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CDL · DOT Medical Card · Texas, USA

DOT Medical Card for the CDL Exam — Texas candidates

2% of the CDL test plan. Federal CDL operators must hold a valid DOT medical examiner's certificate (medical card), renewed every 1–2 years. Calibrated for Texan candidates.

Examiners do not award marks for content alone — they award them for the ability to demonstrate competency in the precise format the test demands. DOT Medical Card sits at roughly 2% of the Commercial Driver License content distribution — Without a current medical card, the CDL is automatically downgraded to a non-CDL by the state DMV. Drivers must self-certify to one of four categories: non-excepted interstate, excepted interstate, non-excepted intrastate, excepted intrastate. Pass rates for the CDL are published annually by the awarding body and vary by cohort and locale. For Texas candidates preparing for CDL, the calibration of study to local context matters: Texas is the second-largest CDL-issuing state and a top-3 state for NCLEX-RN candidates. TxDPS administers CDL skills tests; the Texas Board of Nursing recognises NCLEX results from Pearson VUE.

Pass rates for CDL (Texas, USA) are published periodically by the awarding body.

Common failure modes

These are the patterns that cause most candidates to lose marks on this topic. Recognising them in advance is half the work.

  • !Letting the medical card expire — automatic CDL downgrade
  • !Self-certifying to the wrong category for the type of work being performed
  • !Skipping the disqualifying-condition checklist (uncontrolled diabetes, certain cardiovascular issues)
  • !Missing the 30-day reporting rule for any change in medical status

Study tips

  • 1Memorize the four self-certification categories and which one applies to your work.
  • 2Drill the disqualifying conditions list (FMCSA 391.41).
  • 3Set a calendar reminder 60 days before card expiration.
  • 4Know the requirement to file the new medical certificate with state DMV within 15 days.
  • 5For CDL: book your skills test at a TxDPS megacenter (Houston, Dallas, San Antonio, Austin) or one of the 200+ third-party testers; megacenter wait times average 4–6 weeks.
  • 6For NCLEX-RN: the Texas Board of Nursing requires fingerprinting via IdentoGO before authorization-to-test (ATT) is issued — start that process the same day you submit your application.
  • 7Spanish-language CDL written tests are offered in Texas; the skills/road portion is conducted in English. Many CDL training programs in the Rio Grande Valley teach a bilingual track.

Sample CDL DOT Medical Card questions

These sample items mirror the format and difficulty of real CDL questions. Practice with thousands more on the free Koydo question bank.

  1. 1

    A CDL driver who drives only within Texas, transporting only their own products, would self-certify as:

    • ANon-excepted interstate
    • BExcepted interstate
    • CNon-excepted intrastate
    • DExcepted intrastateCorrect
    Why this answer?

    Excepted intrastate covers drivers who only operate within state lines and only carry their own goods (or other state-defined exceptions). State medical rules apply rather than federal.

Frequently asked questions

How long is a DOT medical card valid?
Up to 24 months for healthy drivers; shorter (3, 6, or 12 months) when the medical examiner identifies conditions that need monitoring.
What is the CDL pass rate for Texan candidates?
Pass rates for CDL candidates in Texas, USA are published periodically by the awarding body. Practice questions, full-length simulations, and weak-area drills are the highest-impact way to improve your odds.
How long should Texan candidates study DOT Medical Card for the CDL?
For most candidates, focused mastery of DOT Medical Card requires 20–40 hours of deliberate practice — drilling sample questions, reviewing failure modes, and timing yourself against exam conditions. Texas is the second-largest CDL-issuing state and a top-3 state for NCLEX-RN candidates. TxDPS administers CDL skills tests; the Texas Board of Nursing recognises NCLEX results from Pearson VUE. Combine DOT Medical Card study with full-length mock exams in the final two weeks before your test date.

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