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ArhamDiagnostics
Haematology

Coombs Test (Direct & Indirect)

Detects antibodies stuck to red cells, or circulating against them.

Also known as: DCT, direct antiglobulin test, DAT, indirect Coombs

We can collect this sample at your home, free of charge. Book a home visit.

Turnaround
24 hours
Preparation
No fasting needed. Eat and drink normally.
Sample
Blood sample

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About this test

The direct test looks for antibody already coating the red cells, which is what causes autoimmune haemolytic anaemia and haemolytic disease of the newborn. The indirect test looks for antibody free in the plasma, and is the basis of antenatal antibody screening and of cross-matching before transfusion.

What it measures

  • Direct antiglobulin test
  • Indirect antiglobulin test

A note on results. A single test is one part of a clinical picture, not a diagnosis. Discuss your report with a qualified doctor, who will read it alongside your history and examination.

Related to

  • Anaemia & fatigue
  • Pregnancy
  • Autoimmune

Often ordered with this

  • AFP (Alpha-Fetoprotein)

    A liver and germ-cell tumour marker, also used in antenatal screening.

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  • ANA / ANF Screening

    The first-line screen for lupus and related connective tissue disease.

    • 3–5 working days
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  • ANA Group Test (24 Antigens)

    Identifies which specific nuclear antigens the antibodies are directed against.

    • 5–7 working days
    • No fasting
    • Home collection
    Price on requestCallWhatsApp