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CD16 (Natural Killer Cells), in Bangalore

Measures CD16 on natural killer cells to assess immune activity and risks for infections or immune disorders.

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Blood
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No
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Male/Female
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25 hours
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1
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What is a CD16 (Natural Killer Cells) Test in Bangalore ?

This test measures CD16, a protein found on a type of white blood cell called natural killer (NK) cells. NK cells are part of your innate immune system. They help destroy virus-infected cells and some cancer cells. Measuring CD16 helps show how many NK cells are present and how they function. Doctors use the result to check for immune system problems. It can help diagnose recurrent infections, immune deficiencies, certain blood cancers, and to monitor response to treatments such as cancer therapy or immunosuppressive drugs. The test is usually done by flow cytometry on a blood sample and is interpreted along with other immune and blood tests.

CD16 (Natural Killer Cells) Test Preparation in Bangalore

No special preparation is required.

CD16 (Natural Killer Cells) Test Parameters in Bangalore

The CD16 (Natural Killer Cells) test evaluates various parameters related to the different components. Here are the main parameters that are checked in the test:

  • Single test

Why Take a CD16 (Natural Killer Cells) Test in Bangalore ?

CD16 (Natural Killer Cells) is often part of an immune panel or lymphocyte subset profile performed by flow cytometry. Doctors may order it for recurrent or unusual infections, unexplained low blood counts, suspected immune deficiency, or to monitor cancer treatment and transplant patients. Abnormal results can come from infections, autoimmune diseases, chemotherapy, steroids, or inherited immune defects. A family history of primary immunodeficiency or recurrent infections may make this test especially important.

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Frequently asked questions

For any unanswered questions, reach out to our support team via email. We will assist you as soon as possible

What does CD16 do on NK cells in Bangalore?plus

CD16 (FcγRIII) on NK cells binds the Fc portion of IgG on antibody-coated targets, triggering antibody-dependent cellular cytotoxicity (ADCC). Engagement induces ITAM-mediated signaling, NK cell activation, degranulation with perforin/granzymes release, and cytokine production (e.g., IFN‑γ), enabling killing of infected or tumor cells. CD16 is a low‑affinity Fc receptor; genetic variants influence its binding and ADCC potency.

What is the difference between CD16 and CD56 NK cells in Bangalore?plus

NK cells segregate into CD56bright CD16−/dim and CD56dim CD16+ subsets. CD56bright CD16−/dim are mainly in lymphoid tissues, produce high levels of cytokines (e.g., IFN-γ), have lower direct cytotoxicity, and respond strongly to cytokines like IL-2. CD56dim CD16+ dominate blood, express perforin/granzyme, are highly cytotoxic and mediate antibody-dependent cellular cytotoxicity via CD16 (FcγRIIIa).

What is CD16 a marker for in Bangalore?plus

CD16 (FcγRIII) is an Fc gamma receptor expressed mainly on natural killer (NK) cells and on certain myeloid cells — neutrophils, monocytes and macrophages. It’s used as a marker to identify NK cells and mature neutrophils and reflects capacity for antibody-dependent cellular cytotoxicity (ADCC) and immune complex handling. Two isoforms exist: CD16a (NK cells, monocytes/macrophages) and CD16b (neutrophils).

Do NKT cells express CD16 in Bangalore?plus

Most canonical NKT cells (CD3+ CD1d-restricted invariant NKT) do not express CD16 (FcγRIII). They can share some NK receptors (e.g., CD56, NKG2D), but CD16 is typically absent or only present on rare/activated NKT-like subsets. Thus CD16 is not a defining marker for classical NKT cells; any CD16 positivity is variable and subset-dependent.

What is the main function of natural killer NK cells in Bangalore?plus

Natural killer (NK) cells are innate lymphocytes whose main function is to detect and rapidly eliminate virus‑infected and transformed (tumor) cells without prior sensitization. They kill targets by releasing cytotoxic granules (perforin and granzymes), mediate antibody‑dependent cellular cytotoxicity, and secrete cytokines like interferon‑gamma to shape and activate other immune responses.

Is CD16 expressed on T cells in Bangalore?plus

CD16 (FcγRIII) is primarily expressed on natural killer cells, neutrophils and some monocytes, not on conventional T cells. However, small, highly differentiated CD8+ T‑cell subsets—and occasionally γδ T cells—can express CD16 after activation or during chronic infection. Those CD16+ T cells can mediate antibody‑dependent functions, but CD16 expression on T cells is uncommon and context‑dependent.

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My son had a persistent fever for three days. His paediatrician ordered CD16 (Natural Killer Cells). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Venkatesan Rajan

Bangalore

starstarstarstarstar

I returned from a trip with fever and body aches. Physician suspected a vector-borne illness and ordered CD16 (Natural Killer Cells). GetVisit, urgent appointment, technician at home within hours, report before my evening consultation.

Sharada Prakash

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD16 (Natural Killer Cells). The phlebotomist from GetVisit visited me in Jayanagar, Bengaluru, on time and professional. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Tanushree Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. My doctor ordered CD16 (Natural Killer Cells) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Vivek Mishra

Bangalore

starstarstarstarstar

Annual preventive screen included CD16 (Natural Killer Cells) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Hrishikesh Nair

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD16 (Natural Killer Cells). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Zaheer Murthy

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD16 (Natural Killer Cells). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Laxmi Mathur

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. GetVisit in Malleshwaram, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Ravi Kumar

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD16 (Natural Killer Cells) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Purnima Prajapati

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. Being in Nagarbhavi, Bengaluru, home collection services like GetVisit are very useful. GetVisit, wonderful with my anxious child, and the negative result meant she could return to school.

Paramita Das

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD16 (Natural Killer Cells). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Venkatesan Rajan

Bangalore

starstarstarstarstar

I returned from a trip with fever and body aches. Physician suspected a vector-borne illness and ordered CD16 (Natural Killer Cells). GetVisit, urgent appointment, technician at home within hours, report before my evening consultation.

Sharada Prakash

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD16 (Natural Killer Cells). The phlebotomist from GetVisit visited me in Jayanagar, Bengaluru, on time and professional. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Tanushree Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. My doctor ordered CD16 (Natural Killer Cells) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Vivek Mishra

Bangalore

starstarstarstarstar

Annual preventive screen included CD16 (Natural Killer Cells) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Hrishikesh Nair

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD16 (Natural Killer Cells). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Zaheer Murthy

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD16 (Natural Killer Cells). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Laxmi Mathur

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. GetVisit in Malleshwaram, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Ravi Kumar

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD16 (Natural Killer Cells) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Purnima Prajapati

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. Being in Nagarbhavi, Bengaluru, home collection services like GetVisit are very useful. GetVisit, wonderful with my anxious child, and the negative result meant she could return to school.

Paramita Das

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD16 (Natural Killer Cells). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Venkatesan Rajan

Bangalore

starstarstarstarstar

I returned from a trip with fever and body aches. Physician suspected a vector-borne illness and ordered CD16 (Natural Killer Cells). GetVisit, urgent appointment, technician at home within hours, report before my evening consultation.

Sharada Prakash

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD16 (Natural Killer Cells). The phlebotomist from GetVisit visited me in Jayanagar, Bengaluru, on time and professional. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Tanushree Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. My doctor ordered CD16 (Natural Killer Cells) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Vivek Mishra

Bangalore

starstarstarstarstar

Annual preventive screen included CD16 (Natural Killer Cells) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Hrishikesh Nair

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD16 (Natural Killer Cells). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Zaheer Murthy

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD16 (Natural Killer Cells). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Laxmi Mathur

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. GetVisit in Malleshwaram, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Ravi Kumar

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD16 (Natural Killer Cells) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Purnima Prajapati

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. Being in Nagarbhavi, Bengaluru, home collection services like GetVisit are very useful. GetVisit, wonderful with my anxious child, and the negative result meant she could return to school.

Paramita Das

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD16 (Natural Killer Cells). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Venkatesan Rajan

Bangalore

starstarstarstarstar

I returned from a trip with fever and body aches. Physician suspected a vector-borne illness and ordered CD16 (Natural Killer Cells). GetVisit, urgent appointment, technician at home within hours, report before my evening consultation.

Sharada Prakash

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD16 (Natural Killer Cells). The phlebotomist from GetVisit visited me in Jayanagar, Bengaluru, on time and professional. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Tanushree Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. My doctor ordered CD16 (Natural Killer Cells) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Vivek Mishra

Bangalore

starstarstarstarstar

Annual preventive screen included CD16 (Natural Killer Cells) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Hrishikesh Nair

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD16 (Natural Killer Cells). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Zaheer Murthy

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD16 (Natural Killer Cells). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Laxmi Mathur

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. GetVisit in Malleshwaram, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Ravi Kumar

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD16 (Natural Killer Cells) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Purnima Prajapati

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD16 (Natural Killer Cells) as a precaution. Being in Nagarbhavi, Bengaluru, home collection services like GetVisit are very useful. GetVisit, wonderful with my anxious child, and the negative result meant she could return to school.

Paramita Das

Bangalore