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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

    Personal advice, reviews and legal information.

    Contact

    Call or email our team for direct assistance.

    Customer reviews

    Read real experiences from customers just like you.

    Custom test request

    Request a bespoke panel built around your personal needs.

    About BloedCheckup

    Meet our team and learn about our mission.

    Returns policy

    Learn how cancelling, refunds and shipping costs work.

    Medical disclaimer

    Important medical and usage information.

    Privacy policy

    Understand how we protect and process your data.

    Terms & conditions

    Read the legal terms for our services.

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  3. Leukocyten witte bloedcellen vingerprik
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Leukocytes (White Blood Cells) (fingerstick) - Leucocyten_wbc
Leukocytes (White Blood Cells) (fingerstick) - Leucocyten_wbc
Test kit

Fingerstick at home – no collection point needed

  • You receive a fingerstick kit with clear instructions
  • Easily collect a few drops of blood yourself

Fingerstick at home – no collection point needed

  • You receive a fingerstick kit with clear instructions
  • Easily collect a few drops of blood yourself
  • Return via medical mail to the lab

What are Leukocytes?

Leukocytes, or white blood cells (WBC), are cells in our blood that are essential for the immune system. They help protect the body against infections, diseases, and other foreign substances.

Why should you have Leukocytes measured/tested?

Testing leukocytes is useful for assessing the general health of the immune system and for checking for possible infections, inflammatory diseases, and certain blood disorders. It can also be part of a routine health check.

What does it indicate?

The number of leukocytes in the blood provides insight into the state of the immune system. Abnormalities may indicate the presence of infections, inflammatory processes, a reaction to medication, and, in rare cases, blood cancer.

What does a high leukocyte level mean?

A high leukocyte count, known as leukocytosis, can indicate an infection, inflammation, stress, trauma, allergies, or diseases such as leukemia.

What does a low leukocyte level mean?

A low leukocyte count, known as leukopenia, can be a sign of a suppressed immune system, possibly due to viral infections, certain medications, hereditary conditions, or more serious conditions such as bone marrow problems.

Have questions?

Check our frequently asked questions or contact us.

Return via medical mail to the lab
See fingerstick instructions →

Leukocytes (White Blood Cells) (fingerstick)

White blood cells; infection or inflammation.

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See fingerstick instructions →
Frequently asked questions →

How it works

Discover the 5-step process from order to result

Fingerstick at home

Guide to at-home collection and free return to the lab

Laboratories

ISO-certified partner laboratories

Leukocytes (White Blood Cells) (fingerstick) - Leucocyten_wbc
Leukocytes (White Blood Cells) (fingerstick) - Leucocyten_wbc
Test kit