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Natural Killer B Cell, in Delhi

Natural Killer B Cell in Saket, Delhi: This test measures the numbers and types of two important immune cells: natural killer (NK) cells and B cells. Book with GetVisit for NABL-accredited results, same-day slots, home collection and cashless OPD.

centreCentre Visit
SAMPLE TYPE
Blood
FASTING REQUIRED
No
GENDER
Male/Female
GET REPORTS IN
24 hours
TEST INCLUDED
1
customers
20K+Customers
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CertifiedLabs
rating
4.5+Rating
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ProvenAccuracy

What is a Natural Killer B Cell Test in Delhi ?

What is Natural Killer B Cell?

This test measures the numbers and types of two important immune cells: natural killer (NK) cells and B cells. NK cells help control viral infections and cancer by killing 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 B Cell measure?

B cells make antibodies that fight bacteria and viruses. Measuring them shows how well the immune system is working. Abnormal results can point to immune deficiencies, autoimmune disease, blood cancers, or active infections. Doctors use this test when people have repeated infections, unexplained fever, swollen lymph nodes, or abnormal blood counts.

What symptoms suggest Natural Killer B Cell may be needed?

A doctor may recommend Natural Killer B Cell 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. GetVisit makes testing convenient in Delhi, with lab slots and home collection in Preet Vihar, Mayur Vihar, and nearby areas.

How is Natural Killer B Cell performed?

GetVisit home collection in Preet Vihar or Mayur Vihar, Delhi: a certified phlebotomist arrives at your address at your chosen slot (available from 6:00 AM), brings all sterile single-use equipment, draws the sample, and dispatches it to the NABL-accredited lab. Your digital report is delivered to your GetVisit profile the same day for most standard blood tests.

How accurate is Natural Killer B Cell?

Every GetVisit sample from Preet Vihar, Mayur Vihar, 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 Natural Killer B Cell?

Beyond a brief pinch, Natural Killer B Cell carries almost no risk. Keep the arm relaxed during the draw, press gently on the site afterwards, and avoid heavy lifting with that arm for about an hour.

Did you know?

An example of a natural killer (NK) cell is the circulating CD56dimCD16+ NK lymphocyte.

Natural Killer B Cell Test Preparation in Delhi

Diet and fasting:

Eat and drink as you normally would; fasting is not required. Try to avoid a very fatty meal or alcohol right before the appointment.

What to carry:

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

Medication guidance:

Unless your physician advises a change, keep taking your usual prescriptions as normal.

When to book:

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

Natural Killer B Cell Test Parameters in Delhi

Single standalone test:

Natural Killer B Cell. Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a Natural Killer B Cell Test in Delhi ?

When does a doctor order Natural Killer B Cell?

Natural Killer B Cell is often part of a lymphocyte subset or immune panel used to check immune health. Doctors order it for recurrent infections, unexplained fevers, swollen lymph nodes, or abnormal blood tests.

Who should get Natural Killer B Cell 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 Natural Killer B Cell testing, as do travellers returning from endemic areas and people caring for someone already infected. Residents of Vasant Kunj, Karol Bagh, and flood-prone localities face higher seasonal exposure to mosquito- and water-borne infections.

What conditions can Natural Killer B Cell help diagnose?

It helps diagnose immune deficiency, autoimmune conditions, and some blood cancers, and it monitors therapy or transplant recovery. Abnormal results may come from infections, medications, immune diseases, or inherited problems, and family history of immune disorders can prompt testing.

What do Natural Killer B Cell results mean?

Your result is read against the reference range printed on your GetVisit report for your age and sex, and always alongside your symptoms and history. A single value slightly outside the range does not by itself confirm a problem, your doctor decides whether it is significant. The specific high and low patterns for this test are explained in the FAQs below.

How often should Natural Killer B Cell 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 B Cell results are ready?

Once your results appear in your GetVisit profile, discuss them with your doctor or a GetVisit-verified specialist. Your doctor will interpret each value in the context of your full health history, current medications, and symptoms, and advise on the next step: lifestyle change, repeat testing, medication adjustment, or specialist referral. All GetVisit reports are stored permanently and can be shared with any doctor instantly.

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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

Are natural killer cells B cells?plus

Natural killer (NK) cells are lymphocytes but are not B cells. Unlike B cells, which are adaptive immune cells that produce antibodies and have antigen-specific receptors, NK cells belong to the innate immune system and kill virus-infected or tumor cells directly using cytotoxic granules and activating/inhibitory receptors. They do not produce antibodies or form memory in the same way B cells do.

What is an example of a natural killer cell?plus

An example of a natural killer (NK) cell is the circulating CD56dimCD16+ NK lymphocyte. These CD3−, CD56+ cells make up the majority of peripheral blood NK cells, are highly cytotoxic, and rapidly destroy virus‑infected or tumor cells without prior sensitization. Another example is the tissue‑resident CD56brightCD16− NK subset, which produces cytokines and helps regulate immune responses.

Why is it called a natural killer cell?plus

Natural killer (NK) cells are named because they are innate lymphocytes that can recognize and kill infected or tumor cells without prior sensitization ("natural"), and they directly induce target-cell death ("killer") using mechanisms such as perforin/granzyme release, death-receptor signals, and cytokine secretion. Their activity is regulated by a balance of activating and inhibitory receptors sensing stress, missing self, or abnormal ligands.

What kills B cells?plus

B cells are killed or depleted by targeted therapies (anti‑CD20 antibodies like rituximab, anti‑CD19 CAR‑T causing B‑cell aplasia), cytotoxic chemotherapy and radiotherapy, high‑dose steroids and other immunosuppressants, severe infections or sepsis, bone marrow failure and congenital immunodeficiencies, and age‑related apoptosis. Some viral infections can infect or dysregulate B cells, leading to loss of function or cell death.

Can Natural Killer B Cell be combined with a health package?plus

Yes. Natural Killer B Cell 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.

Can menstruation affect Natural Killer B Cell 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 B Cell.

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Vector-borne diseases are common in Delhi during the rains. A colleague recommended GetVisit and the booking was very simple in Uttam Nagar. The staff at the collection centre were professional and made me comfortable. My doctor said the report was thorough and well-formatted. Much better than standing in line at a hospital lab.

Shakeel Ahmed

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Vaishali. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. No complaints at all. Smooth experience from start to finish.

Pankaj Chauhan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Report was delivered digitally and I saved it straight to my phone. Compared labs on GetVisit and picked the one nearest to my house in GK-1. In and out in fifteen minutes. Trustworthy, professional, and convenient.

Gaurav Agarwal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Waiting area was tidy and the staff were calm and professional. Got the digital report faster than expected. The test confirmed exactly what my doctor had suspected. Already recommended this to three people in my RWA.

Pooja Rani

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The report arrived with all parameters clearly listed. GetVisit showed the prices upfront before I even selected a lab in Gurugram. Waiting area was tidy and the staff were calm and professional. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

A borderline reading was caught in time. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Used GetVisit for the first time and the booking was genuinely straightforward in Rajouri Garden. The staff explained each step before proceeding. Saved me time and the hassle of going to a big hospital for a routine test.

Lakshmi Menon

Delhi

starstarstarstarstar

GetVisit listed several accredited labs near me so I could pick the best in Karol Bagh. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Everything was within the normal range which was a relief. Five stars. Everything went smoothly.

Kulwinder 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 near my office in Gurugram. Arrived and was attended to within ten minutes. Simple blood draw, over in under two minutes. The report gave my specialist all the data needed to make a confident call. Much better than standing in line at a hospital lab.

Hemant Negi

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. No long queues and no confusion. Received the report on my phone and forwarded it to my doctor immediately. A borderline reading was caught in time. Will book through GetVisit next time without a second thought.

Navjot Singh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Pitampura. Reports came on WhatsApp and email well within the promised time. GetVisit has made health check-ups genuinely convenient in this city.

Anita Fernandez

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. A colleague recommended GetVisit and the booking was very simple in Uttam Nagar. The staff at the collection centre were professional and made me comfortable. My doctor said the report was thorough and well-formatted. Much better than standing in line at a hospital lab.

Shakeel Ahmed

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Vaishali. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. No complaints at all. Smooth experience from start to finish.

Pankaj Chauhan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Report was delivered digitally and I saved it straight to my phone. Compared labs on GetVisit and picked the one nearest to my house in GK-1. In and out in fifteen minutes. Trustworthy, professional, and convenient.

Gaurav Agarwal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Waiting area was tidy and the staff were calm and professional. Got the digital report faster than expected. The test confirmed exactly what my doctor had suspected. Already recommended this to three people in my RWA.

Pooja Rani

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The report arrived with all parameters clearly listed. GetVisit showed the prices upfront before I even selected a lab in Gurugram. Waiting area was tidy and the staff were calm and professional. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

A borderline reading was caught in time. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Used GetVisit for the first time and the booking was genuinely straightforward in Rajouri Garden. The staff explained each step before proceeding. Saved me time and the hassle of going to a big hospital for a routine test.

Lakshmi Menon

Delhi

starstarstarstarstar

GetVisit listed several accredited labs near me so I could pick the best in Karol Bagh. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Everything was within the normal range which was a relief. Five stars. Everything went smoothly.

Kulwinder 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 near my office in Gurugram. Arrived and was attended to within ten minutes. Simple blood draw, over in under two minutes. The report gave my specialist all the data needed to make a confident call. Much better than standing in line at a hospital lab.

Hemant Negi

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. No long queues and no confusion. Received the report on my phone and forwarded it to my doctor immediately. A borderline reading was caught in time. Will book through GetVisit next time without a second thought.

Navjot Singh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Pitampura. Reports came on WhatsApp and email well within the promised time. GetVisit has made health check-ups genuinely convenient in this city.

Anita Fernandez

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. A colleague recommended GetVisit and the booking was very simple in Uttam Nagar. The staff at the collection centre were professional and made me comfortable. My doctor said the report was thorough and well-formatted. Much better than standing in line at a hospital lab.

Shakeel Ahmed

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Vaishali. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. No complaints at all. Smooth experience from start to finish.

Pankaj Chauhan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Report was delivered digitally and I saved it straight to my phone. Compared labs on GetVisit and picked the one nearest to my house in GK-1. In and out in fifteen minutes. Trustworthy, professional, and convenient.

Gaurav Agarwal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Waiting area was tidy and the staff were calm and professional. Got the digital report faster than expected. The test confirmed exactly what my doctor had suspected. Already recommended this to three people in my RWA.

Pooja Rani

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The report arrived with all parameters clearly listed. GetVisit showed the prices upfront before I even selected a lab in Gurugram. Waiting area was tidy and the staff were calm and professional. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

A borderline reading was caught in time. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Used GetVisit for the first time and the booking was genuinely straightforward in Rajouri Garden. The staff explained each step before proceeding. Saved me time and the hassle of going to a big hospital for a routine test.

Lakshmi Menon

Delhi

starstarstarstarstar

GetVisit listed several accredited labs near me so I could pick the best in Karol Bagh. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Everything was within the normal range which was a relief. Five stars. Everything went smoothly.

Kulwinder 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 near my office in Gurugram. Arrived and was attended to within ten minutes. Simple blood draw, over in under two minutes. The report gave my specialist all the data needed to make a confident call. Much better than standing in line at a hospital lab.

Hemant Negi

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. No long queues and no confusion. Received the report on my phone and forwarded it to my doctor immediately. A borderline reading was caught in time. Will book through GetVisit next time without a second thought.

Navjot Singh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Pitampura. Reports came on WhatsApp and email well within the promised time. GetVisit has made health check-ups genuinely convenient in this city.

Anita Fernandez

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. A colleague recommended GetVisit and the booking was very simple in Uttam Nagar. The staff at the collection centre were professional and made me comfortable. My doctor said the report was thorough and well-formatted. Much better than standing in line at a hospital lab.

Shakeel Ahmed

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Vaishali. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. No complaints at all. Smooth experience from start to finish.

Pankaj Chauhan

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Report was delivered digitally and I saved it straight to my phone. Compared labs on GetVisit and picked the one nearest to my house in GK-1. In and out in fifteen minutes. Trustworthy, professional, and convenient.

Gaurav Agarwal

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. Waiting area was tidy and the staff were calm and professional. Got the digital report faster than expected. The test confirmed exactly what my doctor had suspected. Already recommended this to three people in my RWA.

Pooja Rani

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The report arrived with all parameters clearly listed. GetVisit showed the prices upfront before I even selected a lab in Gurugram. Waiting area was tidy and the staff were calm and professional. Will book through GetVisit next time without a second thought.

Ishaan Mehta

Delhi

starstarstarstarstar

A borderline reading was caught in time. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Used GetVisit for the first time and the booking was genuinely straightforward in Rajouri Garden. The staff explained each step before proceeding. Saved me time and the hassle of going to a big hospital for a routine test.

Lakshmi Menon

Delhi

starstarstarstarstar

GetVisit listed several accredited labs near me so I could pick the best in Karol Bagh. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Everything was within the normal range which was a relief. Five stars. Everything went smoothly.

Kulwinder 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 near my office in Gurugram. Arrived and was attended to within ten minutes. Simple blood draw, over in under two minutes. The report gave my specialist all the data needed to make a confident call. Much better than standing in line at a hospital lab.

Hemant Negi

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. No long queues and no confusion. Received the report on my phone and forwarded it to my doctor immediately. A borderline reading was caught in time. Will book through GetVisit next time without a second thought.

Navjot Singh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. GetVisit showed the prices upfront before I even selected a lab in Pitampura. Reports came on WhatsApp and email well within the promised time. GetVisit has made health check-ups genuinely convenient in this city.

Anita Fernandez

Delhi