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BloedCheckup logoBloedCheckup
  • Our tests

    Pick the blood test or package that matches your needs.

    All blood tests

    Browse every category and focus area in one overview.

    Value bundles

    Comprehensive combos curated for common health goals.

    STD Test Guide

    Find out which STD test is right for you.

    Fingerstick at home

    See all fingerstick kits you can collect and return from home.

    Urine tests

    Find urine analyses with prepaid return packaging.

    Saliva tests

    View all saliva tests.

    Stool tests

    View all stool tests.

    Custom test request

    Request a bespoke panel built around your personal needs.

  • Service & process

    Everything around ordering, collection and logistics.

    How it works

    See each step from order to results in a clear timeline.

    Locations

    Find one of 1,000+ professional blood draw locations.

    Laboratories

    Discover our ISO-certified lab partners and quality controls.

    Fasting guidance

    Check when you need to fast and how to prepare properly.

    Shipping

    Instructions for sending your sample safely to the lab.

    FAQ

    Quick answers to popular questions about ordering and testing.

  • Support & contact

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    Contact

    Call or email our team for direct assistance.

    Customer reviews

    Read real experiences from customers just like you.

    Custom test request

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    About BloedCheckup

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    Returns policy

    Learn how cancelling, refunds and shipping costs work.

    Medical disclaimer

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  3. Cbr test alcoholgebruik gamma gt ggt cdt
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Blood collection at collection point

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Gamma-GT and CDT (alcohol use)

Gamma-GT and CDT; liver function and alcohol intake.

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Blood collection at collection point

  • After your order you receive instructions by email
  • Make an appointment at a collection point near you
  • Blood collection at 1,000+ locations across the Netherlands
  • Receive your results digitally by email
See how it works →

What is GAMMA-GT (GGT) + CDT?

GAMMA-GT (GGT) and Carbohydrate Deficient Transferrin (CDT) are biomarkers in the blood used to monitor alcohol consumption. GGT is an enzyme involved in the metabolism of fats and alcohol in the liver, while CDT is a form of transferrin, a protein that transports iron in the blood, which decreases with prolonged excessive alcohol use.

Why would you choose to test GAMMA-GT (GGT) + CDT?

This test is useful for people who want to monitor or evaluate their alcohol consumption, especially in situations where excessive use might pose a health risk. It is also helpful for medical professionals to detect and assess alcohol misuse, as well as for evaluating liver function.

What does it indicate?

An elevated level of GGT and/or CDT may indicate excessive alcohol consumption or liver damage. These tests provide an objective measurement to evaluate alcohol use and its effects on the liver.

What does a high GGT or CDT level mean?

A high level may indicate recent excessive alcohol use, liver inflammation, or damage caused by prolonged alcohol misuse. It may also indicate other liver conditions.

May sometimes be used by the CBR.

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Gamma-GT and CDT (alcohol use) - GAMMA-GT_GGT_andCarbohydrate
Gamma-GT and CDT (alcohol use) - GAMMA-GT_GGT_andCarbohydrate
Test kit
Gamma-GT and CDT (alcohol use) - GAMMA-GT_GGT_andCarbohydrate
Gamma-GT and CDT (alcohol use) - GAMMA-GT_GGT_andCarbohydrate
Test kit