Enroll in a US Drug Test Centers Membership for DOT Random Testing & Clearinghouse


Laboratory Partners - Labcorp

Providing drug testing services nationwide requires US Drug Test Centers to work with the most qualified laboratories. Our drug testing services include collection of urine specimens for drug testing, a Substance Abuse and Mental Health Services Administration (SAMHSA)-certified laboratory for drug analysis along with review and verification of drug test results by a qualified Medical Review Officer.

Laboratory Corporation of America Holdings or LabCorp is a large laboratory system we utilize across the country. The drug testing laboratories at Labcorp are certified by the Substance Abuse and Mental Health Services Administration (SAMHSA). These labs conduct urine testing in compliance with CFR, Title 49, Part 40 regulations. As a result of the certifications and accreditation these labs participate in rigorous lab proficiency testing providing excellence in quality control.

Proficiency testing at LabCorp includes:

  • Internal proficiency testing to maintain quality assurance
  • External proficiency testing to maintain accreditation and certification
  • State proficiency testing on a regular basis (as applicable)

LabCorp has collections site throughout the country (over 1000) and operates the following SAMHSA certified laboratories:

  • LabCorp, Houston, TX
  • LabCorp, Raritan, NJ
  • LabCorp, Research Triangle Park, NC
  • LabCorp, Southaven, MS
  • MedTox Laboratories, Inc. (owned by LabCorp) St. Paul, MN

LabCorp Testing Services

Many difference drug testing services are offered including:

  • Urine Testing
  • Hair Testing
  • Specimen Validity Testing
  • Instant or Point of Collection Testing
  • Medical Professional Profiles
  • Expanded (Prescription) Opiate Testing
  • Alcohol Testing
  • Synthetic Drug Testing

Labcorp Hair Testing

Labcorp working with its partner for hair testing, United States Drug Testing Laboratories, Inc. (USDTL) offers an extensive menu for hair drug testing. The different panels for hair testing from LabCorp include:

Hair Drug Test Panels

  • 5 Panel Hair
  • 5 Panel Hair w/Expanded OPIATES
  • Hair 7 Panel
  • Hair Drug Screen 9 Panel
  • Hair Drug Screen 12 Panel
  • Hair 14 Panel

Drugs That Can Be Tested

  • Amphetamines
  • Cannabinoids
  • Cocaine
  • Opiates
  • Phencyclidine
  • Benzodiazepines
  • Barbiturates
  • Methadone
  • Propoxyphene
  • Oxycodone
  • Meperidine
  • Tramadol
  • Fentanyl
  • Sufentanil
  • Ketamine
  • Buprenorphine
  • Zolpidem

Drugs of Abuse Reference Guide

Labcorp offers a free Drugs of Abuse Reference Guide to understand common drugs included in urine drug screening, cut-off levels and detection times for urine drug testing. These general guidelines only. Many variables may affect duration of detectability, such as drug metabolism and half-life, subject’s physical condition, fluid balance and state of hydration, and route and frequency of ingestion.

Reasons for Drug Testing

We rely on Labcorp to help us to help employers with testing reasons:

  • Pre-employment
  • Return to Duty
  • Random
  • Post-Accident
  • Follow up
  • Reasonable Suspicion

Other customers we service utilizing LabCorp are folks needing drug testing for:

  • Probation
  • Court Ordered
  • Divorce
  • Child Custody
  • Personal Testing
  • Family Testing (Teens and Adult Children)

For help with drug testing you can count on US Drug Test Centers and our partner laboratory – LabCorp. Find a testing location near you. Join the thousands of employers who have chosen to protect their organizations from the negative impacts of illicit drug use by implementing a comprehensive drug free workplace.