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Blood percentage blood test

Last updated: April 6, 2026

Blood percentage finger prick blood test is a simple and quick method to measure the amount of hemoglobin in the blood. Hemoglobin is the protein in red blood cells that carries oxygen around the body. This test gives the doctor important information about your general health and can help diagnose various diseases and conditions.

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Jakob Fraes
Specialist in General Medicine, Ph.D.
Read more about Hemoglobin blood test (finger prick – answer in 2 min.). Everything you should know.

What exactly is being measured?

When we talk about blood percentage, we are referring to the concentration of hemoglobin in the blood. Hemoglobin is what gives blood its red color and is crucial for transporting oxygen from the lungs to the rest of the body. A normal blood percentage ensures that the body's tissues and organs receive the necessary amount of oxygen.

Test preparation

To achieve the most accurate results, it is recommended to be well-hydrated before the test. Avoid heavy physical activity the day before, as this may affect the results. It is also important to inform the doctor about all medications and supplements you are taking.

What does the test involve?

The test is quick and almost painless. The doctor or nurse will clean your finger with alcohol and then make a small prick with a sterile needle. A small amount of blood is collected with a special device that will immediately show the results.

Blood count values and what they mean

After the test, your doctor will interpret the results. Normally, the blood percentage for adult men is between 13.8 and 17.2 g/dL and for adult women between 12.1 and 15.1 g/dL. Values outside this range may indicate a number of conditions, from iron deficiency to chronic diseases.

Causes of low blood count

A low blood count, also known as anemia, can be caused by many different factors. These can include iron deficiency, vitamin deficiency, chronic diseases such as kidney disease or rheumatoid arthritis, or more serious conditions such as bone marrow disorders.

When should you contact the doctor?

If you experience symptoms such as fatigue, paleness, shortness of breath, or frequent headaches, it may be a sign of a low blood count. It is important to contact your doctor and have a blood count finger prick blood test to ensure that your health is not at risk.

After reading the above information, you are now better informed about the haemoglobin finger prick blood test. If you have any further questions or concerns, it is always a good idea to talk to your doctor. If you would like to book an appointment for a haemoglobin finger prick blood test, you can do so here on the website by selecting your preferred doctor and booking an appointment.

Frequently Asked Questions

What is a finger-prick blood test used for?

It is used to measure the amount of hemoglobin in the blood to assess overall health and diagnose various diseases and conditions.

Does it hurt to have a finger prick blood test taken?

No, the test is almost painless. A small prick is made on your finger, and only a small amount of blood is needed.

How quickly will I get my blood test results?

The results from a finger prick blood test are typically available immediately, as the blood is analyzed directly on site.

What does it mean if my blood count is low?

A low blood count may indicate anemia, which can be caused by various factors such as iron deficiency, vitamin deficiency, or chronic diseases. It is important to consult a doctor for a full diagnosis.