Covid-19
Return-to-work and vital agency testing. PCR and antibody testing available.
Hair
Accurate and effective, with rapid 72-hour turnaround.
Pharmacogenetics
Medication-tailored pharmacogenetic testing on an FDA-cleared platform. 48–72 hour turnaround.
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Lab Testing Services
Description
National Screening Corp. is your trusted provider of comprehensive testing for medication monitoring, illicit drugs, alcohol and pharmacogenetic testing.
Our partner laboratory screens and confirms results at the highest certification levels, ensuring the utmost accuracy and reliability for our clients. Department of Transportation (DOT) testing is also available.
Laboratory Certifications
- SAMHSA certified
- CLIA certified
- CAP accredited
- DHHS certified
- DOT testing available
Services
- Toxicology — urine and oral fluid, GC/MS & LC/MS confirmation
- Covid-19 — PCR and antibody
- Hair testing — 72-hour turnaround
- Pharmacogenetics — 48–72 hour turnaround










