5,000+
Hospitals/Clinics
India's most trusted health centres
Optional 'You Book, Visit Pays' feature
Cashless coverage from metro to rural
Natural Killer Cell Marker : CD 56

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.
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.
Search by test names and add it to your cart

Choose your preferred labs from top trusted partners

Select a convenient date and time for your test

Make payment and get confirmation within 2 hours

For any unanswered questions, reach out to our support team via email. We will assist you as soon as possible
Visit Health Experience
End-to-end care delivered at the right time through our nationwide network
India's most trusted health centres
Optional 'You Book, Visit Pays' feature
Cashless coverage from metro to rural

Priority access & same-day care
Cashless in 1250+ cities
Custom doctor onboarding

NABL-accredited labs
Hassle-free sample collection
Seamless report & prescription tracking

Home delivery & store pickup options
End-to-end order tracking
Auto-refills for regular medications

Your Care, Our Commitment!
More than 12,000 people trust us with their health
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.