Lymphocyte Enumeration Basic & NK Cells Test

Lymphocyte Enumeration Basic & NK Cells Test

Category
Immunity
Sample
Blood sample taken from a vein in your arm
Reports () Terms & Conditions Report time varies with time of sample collection.
In 4 days
Fasting
No Fasting
Age
5+ Years

What Is This Test?

Uses flow cytometry to count specific types of immune cells (Lymphocyte Enumeration Basic & NK Cells Test).

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.

What's included 12 parameters

CD19 (Total B cells) (1)
  • CD19 (Total B cells)
Absolute Lymphocyte Count (1)
  • Absolute Lymphocyte Count
CD4 / CD8 Ratio (1)
  • CD4 / CD8 Ratio
Absolute CD3 - / CD(16 + 56) (1)
  • Absolute CD3 - / CD(16 + 56)
CD3 - / CD(16 + 56) (1)
  • CD3 - / CD(16 + 56)
Absolute CD19 (1)
  • Absolute CD19
Absolute CD8 (1)
  • Absolute CD8
CD8 (Suppressor T cells) (1)
  • CD8 (Suppressor T cells)
Absolute CD4 (1)
  • Absolute CD4
CD4 (Helper T cells) (1)
  • CD4 (Helper T cells)
Absolute CD3 (1)
  • Absolute CD3
CD3 (Total T cells) (1)
  • CD3 (Total T cells)
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.

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 2–3 days after the sample reaches the lab. You will receive the report online.

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