DVLA fitness to drive & medical exams for high-risk offenders (2023)

The DVLA has a duty to ensure that if you’re driving on the road that you’re fit to do so. There are certain medical conditions that can have an impact on your driving ability, therefore you will need to tell them about these. But for High-Risk Offenders there’s a different set of rules, and you must satisfy the DVLA that you’re fit to drive by passing a medical exam.

High Risk Offenders are those who have been convicted of drink driving and have been disqualified from driving. When their disqualification is due to expire they will need to have an independent examination that is carried out with a DVLA appointed doctor before their licence will be issued back to them.

(Video) Interesting info on DVLA your GP and getting your license back if your considered high risk

The DVLA fitness to drive medical is made up of at least three parts, an examination, a CDT blood test and a questionnaire. If the doctor feels it’s relevant to carry out any other tests they have the discretion to do so.

For those who have been covered by the high risk offender scheme, the DVLA will send you a D27 renewal form around 90 days before your disqualification ends. However, it’s not necessary for you to wait for this form before you re-apply for your licence and take your medical, this can be done any time within 90 days before your disqualification ends.

(Video) High Risk Offenders

If you haven’t taken your medical and re-applied with the DVLA before your disqualification expires, you won’t be able to drive until this has all been completed and the DVLA says you are fit to drive.

How to pass DVLA medical

The DVLA medical exam that is required of high risk offenders is a thorough examination to ensure that you are physically and mentally fit to get behind the wheel again, if you’re not the results could be deadly for you and other drivers on the road.


Therefore it’s hard to cheat the DVLA medical and if you answer the questionnaire to the best of your ability and pass the medical examination with the doctor then you’ll pass the test and be safe to drive again.

The questionnaire goes into detail about your drinking habits, asking information about the amount of alcohol you drink each week, as well as questioning you about any past or present alcohol abuse. It also focuses on any misuse of alcohol or dependency problems you might face.

(Video) DVLA, CDT , Carbohydrate deficient transferrin,. Driving licence. The medical

The physical part of the DVLA medical sees you provide a blood sample, sometimes a urine sample can be requested and a brief physical medical examination, this can include an eye test.

To pass the DVLA medical you need to show the doctor that there isn’t any evidence of persistent alcohol misuse in the last six months. You must also show that there isn’t any alcohol dependency in the last 12 months. You will fail to pass the DVLA medical if there is evidence of current alcohol misuse or dependency and this is something that can’t be hidden away discreetly.


Appeal DVLA licencing decision

If you would like to appeal a decision made by the DVLA in regards to withholding or revoking your driving licence you can appeal to the magistrate’s court to do so. This appeal must be made within six months.


DVLA fitness to drive & medical exams for high-risk offenders? ›

Convicted drink drivers who are classed as high risk offenders will be required to satisfy the DVLA of their fitness to drive by attending an independent medical examination with a DVLA appointed doctor before a driving licence will be issued to them upon expiration of their driving disqualification.

What is the fitness to drive assessment UK? ›

Fitness to drive: doctors' and patients' responsibilities

This means they need to know if a person holding a driving licence has a condition or is undergoing treatment that may now, or in the future, affect their safety as a driver.

What happens if I fail CDT test? ›

A CDT level greater than 3% is considered to be indicative of alcohol consumption in a dependent manner. A person whose CDT levels fall within this range is identified as someone who is dependent on alcohol and a driving licence will be refused.

How do you pass a CDT test? ›

How do you pass the DVLA CDT test? The only way to guarantee that you will pass a DVLA CDT test is to abstain from drinking alcohol in the four weeks prior to taking the test. This is because people who do not drink, or drink moderately, have lower CDT levels in their blood.

How long does a D4 medical last? ›

The D4 is valid for a period of 4 months from the date the doctor and optician or optometrist signs and dates it. The eyesight examination must be undertaken using the prescription currently worn for driving.

What happens during a fitness assessment? ›

Fitness assessments are a series of tests that measures and monitors students' physical fitness level. The series of tests assess the five components of physical fitness that make up total fitness: cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition.

What are fitness assessments key requirements? ›

5 Things Every Fitness Assessment Should Include
  • Body Composition. Knowing your height, weight, resting heart rate, etc., and so on from the PAR-Q is fine as a first step. ...
  • Cardiovascular Performance. ...
  • Fitness Assessment By Testing Muscle Strength and Endurance. ...
  • Assessment of Joint Flexibility. ...
  • Mobility and Stability.
Apr 7, 2021

How long does it take for CDT to return to normal? ›

The half-life of CDT is usually 14–17 days; values return to normal 3 or 4 weeks after abstinence. Women may have a higher CDT than men.

How long do you have to stop drinking to pass CDT? ›

The CDT test can thus detect heavy alcohol consumption over a long period of time and is a measure of chronic alcohol consumption. If a person stops drinking, the CDT levels will return to normal levels within 4 weeks. If they start drinking again, the levels will once again rise.

How long can a CDT blood test detect alcohol? ›

Transferrin remains in the circulation for 7 to 14 days and CDT, therefore, can give an indication of alcohol consumption over this period of time, which gives it an advantage over blood or urine alcohol measurements which only remain elevated for 24-48 hours after alcohol consumption.

What shows up in a CDT blood test? ›

The CDT test can thus detect heavy alcohol consumption over a long period of time and is a measure of chronic alcohol consumption. If a person stops drinking, the CDT levels will return to normal levels within 4 weeks. If they start drinking again, the levels will once again rise.

Is CDT test blood or urine? ›

CDT (carbohydrate-deficient transferrin) is a blood test designed to identify excess consumption or harmful use of alcohol.

What does a positive CDT test mean? ›

The CDT level can become positive after two weeks of heavy drinking (defined as 60 grams or more of ethanol per day) and with abstinence the values normalize with a mean half-life of 14-17 days (Pharmacia, 1994). Thus a positive CDT can identify recent heavy drinking even after a person has stopped drinking.

What is included in a D4 medical? ›

What is a D4 medical? The D4 medical is an examination that consists of an eyesight test using a snellen chart, blood pressure checks to ensure your BP meets the given criteria, and a questionnaire regarding your medical history. All to ensure you meet the DVLA group 2 standard.

What weight is D4 medical? ›

Medical Examination report D4 for an application for licences for vehicles between 3.5 and 7.5 tonnes, Large Goods Vehicles (LGV) or Passenger Carrying Vehicles (PCV) over 8 seats.

What is D2 vs D4 licence? ›

The D2 form is the licence application form you complete to get the provisional entitlement to drive the vehicle of your choice as a learner and the D4 is the medical application form which must accompany the D2 form when you send it to the DVLA.

How do I prepare for a fitness test? ›

Avoid heavy strenuous exercise for the 24 hours prior to testing. Do not exercise at all on the day of testing to ensure you are well rested. Wear appropriate clothing for the conditions (e.g. shorts/track pants and t-shirt/singlet/sports top) and non-slip athletic footwear with laces securely fastened.

What are the 5 components of fitness test? ›

Health-related components of Physical Fitness. There are five components of physical fitness: (1) body composition, (2) flexibility, (3) muscular strength, (4) muscular endurance, and (5) cardiorespiratory endurance.

What are the 4 common fitness tests? ›

Generally, fitness is assessed in four key areas: aerobic fitness; muscular strength and endurance; flexibility; and body composition. To do your assessment, you'll need: A stopwatch or a watch that can measure seconds.

What is a passing score on the candidate fitness assessment? ›

A “Passing” Score is above 550, as this is the average for recently admitted West Point cadets. It is also scoring greater than 60 in each individual event, as this is estimated to be passing per event. Anything below is considered “at-risk”.

What are the two types of fitness assessment? ›

There are two types of muscular fitness assessments: muscular-endurance tests, which assess the ability to resist fatigue; and muscular-strength tests, which assess the maximum amount force an individual can produce in a specified number of repetitions (hence the term repetition max or RM).

What is a high CDT level? ›

Studies have found that a %CDT of 2.6% and higher is indicative of heavy drinking. About 50 to 70% of heavy drinkers will have a %CDT greater than 2.6%.

Does smoking affect CDT? ›

As smoking can modify CDT levels by inducing hepatic microsomal enzyme activity [39], and smoking particularly damages the oral tissues [5], we cannot exclude the influence of smoking on salivary CDT in our study.

Can medication affect CDT levels? ›

This means that in addition to excess alcohol consumption, it is possible for other factors to affect a person's CDT levels, including liver disease, certain medications, and other underlying health conditions.

Can a doctor tell if you drink alcohol? ›

Several alcohol biomarkers can be measured in the blood, including: Carbohydrate-deficient transferrin (CDT): CDT helps doctors identify heavy alcohol use.

What happens when you stop drinking alcohol for 6 months? ›

After Six Months: After half a year without drinking, you will really start to reap the rewards. Your risk of developing cancer will decrease, and your liver function will have greatly improved. 2 You'll also have more energy and stamina,1 and you may notice that your skin looks healthier.

Do you need to fast for a CDT test? ›

No special preparation required.

What lab values indicate alcoholism? ›

A blood alcohol level in excess of 300 mg/dL, a blood alcohol level of greater than 150 mg/dL without gross evidence of intoxication, or a blood alcohol level of greater than 100 mg/dL upon routine examination indicates alcoholism with a high degree of reliability.

Does alcohol affect A1C readings? ›

A daily cocktail or two may improve blood sugar (blood glucose) management and insulin sensitivity. If you have one or more drinks a day, you may find that your A1C is lower than during times you weren't drinking. But if you don't drink regularly, this doesn't mean you should start.

Does taking iron lower CDT levels? ›

In conclusion, CDT serum levels are markedly affected by the patient's iron status, with iron overload reducing its sensitivity in alcohol abusers and iron deficiency its specificity in nonabusers. CDT can be considered a reliable marker of alcohol abuse only when iron stores are normal.

How many questions are in a CDT test? ›

The computer-based CDT examination lasts two hours and contains 120 multiple-choice questions. Where do I take the exam? The exam is administered at Prometric test centers in the U.S. and Canada.

How long does a medical take? ›

The check takes about 20 to 30 minutes. There will be questions, measurements and tests. You'll be asked some simple questions, including: whether any of your close relatives have had the illnesses being checked for.

What does HGV stand for? ›

Heavy Goods Vehicles (HGVs), also called Large Goods Vehicles (LGVs) in the UK, are any truck over 3.5 Tonnes gross combination mass (GCM).

Can a diabetic drive a HGV? ›

Changes In The Law Affecting Drivers With Type 1 Diabetes

You can now apply for your HGV licence as long as you can show that, No episodes of hypoglycaemia while driving within the last 12 months. Have an assessment with a diabetes consultant at least once a year. You regularly test your blood sugar.

Which is heavier D2 or D3? ›

The difference between each swing weight measurement is incredibly small. For example, all it takes to make a golf club go from a D2 to a D3 rating is about . 07 ounces in the club head. That is approximately the weight of a single penny.

What weight is D1? ›

How Shaft Weight Affects the Swingweight
Raw Shaft Weight GramsCut Shaft Weight GramsSwingweight Measurement
6 more rows

What do doctors weigh patients in? ›

It's not uncommon for hospitals to use the imperial system when weighing patients, but then switch to the metric system for medication dosing. Dosing is based on the patient's weight in kilograms, so if the weight is recorded in pounds, it will need to be converted.

What does D1 D2 D3 D4 mean? ›

D4 is used for having more speed use this in the highway. D3 is used for having more torque use this in the city. D2 is used for climbing uphill use this in hills. D1 or L is used for driving slow use this in different roads or downhill.

What does D4 mean driving? ›

Drive (D4) — Use this position for your normal driving. The transmission automatically selects a suitable gear for your speed and acceleration. You may notice the transmission shifting up at higher speeds when the engine is cold. This helps the engine warm up faster.

Is it better to drive in D3 or D4? ›

D3 is suitable for ascending or descending hills and is the best gear position for stop-and-go situations. D4 is more suitable for all conditions and has a higher speed than D3. The D3 may not be suitable for highway driving, but the D4 is suitable for both town and highway driving.

What are the requirements for a test drive in the UK? ›

How old do I have to be to test-drive a car? While the legal age to hold a full UK driving licence is 17, you may find that you're unable to test drive a car at that age. You'll usually need to be 18, but different car dealers might have their own age requirements for test driving a car.

What do UK driving tests consist of? ›

The practical driving test includes an eyesight check, safety questions and about 40 minutes of driving which involves a section of independent driving.

What is the sight test for driving UK? ›

You must have a visual acuity at least 0.8 (6/7.5) measured on the Snellen scale in your best eye and at least 0.1 (6/60) on the Snellen scale in the other eye. You can reach this standard using glasses with a corrective power not more than (+) 8 dioptres, or with contact lenses.

What is assessment of fitness level? ›

Generally, fitness is assessed in four key areas: aerobic fitness; muscular strength and endurance; flexibility; and body composition. To do your assessment, you'll need: A stopwatch or a watch that can measure seconds. A cloth measuring tape.

What things do you fail for in driving test UK? ›

The most common driving test fails
  • Observation at junctions.
  • Use of mirrors when changing direction.
  • Lack of control when steering.
  • Turning right at a junction.
  • Moving off unsafely.
  • Incorrect response to traffic lights.
  • Lack of control when moving off.
  • Incorrect positioning during normal driving.
Apr 11, 2022

Can a foreigner take a driving test in the UK? ›

Only UK residents can apply for a UK driving licence. So, you'll need to prove you've been living in the country for 185 days within the past 12 months when applying for your licence.

Is UK hard to pass driving test? ›

The UK has the 16th hardest theory test in the world, behind the likes of Russia and Japan, requiring a score of 86% to pass. Unlike 15 other countries in the world, including Brazil, Japan & UAE, the UK doesn't require any number of mandatory driving hours before taking the practical test.

What is the hardest driving test in the UK? ›

The Pavilion Test Centre in Birmingham has been named as the UK's hardest driving centre, with the worst pass rates in the whole of the UK. Now might be a good time to tell you that private driving practice can help improve your chances of passing first time…you're gonna need all the help you can get.

What is the hardest part of a driving test UK? ›

But what do your instructors think?
  • Turning right at a priority / give way intersection (62% of professional instructor respondents)
  • Merging (38%)
  • Use of clutch / gear changes (38%)

What are the 4 maneuvers in driving test UK? ›

The four possible manoeuvres are pulling up on the right, forward parking into a bay, reverse parking into a bay and parallel parking. Straight reverse, hitting the kerb and road camber are additional guides to help.

Can I drive if I fail a field vision test? ›

To be classed as safe for driving, you need to have an adequate level of vision. As well as measuring the central field of vision, peripheral vision must also be taken into account. Under the current requirements, you need to have a peripheral field of vision of 120 degrees of the central fixation point.

Do you wear glasses for a visual field test? ›

You should bring both reading and distance glasses if you have them. Basic lenses are also available in the test room and the person performing your test may use one of these to improve your responses if appropriate.

Can you drive if you lose sight in one eye UK? ›

You do not need to tell DVLA if you have monocular vision if you're still able to meet the standards of vision for driving. If you have a health condition in your functioning eye, check the rules for that condition in health conditions and driving.

What are the 7 physical fitness tests? ›

Testing health-related components of fitness
  • Strength - Hand grip dynamometer.
  • Strength – One rep max test.
  • Cardiovascular endurance - Multi-stage fitness test.
  • Cardiovascular endurance – Twelve minute Cooper run or swim.
  • Flexibility - Sit and reach test.
  • Speed - 30 metre sprint test.


1. High Risk Offenders
(Calgary Herald)
2. High risk offender Allen Cayenne
(Community TV)
3. Introduction to confidentiality
(MDU Video)
4. Unit 5 The regulatory framework of the taxi and private hire industry
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5. IOSH Webinar: Driver safety – who’s responsibility is it?
6. Introduction to confidentiality and Q&A panel discussion
(MDU Video)
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