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Natural Killer Cell Marker : CD 56

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Natural Killer Cell Marker : CD 56, in Delhi

Looking for Natural Killer Cell Marker : CD 56 in South Extension, Delhi? The Natural Killer Cell Marker CD56 test measures CD56 proteins on natural killer (NK) cells in the blood. GetVisit offers verified NABL labs in South Extension and Pitampura, transparent pricing and home collection.

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

What is Natural Killer Cell Marker : CD 56?

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. Accurate organism identification is clinically essential , typhoid, dengue, and malaria each require different treatment, and the wrong empirical approach delays recovery.

What does Natural Killer Cell Marker : CD 56 measure?

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.

What symptoms suggest Natural Killer Cell Marker : CD 56 may be needed?

A doctor may recommend Natural Killer Cell Marker : CD 56 when a patient reports sudden fever (above 38.5°C), body aches and chills, persistent headache, nausea or vomiting, abdominal pain, skin rash, joint pain, and extreme fatigue. If you have these symptoms, GetVisit offers booking and home collection across Uttam Nagar, Rohini, and other parts of Delhi.

How is Natural Killer Cell Marker : CD 56 performed?

At a GetVisit-partnered lab in Uttam Nagar or Rohini, Delhi, a certified phlebotomist cleans the inner elbow, locates a vein, and draws the required blood (typically 5 to 10 mL). The procedure takes 3 to 5 minutes. You feel a brief pinch at insertion and mild pressure during collection, then can eat, drive, and resume all activities immediately afterwards.

How accurate is Natural Killer Cell Marker : CD 56?

Results are analytically reliable because GetVisit's Delhi logistics network maintains proper cold-chain transport from your Uttam Nagar or Rohini collection point to the processing lab, preserving sample integrity. NABL independently audits quality control at regular intervals.

Are there any risks to Natural Killer Cell Marker : CD 56?

There are no significant risks beyond those of a standard blood draw. For your appointment in Uttam Nagar or Rohini, Delhi, drink 2 to 3 glasses of water beforehand and stay seated for 2 to 3 minutes afterwards, as vasovagal fainting (rare) is more likely if you are fasting, anxious, or dehydrated. Tell the phlebotomist if you have fainted during previous draws.

Did you know?

CD16 (FcγRIII) on natural killer (NK) cells binds the Fc portion of IgG antibodies, enabling antibody‑dependent cellular cytotoxicity (ADCC).

Natural Killer Cell Marker : CD 56 Test Preparation in Delhi

Your medicines:

Tell the collection staff about any prescription medicines, supplements, or herbal products you're using, and keep taking them unless advised otherwise.

Before you come:

No fasting is required. Eat and drink as usual, stay well hydrated, and simply avoid alcohol and heavy exercise in the 12 hours before your appointment.

Booking your slot:

An early slot works best, especially for fasting tests. Home collection is available across Greater Kailash, Janakpuri, and the rest of Delhi.

Documents and clothing:

Keep your prescription and ID handy, along with your OPD insurance details if applicable. Wear sleeves that roll up easily.

Natural Killer Cell Marker : CD 56 Test Parameters in Delhi

Single standalone test:

Natural Killer Cell Marker : CD 56. Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a Natural Killer Cell Marker : CD 56 Test in Delhi ?

When does a doctor order Natural Killer Cell Marker : CD 56?

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.

Who should get Natural Killer Cell Marker : CD 56 done in Delhi?

Delhi's 30+ million population, India's most severe urban air pollution, one of the country's highest combined diabetes and cardiovascular disease burdens, extreme seasonal temperature range (from 3°C in January to 48°C in May), and monsoon infection risk across Dwarka, Rohini, Shahdara, and Uttam Nagar make regular preventive diagnostic testing an essential part of health management for all city residents. Natural Killer Cell Marker : CD 56 testing is important for symptomatic patients, for confirming recovery, and for household members of a confirmed case. Testing early in Delhi's fever season prevents the complications that come from treating the wrong infection.

What conditions can Natural Killer Cell Marker : CD 56 help diagnose?

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.

What do Natural Killer Cell Marker : CD 56 results mean?

Higher or positive results: CD56 is a cell-surface marker (NCAM) whose meaning depends on context. Lower or negative results: CD56 negative means the cells do not express the CD56 (NCAM) surface marker when tested by flow cytometry or immunostaining. Your doctor reads the value against the reference range on your report and your symptoms, and may repeat a borderline result to confirm it.

How often should Natural Killer Cell Marker : CD 56 be repeated?

Infection tests are ordered when symptoms are present rather than on a fixed schedule. Repeat testing may be needed to confirm recovery, to check clearance after treatment, or if fever recurs. During Delhi's monsoon fever season, prompt retesting is advised for any new febrile illness.

What happens after Natural Killer Cell Marker : CD 56 results are ready?

Book a follow-up consultation after reviewing your results. GetVisit stores your reports alongside your previous test history, so your doctor sees your full health trend, not just today's snapshot. This longitudinal context significantly improves the clinical value of each repeat test.

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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?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?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?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?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.

Can menstruation affect Natural Killer Cell Marker : CD 56 results?plus

Some tests, such as iron studies and certain hormone panels, can be influenced by your menstrual cycle. If you are on your period, mention it so your doctor can judge whether timing matters for Natural Killer Cell Marker : CD 56.

Can Natural Killer Cell Marker : CD 56 be combined with a health package?plus

Yes. Natural Killer Cell Marker : CD 56 can be booked on its own or as part of a broader preventive health package on GetVisit, which often works out more cost-effective. You can choose either option before payment.

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The report helped my doctor adjust my medication right away. Vector-borne diseases are common in Delhi during the rains. Scheduled a slot online and got an instant confirmation on WhatsApp in Saket. The team followed proper protocols throughout. Already told my family and neighbours to use GetVisit.

Jaswinder Kaur

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The GetVisit platform made it easy to pick a morning slot before office in Pitampura. The technician was gentle and my elderly father had no issues. Excellent turnaround with results by evening for a morning blood draw. Great service, especially given Delhi's busy lifestyle.

Poonam Mor

Delhi

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Had a stubborn fever and this test pinpointed the cause quickly. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Saket. Excellent turnaround with results by evening for a morning blood draw. Will definitely return for my next round of tests.

Mohd Arshad

Delhi

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GetVisit showed the prices upfront before I even selected a lab in Greater Noida. Blood draw was fast and painless. Waiting area was tidy and the staff were calm and professional. Catching this early made a real difference to my treatment. GetVisit has made health check-ups genuinely convenient in this city.

Navneet Kaur

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. GetVisit had a lab within walking distance of my sector in Vaishali. Simple blood draw, over in under two minutes. Received the report on my phone and forwarded it to my doctor immediately. Saved me time and the hassle of going to a big hospital for a routine test.

Bharat Arora

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. In and out in fifteen minutes. Reference ranges were highlighted which made it easy to read. Everything was within the normal range which was a relief. Much better than standing in line at a hospital lab.

Simran Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute on Golf Course Road. Report was delivered digitally and I saved it straight to my phone. Much better than standing in line at a hospital lab.

Revathi Krishnan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute in Laxmi Nagar. My doctor said the report was thorough and well-formatted. Already told my family and neighbours to use GetVisit.

Rajesh Yadav

Delhi

starstarstarstarstar

GetVisit had same-day slots which is not easy to find in Delhi in Mayur Vihar. Vector-borne diseases are common in Delhi during the rains. Blood draw was fast and painless. A borderline reading was caught in time. Trustworthy, professional, and convenient.

Manju Antil

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Greater Kailash. Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Everything was within the normal range which was a relief. GetVisit has made health check-ups genuinely convenient in this city.

Sana Qureshi

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Vector-borne diseases are common in Delhi during the rains. Scheduled a slot online and got an instant confirmation on WhatsApp in Saket. The team followed proper protocols throughout. Already told my family and neighbours to use GetVisit.

Jaswinder Kaur

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The GetVisit platform made it easy to pick a morning slot before office in Pitampura. The technician was gentle and my elderly father had no issues. Excellent turnaround with results by evening for a morning blood draw. Great service, especially given Delhi's busy lifestyle.

Poonam Mor

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Saket. Excellent turnaround with results by evening for a morning blood draw. Will definitely return for my next round of tests.

Mohd Arshad

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Greater Noida. Blood draw was fast and painless. Waiting area was tidy and the staff were calm and professional. Catching this early made a real difference to my treatment. GetVisit has made health check-ups genuinely convenient in this city.

Navneet Kaur

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. GetVisit had a lab within walking distance of my sector in Vaishali. Simple blood draw, over in under two minutes. Received the report on my phone and forwarded it to my doctor immediately. Saved me time and the hassle of going to a big hospital for a routine test.

Bharat Arora

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. In and out in fifteen minutes. Reference ranges were highlighted which made it easy to read. Everything was within the normal range which was a relief. Much better than standing in line at a hospital lab.

Simran Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute on Golf Course Road. Report was delivered digitally and I saved it straight to my phone. Much better than standing in line at a hospital lab.

Revathi Krishnan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute in Laxmi Nagar. My doctor said the report was thorough and well-formatted. Already told my family and neighbours to use GetVisit.

Rajesh Yadav

Delhi

starstarstarstarstar

GetVisit had same-day slots which is not easy to find in Delhi in Mayur Vihar. Vector-borne diseases are common in Delhi during the rains. Blood draw was fast and painless. A borderline reading was caught in time. Trustworthy, professional, and convenient.

Manju Antil

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Greater Kailash. Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Everything was within the normal range which was a relief. GetVisit has made health check-ups genuinely convenient in this city.

Sana Qureshi

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Vector-borne diseases are common in Delhi during the rains. Scheduled a slot online and got an instant confirmation on WhatsApp in Saket. The team followed proper protocols throughout. Already told my family and neighbours to use GetVisit.

Jaswinder Kaur

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The GetVisit platform made it easy to pick a morning slot before office in Pitampura. The technician was gentle and my elderly father had no issues. Excellent turnaround with results by evening for a morning blood draw. Great service, especially given Delhi's busy lifestyle.

Poonam Mor

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Saket. Excellent turnaround with results by evening for a morning blood draw. Will definitely return for my next round of tests.

Mohd Arshad

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Greater Noida. Blood draw was fast and painless. Waiting area was tidy and the staff were calm and professional. Catching this early made a real difference to my treatment. GetVisit has made health check-ups genuinely convenient in this city.

Navneet Kaur

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. GetVisit had a lab within walking distance of my sector in Vaishali. Simple blood draw, over in under two minutes. Received the report on my phone and forwarded it to my doctor immediately. Saved me time and the hassle of going to a big hospital for a routine test.

Bharat Arora

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. In and out in fifteen minutes. Reference ranges were highlighted which made it easy to read. Everything was within the normal range which was a relief. Much better than standing in line at a hospital lab.

Simran Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute on Golf Course Road. Report was delivered digitally and I saved it straight to my phone. Much better than standing in line at a hospital lab.

Revathi Krishnan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute in Laxmi Nagar. My doctor said the report was thorough and well-formatted. Already told my family and neighbours to use GetVisit.

Rajesh Yadav

Delhi

starstarstarstarstar

GetVisit had same-day slots which is not easy to find in Delhi in Mayur Vihar. Vector-borne diseases are common in Delhi during the rains. Blood draw was fast and painless. A borderline reading was caught in time. Trustworthy, professional, and convenient.

Manju Antil

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Greater Kailash. Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Everything was within the normal range which was a relief. GetVisit has made health check-ups genuinely convenient in this city.

Sana Qureshi

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Vector-borne diseases are common in Delhi during the rains. Scheduled a slot online and got an instant confirmation on WhatsApp in Saket. The team followed proper protocols throughout. Already told my family and neighbours to use GetVisit.

Jaswinder Kaur

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The GetVisit platform made it easy to pick a morning slot before office in Pitampura. The technician was gentle and my elderly father had no issues. Excellent turnaround with results by evening for a morning blood draw. Great service, especially given Delhi's busy lifestyle.

Poonam Mor

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Saket. Excellent turnaround with results by evening for a morning blood draw. Will definitely return for my next round of tests.

Mohd Arshad

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Greater Noida. Blood draw was fast and painless. Waiting area was tidy and the staff were calm and professional. Catching this early made a real difference to my treatment. GetVisit has made health check-ups genuinely convenient in this city.

Navneet Kaur

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. GetVisit had a lab within walking distance of my sector in Vaishali. Simple blood draw, over in under two minutes. Received the report on my phone and forwarded it to my doctor immediately. Saved me time and the hassle of going to a big hospital for a routine test.

Bharat Arora

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. In and out in fifteen minutes. Reference ranges were highlighted which made it easy to read. Everything was within the normal range which was a relief. Much better than standing in line at a hospital lab.

Simran Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute on Golf Course Road. Report was delivered digitally and I saved it straight to my phone. Much better than standing in line at a hospital lab.

Revathi Krishnan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Booked a 7 AM slot before my Metro commute in Laxmi Nagar. My doctor said the report was thorough and well-formatted. Already told my family and neighbours to use GetVisit.

Rajesh Yadav

Delhi

starstarstarstarstar

GetVisit had same-day slots which is not easy to find in Delhi in Mayur Vihar. Vector-borne diseases are common in Delhi during the rains. Blood draw was fast and painless. A borderline reading was caught in time. Trustworthy, professional, and convenient.

Manju Antil

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Greater Kailash. Had a stubborn fever and this test pinpointed the cause quickly. Quick blood test, nothing to stress about. Everything was within the normal range which was a relief. GetVisit has made health check-ups genuinely convenient in this city.

Sana Qureshi

Delhi