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Natural Killer Cell Marker : CD 56

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Natural Killer Cell Marker : CD 56
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Natural Killer Cell Marker : CD 56, in Bangalore

Measures CD56-positive natural killer cells in blood to assess immune function, infections, and certain blood cancers.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
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Male/Female
GET REPORTS IN
28 hours
TEST INCLUDED
1
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20K+Customers
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What is a Natural Killer Cell Marker : CD 56 Test in Bangalore ?

The Natural Killer Cell Marker CD56 test measures CD56 proteins on natural killer (NK) cells in the blood. NK cells are part of the body's first-line defense against viruses and abnormal cells. This test helps evaluate innate immune function. It can detect or monitor immune deficiencies, viral infections, and certain blood cancers that involve NK cells. Doctors use it with other blood tests and clinical information to diagnose problems and follow treatment response. The test is usually done by flow cytometry on a blood sample and results guide care and further testing.

Natural Killer Cell Marker : CD 56 Test Preparation in Bangalore

No special preparation is required.

Natural Killer Cell Marker : CD 56 Test Parameters in Bangalore

The Natural Killer Cell Marker : CD 56 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 Natural Killer Cell Marker : CD 56 Test in Bangalore ?

Natural Killer Cell Marker : CD 56 is commonly included in immune panels and flow cytometry profiles. Doctors may order it for recurrent infections, unexplained fevers, low or abnormal blood counts, or suspected immune disorders. It helps diagnose or monitor NK-cell leukemias, lymphomas, and immunodeficiencies, and to follow response to therapies. Abnormal results can occur with infections, autoimmune disease, cancer, or immunosuppressive drugs. A family history of immune problems may prompt testing.

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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

Do natural killer cells express CD56 in Bangalore?plus

Yes. Human natural killer (NK) cells typically express CD56 (neural cell adhesion molecule) and are identified as CD56+ CD3−. Two main subsets exist: CD56bright NK cells (high cytokine production, lower cytotoxicity) and CD56dim NK cells (greater cytotoxicity, often CD16+). A minority of NK cells can be CD56− in certain disease or chronic infection settings.

What is the role of CD16 in NK cells in Bangalore?plus

CD16 (FcγRIII) on natural killer (NK) cells binds the Fc portion of IgG antibodies, enabling antibody‑dependent cellular cytotoxicity (ADCC). Engagement triggers NK activation, degranulation with perforin/granzymes and secretion of cytokines (e.g., IFN‑γ), leading to targeted killing of antibody‑coated cells. CD16 expression and genetic variants influence IgG affinity and thus NK‑mediated immune responses and therapeutic antibody efficacy.

Is CD56 positive good or bad in Bangalore?plus

CD56 is a cell-surface marker (NCAM) whose meaning depends on context. On immune cells it's normal: CD56+ natural killer (NK) subsets (CD56bright/regulatory, CD56dim/cytotoxic) indicate immune function. However, CD56 expression on abnormal cells (e.g., certain leukemias, NK/T‑cell lymphomas, neuroendocrine or plasma cell malignancies) can signal disease and affect prognosis. Thus CD56 positivity is neither inherently good nor bad.

What does high CD16 CD56 mean in Bangalore?plus

High CD16/CD56 indicates an increased population of natural killer (NK) cells—often cytotoxic or activated NK subsets. This finding can reflect viral infection, acute inflammation, autoimmune conditions, physiologic stress, or, less commonly, NK‑cell proliferation or malignancy. Clinical correlation and follow‑up (repeat flow cytometry, infection workup, and immunology/hematology review) are needed to determine if it’s reactive or pathologic.

What does CD56 negative mean in Bangalore?plus

CD56 negative means the cells do not express the CD56 (NCAM) surface marker when tested by flow cytometry or immunostaining. Since CD56 is commonly found on natural killer cells and some neural/tumor cells, absence of CD56 affects immunophenotyping, subtype classification, and diagnostic or prognostic interpretation. Clinical significance depends on context and requires correlation with other markers and findings.

What is the normal range of CD56 in Bangalore?plus

CD56 (an NK‑cell marker) is normally expressed on about 5–20% of peripheral blood lymphocytes. In adults the absolute CD56+ (NK) cell count typically ranges roughly 90–600 cells/µL. Subsets include CD56bright (minor population) and CD56dim (majority). Reference ranges can vary by lab, age and methodology, so interpret results with the lab’s specific normal values.

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I needed Natural Killer Cell Marker : CD 56 done before starting long-term antibiotics. GetVisit in Jayanagar, Bengaluru made the whole process so convenient for me. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Sudhanshu Patel

Bangalore

starstarstarstarstar

My child had a sore throat for a week and the doctor wanted to check for a specific infection with Natural Killer Cell Marker : CD 56. GetVisit, quick and gentle, report ready the same day. We avoided guesswork about antibiotics.

Meenakshi Reddy

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. The phlebotomist from GetVisit visited me in Banashankari, Bengaluru, on time and professional. My doctor ordered Natural Killer Cell Marker : CD 56 to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Usha Patil

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included Natural Killer Cell Marker : CD 56. My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Mita Ghosh

Bangalore

starstarstarstarstar

Annual preventive screen included Natural Killer Cell Marker : CD 56 on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Ritu Solanki

Bangalore

starstarstarstarstar

Pre-employment health clearance required Natural Killer Cell Marker : CD 56. GetVisit in HSR Layout, Bengaluru made the whole process so convenient for me. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Esha Jagtap

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with Natural Killer Cell Marker : CD 56. Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Indu Krishnan

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted Natural Killer Cell Marker : CD 56 to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Sameer Pandey

Bangalore

starstarstarstarstar

My doctor needed Natural Killer Cell Marker : CD 56 before prescribing immunosuppressive therapy. GetVisit handled it at home the next morning. Report before my afternoon consultation and my doctor could proceed confidently.

Smitha Kumar

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 before travelling to a country with a health certificate requirement. GetVisit, quick appointment, digital report easy to carry on my phone. Cleared for travel.

Alka Malviya

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 done before starting long-term antibiotics. GetVisit in Jayanagar, Bengaluru made the whole process so convenient for me. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Sudhanshu Patel

Bangalore

starstarstarstarstar

My child had a sore throat for a week and the doctor wanted to check for a specific infection with Natural Killer Cell Marker : CD 56. GetVisit, quick and gentle, report ready the same day. We avoided guesswork about antibiotics.

Meenakshi Reddy

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. The phlebotomist from GetVisit visited me in Banashankari, Bengaluru, on time and professional. My doctor ordered Natural Killer Cell Marker : CD 56 to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Usha Patil

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included Natural Killer Cell Marker : CD 56. My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Mita Ghosh

Bangalore

starstarstarstarstar

Annual preventive screen included Natural Killer Cell Marker : CD 56 on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Ritu Solanki

Bangalore

starstarstarstarstar

Pre-employment health clearance required Natural Killer Cell Marker : CD 56. GetVisit in HSR Layout, Bengaluru made the whole process so convenient for me. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Esha Jagtap

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with Natural Killer Cell Marker : CD 56. Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Indu Krishnan

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted Natural Killer Cell Marker : CD 56 to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Sameer Pandey

Bangalore

starstarstarstarstar

My doctor needed Natural Killer Cell Marker : CD 56 before prescribing immunosuppressive therapy. GetVisit handled it at home the next morning. Report before my afternoon consultation and my doctor could proceed confidently.

Smitha Kumar

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 before travelling to a country with a health certificate requirement. GetVisit, quick appointment, digital report easy to carry on my phone. Cleared for travel.

Alka Malviya

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 done before starting long-term antibiotics. GetVisit in Jayanagar, Bengaluru made the whole process so convenient for me. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Sudhanshu Patel

Bangalore

starstarstarstarstar

My child had a sore throat for a week and the doctor wanted to check for a specific infection with Natural Killer Cell Marker : CD 56. GetVisit, quick and gentle, report ready the same day. We avoided guesswork about antibiotics.

Meenakshi Reddy

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. The phlebotomist from GetVisit visited me in Banashankari, Bengaluru, on time and professional. My doctor ordered Natural Killer Cell Marker : CD 56 to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Usha Patil

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included Natural Killer Cell Marker : CD 56. My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Mita Ghosh

Bangalore

starstarstarstarstar

Annual preventive screen included Natural Killer Cell Marker : CD 56 on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Ritu Solanki

Bangalore

starstarstarstarstar

Pre-employment health clearance required Natural Killer Cell Marker : CD 56. GetVisit in HSR Layout, Bengaluru made the whole process so convenient for me. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Esha Jagtap

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with Natural Killer Cell Marker : CD 56. Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Indu Krishnan

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted Natural Killer Cell Marker : CD 56 to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Sameer Pandey

Bangalore

starstarstarstarstar

My doctor needed Natural Killer Cell Marker : CD 56 before prescribing immunosuppressive therapy. GetVisit handled it at home the next morning. Report before my afternoon consultation and my doctor could proceed confidently.

Smitha Kumar

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 before travelling to a country with a health certificate requirement. GetVisit, quick appointment, digital report easy to carry on my phone. Cleared for travel.

Alka Malviya

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 done before starting long-term antibiotics. GetVisit in Jayanagar, Bengaluru made the whole process so convenient for me. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Sudhanshu Patel

Bangalore

starstarstarstarstar

My child had a sore throat for a week and the doctor wanted to check for a specific infection with Natural Killer Cell Marker : CD 56. GetVisit, quick and gentle, report ready the same day. We avoided guesswork about antibiotics.

Meenakshi Reddy

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. The phlebotomist from GetVisit visited me in Banashankari, Bengaluru, on time and professional. My doctor ordered Natural Killer Cell Marker : CD 56 to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Usha Patil

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included Natural Killer Cell Marker : CD 56. My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Mita Ghosh

Bangalore

starstarstarstarstar

Annual preventive screen included Natural Killer Cell Marker : CD 56 on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Ritu Solanki

Bangalore

starstarstarstarstar

Pre-employment health clearance required Natural Killer Cell Marker : CD 56. GetVisit in HSR Layout, Bengaluru made the whole process so convenient for me. GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Esha Jagtap

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with Natural Killer Cell Marker : CD 56. Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Indu Krishnan

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted Natural Killer Cell Marker : CD 56 to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Sameer Pandey

Bangalore

starstarstarstarstar

My doctor needed Natural Killer Cell Marker : CD 56 before prescribing immunosuppressive therapy. GetVisit handled it at home the next morning. Report before my afternoon consultation and my doctor could proceed confidently.

Smitha Kumar

Bangalore

starstarstarstarstar

I needed Natural Killer Cell Marker : CD 56 before travelling to a country with a health certificate requirement. GetVisit, quick appointment, digital report easy to carry on my phone. Cleared for travel.

Alka Malviya

Bangalore