DOT Physical Exams - Comstock, TX

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3 DOT Drug-Testing Centers in Comstock

Minutes Away, Test Today

1004 E 9th St Ste A27.13 miles

1004 E 9th St Ste A
Del Rio, TX 78840

801 N Bedell Ave27.39 miles

801 N Bedell Ave
Del Rio, TX 78840

119 E Academy St28.27 miles

119 E Academy St
Del Rio, TX 78840

Comstock, TX DOT Physical - What You Need to Know

A comprehensive health exam mandated by the Department of Transportation is essential for every commercial motor vehicle operator. This assessment verifies that drivers are physically, mentally, and emotionally capable of handling large trucks or buses on highways. Conducted by a medical examiner certified and listed on the NRCME, passing this exam awards a DOT medical certificate. For DOT agency queries on required exams, contact 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 history and medication check
  • Vision check (glasses/contacts if needed; standards apply)
  • Hearing assessment (whisper test or audiometry)
  • Blood pressure and pulse measure
  • Complete physical examination (systematic review)
  • Urine test (specific gravity, proteins, glucose levels)

Once you pass, a Medical Examiner's Certificate (MEC) could be issued valid for 24 months; however, some conditions may require shorter certification or require specialist documentation, especially in states like Comstock, ND.

Who needs a DOT Physical?

To legally drive commercially in Comstock, TX, you need a valid DOT medical card if you:

  • Hold a CDL (class A, B, or C) for interstate jobs
  • Operate vehicles over 10,001 lbs. across state lines
  • Transport more than 8 hired guests or 15 unpaid
  • Carry placarded hazardous goods per DOT
  • Work with DOT-governed employers like FMCSA, FAA, FRA, FTA, or USCG needing medical checks

What to bring with you to a DOT Physical?

  • Official photo ID
  • Eyewear & prescription
  • Documents on medication & dose
  • CPAP machine data (when applicable)
  • Medical specialists' approval (i.e., cardiology, for sleep apnea, diabetes, etc.)
  • Recent A1C/blood pressure logs if tracked

During your DOT physical in Comstock, NY, these items will assist in ensuring all required information is available and reviewed.

What happens if I fail a DOT Physical?

  • No Medical card will be issued
  • Temporary disqualification
  • Referral for treatment to your primary care doctor
  • FMCSA exemptions for certain medical conditions
  • Employer Notification
  • Next Steps (address the medical issues and retake the exam)

In Comstock, WV, if you fail, you must address the medical conditions before retaking your DOT physical to obtain certification.

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

  • Vision & Hearing: Visual acuity worse than 20/40 in both eyes with correction or inability to see traffic colors; hearing loss preventing a whispered voice recognition at 5 feet.
  • Blood Pressure & Heart Disease: Uncontrolled high blood pressure (≥180/110 mmHg), recent myocardial infarction, stroke, untreated angina, or defibrillator implant without approval.
  • Diabetes: Poorly managed diabetes with frequent hypoglycemic episodes or complications like neuropathy affecting driving.
  • Sleep Apnea & Respiratory Issues: Untreated sleep apnea causing sleepiness during the day or severe respiratory disorder affecting oxygen supply.
  • Neurological Disorders: Epileptic/seizure disorders unless exempt, or conditions triggering loss of consciousness, dizziness, or tremors.
  • Substance Use: Current illegal drug use, alcohol dependency, or misuse of prescribed drugs affecting driving.
  • Psychiatric & Cognitive Disorders: Severe unmanaged psychiatric conditions (e.g., schizophrenia, bipolar disorder with recent symptoms) or cognitive deficiencies affecting response and decision-making.

Some medical conditions might temporarily disqualify until medical evaluations or documentation are provided, such as managed blood pressure or diabetes control; whereas conditions like untreated seizures or defibrillator implants often lead to a permanent disqualification under FMCSA guidelines.

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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

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024


(800) 221-4291