Soluble Transferrin Receptor (STFR) Test
- Category
- Iron & Anaemia
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 13 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures soluble transferrin receptor (sTfR), which rises when body cells need more iron.
Why this test is performed?
Helps distinguish iron-deficiency anaemia from anaemia of chronic disease, especially when ferritin is misleading due to inflammation.
Who should take this test?
Tiredness, pale skin, breathlessness, hair fall, heavy periods, pregnancy, or known anaemia.
Test Preparation
No fasting needed.
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 2 days
- No fasting
- Report time: In 2 days
- No fasting
- Report time: In 2 days
- Fasting 10–12 h
- Report time: In 2 days
- No fasting
Frequently asked questions
No, unlike ferritin it is largely unaffected by inflammation.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 11–12 days after the sample reaches the lab. You will receive the report online.
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