Cortisol Blood Test
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Cortisol Blood Test

A cortisol blood test measures the level of cortisol in your blood to see if your levels are normal. Cortisol is a hormone that affects almost every organ and tissue in your body. It helps your body:

  • Respond to stress (cortisol is sometimes called the “stress hormone”)
  • Reduce inflammation
  • Regulate blood sugar and metabolism (how your body uses food for energy)
  • Control blood pressure
£49.99

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Cortisol Blood Test - Next Day Results

Cortisol Blood Test

Cortisol is made by your adrenal glands, two small glands that sit above the kidneys. A gland in your brain, called the pituitary gland, makes a hormone that tells your adrenal glands how much cortisol to make. If your cortisol levels are too high or too low, it may mean you have a disorder of your adrenal glands, a problem with your pituitary gland, or a tumor that makes cortisol.

High levels of cortisol may also happen if you take large doses of certain steroid medicines, such as prednisone, for a long time. And low levels may happen if you stop the medicine suddenly.

Without treatment, cortisol levels that are too high or too low can be very serious.

Why have a Cortisol Blood Test

A cortisol test is used to help diagnose medical conditions that cause too much or too little cortisol. These conditions include disorders that affect the adrenal glands:

Cushing’s syndrome is a disorder that happens when your body has too much cortisol over a long period of time.
Addison disease is a condition in which your adrenal glands are damaged and can’t make enough cortisol.
Secondary adrenal insufficiency is a condition in which your adrenal glands don’t make enough cortisol because your pituitary gland isn’t working properly.

Cortisol testing is also used to monitor treatment for these conditions.

You may need a cortisol test if you have symptoms of a condition that affects cortisol levels.

  • Symptoms of Cushing’s syndrome (too much cortisol) may include:
    • Weight gain
    • Thin arms and legs
    • Round face
    • Increased fat around the base of the neck or between the shoulder blades
    • Easy bruising
    • Wide purple streaks on the stomach, breasts, hips, and under the arms
    • Muscle weakness
  • Common symptoms of Addison disease and adrenal insufficiency (not enough cortisol) may include:
    • Long-lasting fatigue
    • Muscle weakness
    • Loss of appetite
    • Weight loss
    • Abdominal (belly) pain
Your Satisfaction is Important to us
  • Next Day Results (after sample is received by laboratory)
  • Results via E-mail and/or lab portal access
  • More than 97% accuracy
  • Blood Sample Collected in-clinic by qualified Medical Professionals
  • UKAS & CQC registered laboratory
  • The call centre is open 10 AM to 7 PM 7 days a week for your peace of mind.
Your Results

As soon as the results become available and you will also be sent an email certificate with them on. If you do not receive your results within 24 hours of the blood test being taken please contact us via info@rapidlabtest.co.uk or call us on 020 7258 3801 between 10 AM to 7 PM Monday – Sunday.