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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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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
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Post-COVID Syndrome Basic

Hemoglobin, MCV, iron, ESR, creatinine, eGFR, platelets, and vitamin D. For persistent symptoms after coronavirus.

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€110.00EUR

  • Trustpilot 4.5/5
  • Thousands of customers before you
  • No GP referral needed
  • Accredited laboratories
  • 1,000+ collection locations in the Netherlands
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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 Post-COVID Syndrome Basic?

The Post-COVID Syndrome Basic blood test is specifically developed for individuals with persistent symptoms after a coronavirus infection. Long COVID or post-COVID syndrome is characterized by prolonged symptoms such as extreme fatigue, shortness of breath, muscle weakness, concentration problems, and a general feeling of unwellness. This test examines important markers that can explain why your symptoms persist: residual infection, kidney status, blood counts, and vitamin D. It helps identify if there are treatable causes for your post-COVID symptoms.

What is tested?

  • Hemoglobin (Hb) – Oxygen-transporting protein
  • MCV – Mean corpuscular volume of red blood cells
  • Iron – Available iron for oxygen transport
  • ESR (Sedimentation Rate) – Erythrocyte sedimentation rate, inflammation marker
  • Creatinine – Kidney function
  • eGFR (Kidney Function) – Estimated glomerular filtration rate
  • Platelets – Blood platelets
  • Vitamin D – For the immune system and general health

Why should you get Post-COVID Syndrome Basic done?

This test is important for anyone with persistent symptoms after COVID-19 such as extreme fatigue, shortness of breath, muscle weakness, or cognitive problems. COVID-19 can affect the blood, kidneys, and immune system. The ESR (sedimentation rate) measures if there are still active inflammations. Hemoglobin and iron check for anemia that explains fatigue. Kidney function can be affected after COVID. Platelets can be disturbed, causing clotting problems. Vitamin D is crucial for the immune system and recovery. This test helps identify treatable causes of post-COVID symptoms.

What does it indicate?

The results provide insight into possible causes of your post-COVID symptoms. This basic test measures:

  • Inflammation Status – ESR (sedimentation rate) for persistent inflammation
  • Blood Counts – Hemoglobin, iron, and MCV for anemia
  • Kidney Function – Creatinine and eGFR
  • Coagulation System – Platelets for blood platelets
  • Immune System – Vitamin D for recovery and immunity

This information assists in developing a treatment plan for post-COVID recovery.

What does a high level mean?

Increased ESR indicates persistent inflammation after COVID that may require treatment. Elevated hemoglobin is rare but can indicate dehydration or blood thickening. High platelets can occur in response to inflammation. Elevated creatinine means reduced kidney function, which sometimes occurs after severe COVID and requires further evaluation. Very high vitamin D due to overdose of supplements can cause side effects. These abnormalities require medical evaluation and treatment.

What does a low level mean?

Low hemoglobin and iron are common after COVID and cause extreme fatigue and shortness of breath. Iron deficiency should be treated with supplements. Low platelets can indicate immune problems or bone marrow disorders after COVID. Low MCV indicates iron deficiency anemia. Low vitamin D weakens the immune system and significantly delays recovery - supplementation is essential. All these deficiencies are treatable, and improvement in these values often leads to a significant reduction in post-COVID symptoms such as fatigue and muscle weakness.

Have questions?

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How it works

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