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
Request Test Kit
Order specimen collection supplies and requisition forms online or through your provider portal.
Send Specimen
Collect urine specimen, complete requisition form, and ship using prepaid label to our Charlotte lab.
Testing & QC
High-complexity LC/MS/MS analysis with rigorous quality control protocols and expert review.
Receive Report
Clear, actionable reports delivered to your portal. Consultation available for complex cases.
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.
Oxycodone
284 ng/mL
Benzoylecgonine
Positive (>500)
Gabapentin
Not Detected
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 →