DOT Physical Exams - Twin Oaks, MO

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With 38 testing centers in the Twin Oaks area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

(800) 221-4291

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38 DOT Drug-Testing Centers in Twin Oaks

Minutes Away, Test Today

13610 Barrett Office Dr Ste 100

2.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13610 Barrett Office Dr Ste 100
Manchester, MO 63021
Call (800) 221-4291 Get Donor Pass

128 Matrix Commons Dr

2.99 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
128 Matrix Commons Dr
Fenton, MO 63026
Call (800) 221-4291 Get Donor Pass

1050 Old Des Peres Rd Ste 100

3.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1050 Old Des Peres Rd Ste 100
Saint Louis, MO 63131
Call (800) 221-4291 Get Donor Pass

1000 Des Peres Road Suite 200

3.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 Des Peres Road Suite 200
St. Louis, MO 63131
Call (800) 221-4291 Get Donor Pass

508 Old Smizer Mill Rd

4.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
508 Old Smizer Mill Rd
Fenton, MO 63026
Call (800) 221-4291 Get Donor Pass

15620 Manchester Rd

4.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15620 Manchester Rd
Ellisville, MO 63011
Call (800) 221-4291 Get Donor Pass

714 Gravois Rd Ste 100

4.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
714 Gravois Rd Ste 100
Fenton, MO 63026
Call (800) 221-4291 Get Donor Pass

455 S Kirkwood Rd

4.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
455 S Kirkwood Rd
Kirkwood, MO 63122
Call (800) 221-4291 Get Donor Pass

15421 Clayton Rd Ste 301

4.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15421 Clayton Rd Ste 301
Ballwin, MO 63011
Call (800) 221-4291 Get Donor Pass

10296 Big Bend Rd Ste 110

5.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10296 Big Bend Rd Ste 110
Saint Louis, MO 63122
Call (800) 221-4291 Get Donor Pass

233 Clarkson Rd

5.37 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
233 Clarkson Rd
Ellisville, MO 63011
Call (800) 221-4291 Get Donor Pass

615 S New Ballas Rd

6.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
615 S New Ballas Rd
Saint Louis, MO 63141
Call (800) 221-4291 Get Donor Pass

224 S Woods Mill Rd Ste 360 S Med Bldg

6.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
224 S Woods Mill Rd Ste 360 S Med Bldg
Chesterfield, MO 63017
Call (800) 221-4291 Get Donor Pass

16091 Swingley Ridge Rd Ste 150

7.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16091 Swingley Ridge Rd Ste 150
Chesterfield, MO 63017
Call (800) 221-4291 Get Donor Pass

8730 Big Bend Blvd Ste A

7.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8730 Big Bend Blvd Ste A
Saint Louis, MO 63119
Call (800) 221-4291 Get Donor Pass

10010 Kennerly Rd

7.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10010 Kennerly Rd
Saint Louis, MO 63128
Call (800) 221-4291 Get Donor Pass

12345 W Bend Dr

7.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12345 W Bend Dr
Saint Louis, MO 63128
Call (800) 221-4291 Get Donor Pass

9950 Kennerly Rd,

7.61 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
9950 Kennerly Rd,
Saint Louis, MO 63128
Call (800) 221-4291 Get Donor Pass

28 Ronnies Plz

7.73 mi
🕑 Facility: Mon–Fri: 07:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 04:30 PM
28 Ronnies Plz
Saint Louis, MO 63126
Call (800) 221-4291 Get Donor Pass

11700 Studt Ave

7.73 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
11700 Studt Ave
Creve Coeur, MO 63141
Call (800) 221-4291 Get Donor Pass

9556 Manchester Rd

7.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9556 Manchester Rd
Saint Louis, MO 63119
Call (800) 221-4291 Get Donor Pass

747 N New Ballas Road

7.77 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 04:00 PM
747 N New Ballas Road
Creve Coeur, MO 63141
Call (800) 221-4291 Get Donor Pass

1066 Executive Parkway Dr Ste 200

7.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1066 Executive Parkway Dr Ste 200
Saint Louis, MO 63141
Call (800) 221-4291 Get Donor Pass

11550 Olive Blvd

8.01 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
11550 Olive Blvd
Saint Louis, MO 63141
Call (800) 221-4291 Get Donor Pass

13303 Tesson Ferry Rd

8.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13303 Tesson Ferry Rd
Saint Louis, MO 63128
Call (800) 221-4291 Get Donor Pass

98 The Legends Pkwy Ste 108,

8.68 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
98 The Legends Pkwy Ste 108,
Eureka, MO 63025
Call (800) 221-4291 Get Donor Pass

623 W. 5th Street

8.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
623 W. 5th Street
Eureka, MO 63025
Call (800) 221-4291 Get Donor Pass

8300 Valcour Ave

8.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8300 Valcour Ave
Saint Louis, MO 63123
Call (800) 221-4291 Get Donor Pass

120 Kenrick Plz

9.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
120 Kenrick Plz
Saint Louis, MO 63119
Call (800) 221-4291 Get Donor Pass

11501 Page Service Dr

9.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11501 Page Service Dr
Saint Louis, MO 63146
Call (800) 221-4291 Get Donor Pass

17300 N Outer 40 Ste 104,

9.30 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-2:30 PM✓ Walk-in with Electronic Donor Pass
17300 N Outer 40 Ste 104,
Chesterfield, MO 63005
Call (800) 221-4291 Get Donor Pass

1868 Craigshire Rd

9.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1868 Craigshire Rd
Saint Louis, MO 63146
Call (800) 221-4291 Get Donor Pass

17838 Chesterfield Airport Rd

9.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17838 Chesterfield Airport Rd
Chesterfield, MO 63005
Call (800) 221-4291 Get Donor Pass

225 S Meramec Ave Ste 305

10.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
225 S Meramec Ave Ste 305
Clayton, MO 63105
Call (800) 221-4291 Get Donor Pass

83 Progress Pkwy

10.35 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
83 Progress Pkwy
Maryland Heights, MO 63043
Call (800) 221-4291 Get Donor Pass

2900 Lemay Ferry Rd Ste 101

10.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2900 Lemay Ferry Rd Ste 101
Saint Louis, MO 63125
Call (800) 221-4291 Get Donor Pass

6555 Chippewa St Ste 100

10.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6555 Chippewa St Ste 100
Saint Louis, MO 63109
Call (800) 221-4291 Get Donor Pass

2321 Mccausland Ave Ste B

10.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2321 Mccausland Ave Ste B
Saint Louis, MO 63143
Call (800) 221-4291 Get Donor Pass

Twin Oaks, MO DOT Physical - What You Need to Know

A DOT physical is a thorough health assessment mandated by the Department of Transportation for those driving commercial motor vehicles. This examination certifies that drivers are capable, both physically and mentally, for the operation of heavy vehicles on public highways. A certified medical examiner, listed on the National Registry, conducts this evaluation. Success in the examination grants drivers a DOT medical card, essential for a valid CDL per FMCSA rules. If other DOT agency regulations apply to you and you need help understanding which DOT exam is necessary, call us at 800-221-4291.

During your exam, the medical examiner will complete a thorough health assessment to determine if you meet the Federal Motor Carrier Safety Administration (FMCSA) medical standards. The process typically includes:

What Does a DOT Physical Include?

Health History Review
Vision Test

Hearing Test
Urinalysis

Vital Signs
Physical Examination

DOT Testing | DOT Breath Alcohol | DOT Consortium Services | MVR Reports Also Available


What is checked in a DOT Physical?

  • Review of health records and medication use
  • Vision check (corrective lenses possible; minimum standards must be met)
  • Hearing test (using whisper or audiometry methods)
  • Blood pressure and pulse measures
  • Overall physical health examination (system review)
  • Urinalysis (to check gravity, protein, glucose levels)

In Twin Oaks, WA, upon success, a Medical Examiner's Certificate (MEC) could be valid for up to 24 months. Some health issues might require shorter certification periods or additional specialist input.

Who needs a DOT Physical?

You must have a valid DOT medical certificate (card) if you:

  • Have a commercial driver's license (CDL)- class A,B, or C for interstate commerce
  • Drive a vehicle over 10,001 lbs. GVWR in interstate commerce
  • Transport more than 8 passengers (for hire) or more than 15 passengers (not for hire)
  • Transport hazardous materials that require placarding under DOT regulations
  • Work for employers regulated by DOT agencies such as FMCSA, FAA, FRA, FTA or USCG where DOT medical qualification is required in Twin Oaks, SC

DOT Physical Near Twin Oaks, MO

Nearby Testing Centers in Missouri

Kansas City, MO

St. Louis, MO

Springfield, MO

Columbia, MO

Independence, MO

Lee's Summit, MO

O'fallon, MO

St. Joseph, MO

St. Charles, MO

St. Peters, MO

What to bring with you to a DOT Physical?

  • Government-issued photo ID
  • Eyewear & prescription in Twin Oaks, AR
  • Medications & dosages list
  • CPAP usage data, if necessary
  • Specialist clearances (heart health, sleep disorders, diabetes, etc.)
  • Latest A1C/blood pressure logs if monitored

What happens if I fail a DOT Physical?

  • No medical card will be granted
  • Temporary disqualifications
  • Referral to your primary clinician for treatment
  • Possible FMCSA exceptions for specific health issues
  • Alerting your employer
  • Steps forward (resolve medical concerns and redo exam)

Be aware, in Twin Oaks, NC, it's crucial to address these concerns for a successful reassessment.

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

  • Vision & Hearing: Poor vision (<20/40) in each eye (even with aids), inability to see traffic signal colors, or hearing loss that fails a 5-foot whisper test.
  • Blood Pressure & Heart Disease: Uncontrolled high blood pressure (>=180/110 mmHg), recent heart event or stroke, unmanaged angina, or implanted defibrillator without medical approval.
  • Diabetes: Unmanaged diabetes marked by frequent low sugar episodes or complications like neuropathy impacting safety.
  • Sleep Apnea & Respiratory Issues: Untreated sleep apnea causing drowsiness, or severe respiratory diseases affecting oxygen levels.
  • Neurological Disorders: Epilepsy/seizure disorders without exemption, conditions with sudden consciousness loss, dizziness, or tremors uncontrolled.
  • Substance Abuse: Use of illegal drugs, alcohol dependency, or improper prescription use that affects driving.
  • Psychiatric & Cognitive Disorders: Serious psychiatric conditions (e.g., severe schizophrenia, recent bipolar episode) or cognitive deficiencies affecting decision-making and reaction.

Temporary vs. Permanent Disqualification: Some issues might temporarily disqualify someone pending medical documentation or condition management. Meanwhile, certain conditions like untreated seizure disorders or unapproved defibrillators are likely seen as permanently disqualifying by FMCSA.

References:
- FMCSA Medical Examiner Physical Qualification Standards (§391.41)
- 49 CFR Part 391 - Qualification of Drivers
- Medical Examiner's Handbook
- FMCSA Driver Exemptions

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Twin Oaks DNA Testing

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Twin Oaks Industry Training

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Twin Oaks Hair Drug Testing

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Twin Oaks Drug Testing Services

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Twin Oaks 5 Panel Drug Test

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Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Twin Oaks, MO workplace compliant.

Twin Oaks DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Twin Oaks, MO drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT physical typically includes a review of the driver’s health history and medications, vision screening, hearing assessment, vital signs (blood pressure, pulse), urinalysis (checking specific gravity, protein, glucose), and a full physical examination by a certified medical examiner. Upon passing, a Medical Examiner’s Certificate (DOT medical card) may be issued for up to 24 months.
You must have a valid DOT medical certificate if you: hold a commercial driver’s license (CDL) Class A, B or C for interstate commerce; operate a vehicle over 10,001 lbs GVWR in interstate commerce; transport more than eight passengers (for hire) or over fifteen passengers (not for hire); or transport hazardous materials requiring placarding under DOT regulations.
DOT physicals are offered at test centres in all cities and all states, through Accredited Drug Testing’s nationwide network. You can schedule by calling 1-800-221-4291.
You should bring a government-issued photo ID; glasses or contact lenses and the prescription; a list of medications and dosages; CPAP usage data if applicable; and any specialist clearance letters or physician documentation (for conditions like heart disease, sleep apnea, diabetes) to your DOT physical.
If you fail the DOT physical, you will not receive the medical card; you may be temporarily or permanently disqualified depending on the condition; you will need to address any medical issues (e.g., uncontrolled hypertension, untreated sleep apnea, recent myocardial infarction) and then be re-examined.

Customer Reviews

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024


(800) 221-4291