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CD56 (Natural Killer Cells), in Delhi

CD56 (Natural Killer Cells) in South Extension, Delhi: The CD56 (Natural Killer Cells) test measures the number and proportion of white blood cells that carry the CD56 marker. Book with GetVisit for NABL-accredited results, same-day slots, home collection and cashless OPD.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
GENDER
Male/Female
GET REPORTS IN
25 hours
TEST INCLUDED
1
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20K+Customers
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CertifiedLabs
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4.5+Rating
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What is a CD56 (Natural Killer Cells) Test in Delhi ?

What is CD56 (Natural Killer Cells)?

The CD56 (Natural Killer Cells) test measures the number and proportion of white blood cells that carry the CD56 marker. These CD56-positive cells are natural killer (NK) cells. Accurate organism identification is clinically essential , typhoid, dengue, and malaria each require different treatment, and the wrong empirical approach delays recovery.

What does CD56 (Natural Killer Cells) measure?

NK cells are part of the innate immune system. They help control viral infections and can destroy abnormal or cancerous cells. Measuring CD56 helps detect immune deficiencies, monitor some blood cancers, and follow immune treatments. Doctors use it with other blood and immune tests to investigate recurrent infections, unexplained fevers, or abnormal blood counts.

What symptoms suggest CD56 (Natural Killer Cells) may be needed?

A doctor may recommend CD56 (Natural Killer Cells) 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. In Delhi, you can book this test online with home collection available in Karol Bagh, Rohini, and beyond.

How is CD56 (Natural Killer Cells) performed?

You can have the sample for CD56 (Natural Killer Cells) taken at home in Karol Bagh or Rohini, Delhi, or at a partner lab. The phlebotomist draws a small amount of blood, applies a cotton swab with light pressure, and dispatches the sample to the NABL-accredited lab the same day.

How accurate is CD56 (Natural Killer Cells)?

Every GetVisit sample from Karol Bagh, Rohini, and across Delhi is processed at NABL-accredited labs that use internationally calibrated reference standards, pass external quality assessments, and maintain internal quality control at every shift. Reports are accepted by all major hospital networks, specialists, and insurance providers in India.

Are there any risks to CD56 (Natural Killer Cells)?

A blood draw for CD56 (Natural Killer Cells) is very safe. Occasionally there is minor bruising or light-headedness; sitting for a couple of minutes afterwards at the Karol Bagh or Rohini, Delhi collection point usually prevents this.

Did you know?

CD56 marks human natural killer (NK) cells, which provide innate immune surveillance.

CD56 (Natural Killer Cells) 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:

Fasting is not necessary for this test. Drinking water freely beforehand actually makes sample collection easier.

Booking your slot:

Choose a morning slot for the most consistent results. Same-day home collection is offered throughout Delhi, Shahdara and Paschim Vihar included.

Documents and clothing:

Have your doctor's referral and photo ID ready; earlier reports for the same test are useful for tracking trends.

CD56 (Natural Killer Cells) Test Parameters in Delhi

Single standalone test:

CD56 (Natural Killer Cells). Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a CD56 (Natural Killer Cells) Test in Delhi ?

When does a doctor order CD56 (Natural Killer Cells)?

CD56 (Natural Killer Cells) is often ordered as part of an immune panel or flow cytometry profile. Doctors may request it when a patient has recurrent or severe infections, unexplained fevers, abnormal blood counts, or suspected immune or blood cancers.

Who should get CD56 (Natural Killer Cells) 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. Anyone with fever or flu-like illness in Delhi, especially during and after the monsoon, benefits from prompt CD56 (Natural Killer Cells) testing, as do travellers returning from endemic areas and people caring for someone already infected. Residents of Lajpat Nagar, Dilshad Garden, and flood-prone localities face higher seasonal exposure to mosquito- and water-borne infections.

What conditions can CD56 (Natural Killer Cells) help diagnose?

Abnormal results can be caused by viral infections, autoimmune disease, bone marrow disorders, cancer, or medications like steroids and chemotherapy. A family history of immune disorders may prompt testing.

What do CD56 (Natural Killer Cells) results mean?

Higher or positive results: Tumors positive for CD56 (NCAM) include neuroendocrine neoplasms , small cell lung carcinoma, carcinoid tumors, medullary thyroid carcinoma, neuroblastoma, and Merkel cell carcinoma; hematologic malignancies , NK‑cell and NK/T‑cell lymphomas and many multiple myelomas; and some acute myeloid leukemias. 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 CD56 (Natural Killer Cells) 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 CD56 (Natural Killer Cells) results are ready?

Reports arrive digitally and remain in your GetVisit history, so repeat tests can be tracked over months and years. Review anything unexpected with your doctor before changing medication or lifestyle, and use the app to book a follow-up if needed.

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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 do CD56 NK cells do?plus

CD56 marks human natural killer (NK) cells, which provide innate immune surveillance. CD56bright NK cells, mainly in lymphoid tissues, secrete cytokines (IFN-γ, TNF) to regulate immune responses. CD56dim NK cells, predominant in blood, are highly cytotoxic, killing virus-infected and tumor cells via perforin/granzymes and antibody-dependent cellular cytotoxicity. NKs also shape adaptive immunity and respond rapidly without prior sensitization.

What tumors are positive for CD56?plus

Tumors positive for CD56 (NCAM) include neuroendocrine neoplasms , small cell lung carcinoma, carcinoid tumors, medullary thyroid carcinoma, neuroblastoma, and Merkel cell carcinoma; hematologic malignancies , NK‑cell and NK/T‑cell lymphomas and many multiple myelomas; and some acute myeloid leukemias. CD56 is a neural/neuroendocrine and NK‑cell marker, so expression is seen in tumors of those lineages.

What does a positive CD56 mean?plus

CD56 positivity means cells express the CD56 (NCAM) surface marker, commonly identifying natural killer (NK) cells and some T‑cell subsets. In clinical testing, CD56+ can indicate an NK‑cell population or abnormal expression seen in certain hematologic malignancies (some leukemias/lymphomas) and neuroendocrine tumors. Interpretation depends on cell type and other markers; clinical correlation and further testing are needed.

What is CD56 also known as?plus

CD56 is the cluster-of-differentiation name for the neural cell adhesion molecule (NCAM, also called NCAM1), a cell-surface glycoprotein involved in adhesion, migration and signaling. It’s expressed on natural killer (NK) cells, subsets of T cells and neuronal tissues. NCAM has multiple isoforms (e.g. 120, 140, 180 kDa) important in neural development and immune recognition.

Can I drink coffee or tea before CD56 (Natural Killer Cells)?plus

If CD56 (Natural Killer Cells) needs fasting, avoid tea and coffee (even without sugar) during the fasting window, as they can affect some results; plain water is fine. If no fasting is required, your usual drinks are okay.

Can CD56 (Natural Killer Cells) be combined with a health package?plus

Yes. CD56 (Natural Killer Cells) 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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starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. Used GetVisit for the first time and the booking was genuinely straightforward in Vaishali. The technician was gentle and my elderly father had no issues. Will definitely return for my next round of tests.

Gurpreet Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Excellent turnaround with results by evening for a morning blood draw. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Gurugram. The technician was gentle and my elderly father had no issues. Much better than standing in line at a hospital lab.

Dhruv Kapoor

Delhi

starstarstarstarstar

In and out in fifteen minutes. Had a stubborn fever and this test pinpointed the cause quickly. Compared labs on GetVisit and picked the one nearest to my house in Greater Kailash. The report arrived with all parameters clearly listed. Much better than standing in line at a hospital lab.

Maninder Singh

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Ghaziabad, GetVisit makes it easy to find and book one. Vector-borne diseases are common in Delhi during the rains. The phlebotomist was skilled and the draw was quick and painless. The report was detailed with reference ranges clearly marked. Saved me time and the hassle of going to a big hospital for a routine test.

Chirag Bansal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked online through GetVisit with no phone calls required near Lajpat Nagar Metro. The team followed proper protocols throughout. Simple blood draw, over in under two minutes. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Booked online through GetVisit with no phone calls required in Rajouri Garden. Arrived and was attended to within ten minutes. My doctor said the report was thorough and well-formatted. Trustworthy, professional, and convenient.

Ameena Akram

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked a 7 AM slot before my Metro commute in Lajpat Nagar. In and out in fifteen minutes. My doctor said the report was thorough and well-formatted. Will book through GetVisit next time without a second thought.

Rekha Kumar

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Got the digital report faster than expected. GetVisit listed several accredited labs near me so I could pick the best in GK-1. The collection centre was clean, well-lit, and properly organised. Great service, especially given Delhi's busy lifestyle.

Sanjay Dahiya

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. GetVisit listed several accredited labs near me so I could pick the best in Civil Lines. Everything was hygienic and done efficiently. Trustworthy, professional, and convenient.

Simran Kaur

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Blood draw was fast and painless. Booked online through GetVisit with no phone calls required in Dwarka Sector 10. Reports came on WhatsApp and email well within the promised time. Much better than standing in line at a hospital lab.

Arun Pandey

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. Used GetVisit for the first time and the booking was genuinely straightforward in Vaishali. The technician was gentle and my elderly father had no issues. Will definitely return for my next round of tests.

Gurpreet Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Excellent turnaround with results by evening for a morning blood draw. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Gurugram. The technician was gentle and my elderly father had no issues. Much better than standing in line at a hospital lab.

Dhruv Kapoor

Delhi

starstarstarstarstar

In and out in fifteen minutes. Had a stubborn fever and this test pinpointed the cause quickly. Compared labs on GetVisit and picked the one nearest to my house in Greater Kailash. The report arrived with all parameters clearly listed. Much better than standing in line at a hospital lab.

Maninder Singh

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Ghaziabad, GetVisit makes it easy to find and book one. Vector-borne diseases are common in Delhi during the rains. The phlebotomist was skilled and the draw was quick and painless. The report was detailed with reference ranges clearly marked. Saved me time and the hassle of going to a big hospital for a routine test.

Chirag Bansal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked online through GetVisit with no phone calls required near Lajpat Nagar Metro. The team followed proper protocols throughout. Simple blood draw, over in under two minutes. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Booked online through GetVisit with no phone calls required in Rajouri Garden. Arrived and was attended to within ten minutes. My doctor said the report was thorough and well-formatted. Trustworthy, professional, and convenient.

Ameena Akram

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked a 7 AM slot before my Metro commute in Lajpat Nagar. In and out in fifteen minutes. My doctor said the report was thorough and well-formatted. Will book through GetVisit next time without a second thought.

Rekha Kumar

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Got the digital report faster than expected. GetVisit listed several accredited labs near me so I could pick the best in GK-1. The collection centre was clean, well-lit, and properly organised. Great service, especially given Delhi's busy lifestyle.

Sanjay Dahiya

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. GetVisit listed several accredited labs near me so I could pick the best in Civil Lines. Everything was hygienic and done efficiently. Trustworthy, professional, and convenient.

Simran Kaur

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Blood draw was fast and painless. Booked online through GetVisit with no phone calls required in Dwarka Sector 10. Reports came on WhatsApp and email well within the promised time. Much better than standing in line at a hospital lab.

Arun Pandey

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. Used GetVisit for the first time and the booking was genuinely straightforward in Vaishali. The technician was gentle and my elderly father had no issues. Will definitely return for my next round of tests.

Gurpreet Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Excellent turnaround with results by evening for a morning blood draw. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Gurugram. The technician was gentle and my elderly father had no issues. Much better than standing in line at a hospital lab.

Dhruv Kapoor

Delhi

starstarstarstarstar

In and out in fifteen minutes. Had a stubborn fever and this test pinpointed the cause quickly. Compared labs on GetVisit and picked the one nearest to my house in Greater Kailash. The report arrived with all parameters clearly listed. Much better than standing in line at a hospital lab.

Maninder Singh

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Ghaziabad, GetVisit makes it easy to find and book one. Vector-borne diseases are common in Delhi during the rains. The phlebotomist was skilled and the draw was quick and painless. The report was detailed with reference ranges clearly marked. Saved me time and the hassle of going to a big hospital for a routine test.

Chirag Bansal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked online through GetVisit with no phone calls required near Lajpat Nagar Metro. The team followed proper protocols throughout. Simple blood draw, over in under two minutes. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Booked online through GetVisit with no phone calls required in Rajouri Garden. Arrived and was attended to within ten minutes. My doctor said the report was thorough and well-formatted. Trustworthy, professional, and convenient.

Ameena Akram

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked a 7 AM slot before my Metro commute in Lajpat Nagar. In and out in fifteen minutes. My doctor said the report was thorough and well-formatted. Will book through GetVisit next time without a second thought.

Rekha Kumar

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Got the digital report faster than expected. GetVisit listed several accredited labs near me so I could pick the best in GK-1. The collection centre was clean, well-lit, and properly organised. Great service, especially given Delhi's busy lifestyle.

Sanjay Dahiya

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. GetVisit listed several accredited labs near me so I could pick the best in Civil Lines. Everything was hygienic and done efficiently. Trustworthy, professional, and convenient.

Simran Kaur

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Blood draw was fast and painless. Booked online through GetVisit with no phone calls required in Dwarka Sector 10. Reports came on WhatsApp and email well within the promised time. Much better than standing in line at a hospital lab.

Arun Pandey

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. Used GetVisit for the first time and the booking was genuinely straightforward in Vaishali. The technician was gentle and my elderly father had no issues. Will definitely return for my next round of tests.

Gurpreet Kaur

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Excellent turnaround with results by evening for a morning blood draw. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Gurugram. The technician was gentle and my elderly father had no issues. Much better than standing in line at a hospital lab.

Dhruv Kapoor

Delhi

starstarstarstarstar

In and out in fifteen minutes. Had a stubborn fever and this test pinpointed the cause quickly. Compared labs on GetVisit and picked the one nearest to my house in Greater Kailash. The report arrived with all parameters clearly listed. Much better than standing in line at a hospital lab.

Maninder Singh

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Ghaziabad, GetVisit makes it easy to find and book one. Vector-borne diseases are common in Delhi during the rains. The phlebotomist was skilled and the draw was quick and painless. The report was detailed with reference ranges clearly marked. Saved me time and the hassle of going to a big hospital for a routine test.

Chirag Bansal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked online through GetVisit with no phone calls required near Lajpat Nagar Metro. The team followed proper protocols throughout. Simple blood draw, over in under two minutes. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Booked online through GetVisit with no phone calls required in Rajouri Garden. Arrived and was attended to within ten minutes. My doctor said the report was thorough and well-formatted. Trustworthy, professional, and convenient.

Ameena Akram

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Booked a 7 AM slot before my Metro commute in Lajpat Nagar. In and out in fifteen minutes. My doctor said the report was thorough and well-formatted. Will book through GetVisit next time without a second thought.

Rekha Kumar

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Got the digital report faster than expected. GetVisit listed several accredited labs near me so I could pick the best in GK-1. The collection centre was clean, well-lit, and properly organised. Great service, especially given Delhi's busy lifestyle.

Sanjay Dahiya

Delhi

starstarstarstarstar

A borderline reading was caught in time. My child had recurrent fevers and this test finally gave us a clear answer. GetVisit listed several accredited labs near me so I could pick the best in Civil Lines. Everything was hygienic and done efficiently. Trustworthy, professional, and convenient.

Simran Kaur

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Blood draw was fast and painless. Booked online through GetVisit with no phone calls required in Dwarka Sector 10. Reports came on WhatsApp and email well within the promised time. Much better than standing in line at a hospital lab.

Arun Pandey

Delhi