Carbohydrate Deficient Transferrin (CDT) DVLA Blood Test

Do you need to take a DVLA fitness-to-drive test? If you've lost your licence relating to alcohol, this test assesses your drinking patterns by measuring your CDT levels.

Doctor reviewed

Sample: Blood
Collection: In-store clinic or home nurse visit or venous draw at clinic
Results in: 7 days
Biomarkers: 1
Doctor reviewed: Yes

Tests for

Carbohydrate deficient transferrin

Test specifications

Provider: Medichecks
Sample type: blood
Collection method: in-store clinic or home nurse visit or venous draw at clinic
Turnaround time: 7 days
Biomarkers tested: 1
At-home test: No
Doctor reviewed: Yes
Gender focus: Both

What's tested

1 biomarker as listed by Medichecks.

Alcohol consumption

Carbohydrate deficient transferrin

About this test

Do you need to take a DVLA fitness-to-drive test? If you've lost your licence relating to alcohol, this test assesses your drinking patterns by measuring your CDT levels. Low CDT levels can help reassure you that you're likely to pass the DVLA's equivalent test.

Description provided by Medichecks.

Our editorial score

Compare Health Test Score

Editorial confidence: 10.0/10

Score breakdown

Clarity and documentation 8.0/10

The listing publishes a short description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.
Clinical depth 7.2/10

1 biomarkers, placing it in the 44th percentile of toxicology tests we track.
Collection convenience 4.0/10

Requires a venous draw at a clinic; a home nurse visit is offered; results in around 7 days.
Results and follow-up 7.5/10

Results are reviewed by a doctor.
Trust signals 9.5/10

Trustpilot 4.5 from 2,477 reviews; accredited lab (UKAS ISO 15189 partner labs); doctor review as standard; trading 25+ years.
Value for money 9.0/10

£99.00 against a median of £195.00 for the 8 similarly sized toxicology tests we track (-49%).