Coombs Titre (Rh Antibody Titre) Test
- Category
- Pregnancy
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 3 days
- Fasting
- No Fasting
- Age
- 5+ Years
Measures the strength (titre) of red-cell antibodies, such as anti-D, in the blood.
Used to monitor Rh-negative pregnant women who have tested positive on the Indirect Coombs Test. Rising titres may mean the baby needs closer monitoring by a fetal medicine specialist.
Women planning pregnancy or who are pregnant, as advised by the gynaecologist.
No fasting needed.
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Usually every 2–4 weeks during pregnancy, as advised by your obstetrician.
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 31–55 hours after the sample reaches the lab. You will receive the report online.