Natural Killer Cells (NKC)
- Category
- Immunity
- 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
- All Ages
What Is This Test?
Uses flow cytometry to count specific types of immune cells (Natural Killer Cells (NKC)).
Why this test is performed?
Helps evaluate immune deficiencies, monitor immune status (e.g., in HIV, transplant or treatment with B-cell therapies) and classify blood disorders.
Who should take this test?
Recurrent or unusual infections, or monitoring of immune status — as advised by a doctor.
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.
In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.
Read our Editorial Policy and Medical Review Process.
- Report time: In 5 days
- No fasting
- Report time: In 10 days
- No fasting
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Frequently asked questions
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.
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