High-Complexity CLIA/COLA Laboratory

Clinical Toxicology
That Clinicians Trust

LC/MS/MS definitive testing for pain management, behavioral health, and workplace compliance. Fast turnaround. Clear reports. Defensible results.

Why Healthcare Providers Choose PHD

Precision toxicology testing that supports better patient care and clinical decision-making

Definitive Accuracy

LC/MS/MS technology eliminates false positives and provides quantitative results you can trust for medical and legal defensibility.

Rapid Turnaround

Presumptive results in 24 hours. Definitive confirmation in 2-3 business days. Keep your practice moving efficiently.

Clear Reporting

Simple "Consistent" or "Inconsistent" flags help you make immediate clinical decisions without wading through complex data.

Expert Support

Our toxicology team is available to answer questions and provide consultation on complex cases and interpretation.

CLIA/COLA Certified

High-complexity laboratory certification ensures the highest standards of quality, accuracy, and regulatory compliance.

Comprehensive Panels

Broad detection of opioids, benzodiazepines, stimulants, cannabinoids, and more. Customizable to your clinical needs.

Two-Tier Testing Approach

Combining speed with precision for optimal clinical decision-making

1. Presumptive Screening

Quick qualitative analysis to identify the potential presence of drug classes.

  • Fast turnaround times
  • Broad detection of common classes
  • Ideal for routine clinical visits

2. Definitive Confirmation

High-accuracy quantitation using Liquid Chromatography-Tandem Mass Spectrometry (LC/MS/MS).

  • Precise identification & measurement
  • Eliminates false positives
  • Defensible for medical/legal needs

Who Benefits From Our Testing?

Supporting clinical excellence across multiple specialties and settings

Pain Management Clinics

Monitor compliance with opioid therapy, detect diversion, and identify undisclosed substance use that could interact with pain medications.

  • Prescription compliance monitoring
  • Detection of illicit substances
  • Medication safety oversight

Behavioral Health

Support addiction treatment programs, medication-assisted treatment (MAT), and psychiatric care with objective monitoring.

  • Substance abuse treatment tracking
  • MAT compliance verification
  • Relapse detection and intervention

Workplace & DOT Testing

Ensure workplace safety with pre-employment, random, and post-incident drug screening. DOT-compliant testing available.

  • DOT-regulated testing
  • Pre-employment screening
  • Random & post-incident testing

Primary Care & Urgent Care

Support clinical decision-making with fast, accurate toxicology results for suspected overdose, drug interactions, or medication safety concerns.

  • Overdose identification
  • Drug interaction screening
  • Emergency toxicology support

Simple, Fast, Reliable Process

From collection to results in just a few days

01. Order Supplies

Request Test Kit

Order specimen collection supplies and requisition forms online or through your provider portal.

02. Collect & Ship

Send Specimen

Collect urine specimen, complete requisition form, and ship using prepaid label to our Charlotte lab.

03. Lab Analysis

Testing & QC

High-complexity LC/MS/MS analysis with rigorous quality control protocols and expert review.

04. Results

Receive Report

Clear, actionable reports delivered to your portal. Consultation available for complex cases.

24 Hours
Presumptive Screening
2-3 Days
Definitive Confirmation
CLEAR, ACTIONABLE REPORTS

Interpreting Results Made Simple

Our reports don't just list numbers. We provide clear interpretation flags to help providers make immediate decisions.

Consistent

Prescribed medication was detected as expected.

Inconsistent

Prescribed medication was not found OR a non-prescribed/illicit substance was detected.

AnalyteInterpretation

Oxycodone

284 ng/mL

CONSISTENT

Benzoylecgonine

Positive (>500)

INCONSISTENT

Gabapentin

Not Detected

INCONSISTENT

Ready to Partner With PHD Laboratory?

Join hundreds of providers who trust our toxicology services for accurate, actionable results that support better patient outcomes.

Questions About Testing?

Our toxicology specialists are available to discuss test menus, specimen requirements, and result interpretation.

Contact Our Team →

Existing Provider?

Log in to your account to view results, download reports, and manage your testing workflow.

Access Provider Portal →