Fast, Accredited Drug, Alcohol & Legal DNA Testing in Marshall, TX
SAMHSA-certified partner lab results, AABB-accredited legal DNA collections, and 24/7 on-site mobile testing across Harrison County and East Texas. Hablamos Español.
- We come to your door or job site — or visit our Marshall clinic
- Fast 24–48 hour lab turnaround with MRO verification
- Zero long hospital wait times or corporate hassle
- CLIA Compliant
- AABB Accredited Collector
- SAMHSA Certified Lab
- DOT Compliant
- MRO Verified
- ¡Hablamos Español!

Drug & Alcohol Testing, Collection, Compliance & Notary
L&T Solutions provides the following services from our Marshall, TX office.
DOT Urine Drug Testing
Federal 5-panel urine collections under 49 CFR Part 40 for drivers and safety-sensitive employees.
Learn more: DOT Urine Drug TestingRandom, Post-Accident & Pre-Employment Testing
Random selections, post-accident collections and pre-employment screens for DOT and non-DOT employers.
Learn more: Random, Post-Accident & Pre-Employment TestingReturn-to-Duty & Follow-Up Testing
Return-to-duty and follow-up collections for employees completing the DOT return-to-duty process.
Learn more: Return-to-Duty & Follow-Up TestingDrug & Alcohol Testing
Workplace and personal drug and alcohol screening with chain-of-custody collection.
Learn more: Drug & Alcohol TestingCollection Services & Compliance Support
Professional specimen collection plus help keeping your testing program compliant.
Learn more: Collection Services & Compliance SupportNotary
Notary public services at our Marshall office. Call to confirm availability and what to bring.
Learn more: Notary
What brings you in today?
Select your situation to find the right test, pricing, and scheduling options.
Individual / Court DNA
AABB legal court-admissible paternity ($425), peace-of-mind DNA ($325), or family testing.
Learn more: Individual / Court DNAEmployer Drug Screens
Pre-employment 5/10/12-panel urine ($75), 90-day hair follicle ($125), oral fluid, and alcohol testing for local businesses.
Learn more: Employer Drug ScreensFleet & DOT Compliance
FMCSA/DOT physicals, random testing consortium pools, FMCSA Clearinghouse queries, and supervisor training.
Learn more: Fleet & DOT ComplianceImmediate On-Site Testing
24/7 mobile collection unit dispatched directly to your job site, oilfield rig, facility, or fleet yard.
Learn more: Immediate On-Site TestingDoctor-Ordered Lab Work
Gentle in-home blood draws for seniors/homebound and walk-in phlebotomy for routine or specialty lab orders.
Learn more: Doctor-Ordered Lab Work
Full-Service Testing & Mobile Phlebotomy
Accredited specimen collection designed around your convenience and peace of mind.
Urinalysis & Drug Screening
From $75Rapid urinalysis ($75), 90-day hair follicle testing ($125), nail testing ($150), and alcohol screening with MRO review.
Learn more: Urinalysis & Drug ScreeningLegal Court & Private DNA
$425AABB chain-of-custody paternity testing ($425 all-in) for Harrison County court, plus private peace-of-mind tests ($325).
Learn more: Legal Court & Private DNAOfficial Price Catalog
View All PricesComplete transparent price list for DNA, drug & alcohol screening, fingerprinting ($50), I-9 verification ($75), and immigration consultation.
Learn more: Official Price CatalogIn-Home & Walk-In Blood Draws
Professional phlebotomy at our Marshall clinic or delivered to your home for seniors, busy parents, and mobility-impaired patients.
Learn more: In-Home & Walk-In Blood DrawsSpecialty Lab Kits
We draw, process, centrifuge, and ship your functional medicine, hormone, or specialty lab kits according to strict kit instructions.
Learn more: Specialty Lab KitsEarly Gender Reveal Blood Test
Determine your baby’s gender as early as 6–7 weeks into pregnancy with a quick, gentle blood draw.
Learn more: Early Gender Reveal Blood TestDOT Compliance Programs
Turnkey FMCSA, FAA, and FRA compliance including random pool consortium management, physicals, and Clearinghouse administration.
Learn more: DOT Compliance Programs24/7 Mobile Collection Unit
On-site post-accident, reasonable suspicion, and routine workplace testing brought directly to your facility day or night.
Learn more: 24/7 Mobile Collection UnitNotary & Document Signing
From $10Official Texas notary public services at our Marshall clinic and 24/7 mobile notary dispatch across East Texas.
Learn more: Notary & Document SigningBilingual Client Care
Full Spanish navigation and bilingual certified collectors ensure clear, comfortable communication for all clients.
Learn more: Bilingual Client Care

We come to you — or you visit our Marshall clinic
Corporate draw centers in nearby Longview often suffer from long waiting rooms, rigid appointments, and refusal of specialty lab orders. Meanwhile, Marshall residents historically had to drive out of town for accredited testing.
- No long hospital outpatient clinic wait times
- Friendly, certified phlebotomists who treat you with dignity and respect
- Flexible scheduling: home visits, workplace calls, or clinic walk-ins
- Bilingual collectors and staff available for Spanish-speaking clients

Certified, Caring & Multi-Ethnic Healthcare Professionals
Our East Texas clinical team combines bilingual intake coordinators, certified phlebotomists, and DOT-qualified collectors dedicated to fast service, dignity, and total confidentiality.
- Certified collectors and bilingual English/Spanish staff
- Compassionate handling of children, adults, and seniors
- Strict HIPAA compliance and chain-of-custody protocols
Where can I get a drug test or DNA test in Marshall, TX?
L&T Solutions provides accredited drug testing, alcohol screening, AABB legal court DNA paternity testing, and mobile phlebotomy at our Marshall clinic at 203 A W. Pinecrest Dr. and on-site throughout Harrison County. We offer walk-in appointments, same-day scheduling, and 24/7 mobile dispatch for employers and homebound individuals.
Built on Rigorous Legal & Regulatory Standards
Every specimen we collect adheres strictly to Texas and federal regulatory guidelines.
Texas Labor Code § 411.091
We help local employers establish legally compliant drug-free workplace policies and testing standards under Texas law.
Harrison County Court Admissibility
Our legal DNA collections strictly follow AABB chain-of-custody protocols for child support, custody, and legal proceedings.
SAMHSA & MRO Verification
All non-negative lab samples are processed by SAMHSA-certified partner laboratories and reviewed by licensed Medical Review Officers.
What East Texas Clients Say
Fast, professional, and so polite. Having a phlebotomist come to my mother’s home in Marshall saved us a stressful hospital trip.
— Sarah M. — Marshall, TX
Needed a court-admissible paternity DNA test for Harrison County court. L & T handled everything with total professionalism and results were fast.
— David R. — Longview, TX
Their mobile unit arrived at our trucking yard within 90 minutes after an accident. Kept our fleet fully DOT compliant without delay.
— Robert T. — Fleet Safety Manager
Serving Marshall, Longview & All of East Texas
Our central clinic is located in Marshall, TX. Our mobile testing units cover Harrison, Gregg, Panola, Rusk, and Smith counties daily.
- Marshall
- Longview
- Hallsville
- Kilgore
- Carthage
- Jefferson
- Tyler
- Shreveport, LA
- + all of Harrison County
Don't see your town? Call 877-329-5339
Frequently Asked Questions
Do I need an appointment or can I walk in?
Walk-ins are welcome at our Marshall clinic during standard business hours for drug screens and standard blood draws. We recommend scheduling an appointment for legal DNA tests and mobile home visits.
Are your legal DNA paternity tests valid in Texas family courts?
Yes. Our legal DNA paternity collections follow strict AABB chain-of-custody procedures with government photo ID verification and biometric records, making results 100% admissible in Harrison County family court.
How quickly do drug screening results come back?
Rapid urine drug screens provide negative results in 15 minutes. Lab-confirmed urine and oral fluid samples typically return in 24 to 48 hours. Hair follicle tests take 3 to 5 business days.
Can you collect blood for a doctor’s lab order from my home?
Yes! Our mobile phlebotomists can draw blood in the comfort of your home, process the specimen, and deliver it safely to your required lab (Quest, Labcorp, or hospital lab).
Is bilingual staff available for Spanish-speaking clients?
¡Sí! Contamos con personal 100% bilingüe tanto en nuestra clínica como en nuestras unidades móviles para atenderle en español con total claridad.
Ready to Book Your Test or Request Mobile Collection?
Call 877-329-5339 to speak with our team immediately, or submit an online request in seconds.