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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. Alkalische fosfatase af
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Alkaline Phosphatase (AF) - Alkalischefosfatase_AF
Alkaline Phosphatase (AF) - Alkalischefosfatase_AF
Test kit

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

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

What is Alkaline Phosphatase (AF)?

Alkaline phosphatase (AF) is an enzyme found in various tissues in the body, including the liver, bones, kidneys, and the digestive system. It plays a crucial role in the process of breaking down proteins and is involved in bone formation and the transport of fatty acids into and out of cells.

Why Get Alkaline Phosphatase Tested?

Testing AF levels can be useful for evaluating the health of your liver and bones. It may be recommended if you have symptoms such as fatigue, weakness, weight loss, or jaundice, or if a bone disease is suspected. It can also be part of a routine check-up to monitor your liver function.

What Does It Indicate?

AF levels in the blood may indicate the presence of liver diseases, bone diseases, or other conditions. An abnormality from the normal values may suggest liver damage, bile duct obstruction, bone growth or repair, or certain forms of cancer.

What Does a High Alkaline Phosphatase Level Mean?

A high level of AF may indicate liver damage or diseases, bone diseases such as osteoporosis or Paget's disease, or an obstruction of the bile ducts. It may also be elevated in certain cancers or during the healing of a bone fracture.

What Does a Low Alkaline Phosphatase Level Mean?

A low level of AF is less common but can occur with malnutrition, a deficiency of certain vitamins and minerals, hypothyroidism, or, in rare cases, hereditary conditions affecting the production of the enzyme.

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  • Receive your results digitally by email
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    Alkaline Phosphatase (AF)

    AF; liver and bone turnover.

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    Alkaline Phosphatase (AF) - Alkalischefosfatase_AF
    Alkaline Phosphatase (AF) - Alkalischefosfatase_AF
    Test kit