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South · Drug Testing

Drug Testing in Texas

Below is a plain-language overview of the drug testing. Drug testing is a method to detect the presence of drugs in the body. It can be done using blood or urine samples.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

Drug testing is a process used to identify the presence of drugs or their metabolites in the body. It is commonly used in various settings, such as workplaces, medical facilities, and legal situations. The test can detect a range of substances, including prescription medications and illegal drugs.

What it measures

  • Amphetamines — reflects use of stimulant drugs
  • Cocaine — indicates use of cocaine or its derivatives
  • Opiates — shows use of opiate drugs such as heroin or morphine
  • Cannabinoids — reflects use of marijuana
  • Benzodiazepines — indicates use of sedative medications
  • Barbiturates — reflects use of barbiturate drugs
  • Methadone — shows use of methadone, often used in opioid treatment
  • PCP — indicates use of phencyclidine, a hallucinogenic drug

What the test involves

The test involves collecting a sample, either blood or urine, from the individual. The type of sample collected depends on the specific test ordered.

Why it is often ordered

Clinicians typically order drug tests to monitor medication compliance or to screen for substance use. It may also be used in pre-employment screening or after an accident.

Preparation

Preparation for a drug test may vary, so it's important to follow the specific instructions provided by the collection lab.

How results are reported

Results indicate the presence or absence of specific drugs and are reported as positive or negative. Reference ranges and detection limits vary by laboratory.

Before you go

  • Sample type required
  • Specific preparation instructions
  • Expected turnaround time

Cities

Drug Testing in Texas communities

Choose your city for local context and to request this test.

Dallas5,668,165Drug TestingHouston5,650,910Drug TestingSan Antonio1,910,785Drug TestingAustin1,659,251Drug TestingFort Worth908,469Drug TestingMcAllen809,002Drug TestingEl Paso794,344Drug TestingDenton445,814Drug TestingArlington392,304Drug TestingCorpus Christi333,764Drug TestingThe Woodlands292,380Drug TestingPlano282,181Drug TestingLubbock259,946Drug TestingLaredo256,748Drug TestingIrving254,184Drug TestingMcKinney248,840Drug TestingGarland245,075Drug TestingKilleen238,288Drug TestingBrownsville235,735Drug TestingCollege Station207,514Drug TestingAmarillo204,357Drug TestingGrand Prairie195,992Drug TestingFrisco193,140Drug TestingWaco187,172Drug TestingPort Arthur156,988Drug TestingPasadena151,964Drug TestingMesquite149,848Drug TestingHarlingen148,545Drug TestingTyler143,895Drug TestingBeaumont137,549Drug TestingOdessa134,793Drug TestingCarrollton131,388Drug TestingMidland130,765Drug TestingAbilene125,474Drug TestingPearland122,609Drug TestingTexas City122,017Drug TestingRound Rock117,735Drug TestingRichardson115,904Drug TestingTemple115,809Drug TestingLeague City111,847Drug TestingSugar Land110,272Drug TestingLewisville110,077Drug TestingAllen102,778Drug TestingWichita Falls102,563Drug TestingSan Angelo100,330Drug TestingEdinburg98,759Drug TestingLongview98,075Drug TestingConroe87,930Drug TestingNew Braunfels87,549Drug TestingMission85,311Drug TestingBryan85,204Drug TestingAtascocita84,222Drug TestingBaytown82,543Drug TestingTexarkana79,304Drug TestingPharr78,997Drug TestingFlower Mound75,050Drug TestingCedar Park74,741Drug TestingMissouri City73,682Drug TestingLake Jackson73,478Drug TestingMansfield71,375Drug Testing