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CD56 (Natural Killer Cells), in Bengaluru

Get CD56 (Natural Killer Cells) done in Yelahanka, Bengaluru with GetVisit. The CD56 (Natural Killer Cells) test measures the number and proportion of white blood cells that carry the CD56 marker. Verified infectious disease specialist, home collection, and same-day digital reports across HSR Layout and the city.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
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Male/Female
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25 hours
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1
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What is a CD56 (Natural Killer Cells) Test in Bengaluru ?

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. GetVisit makes testing convenient in Bengaluru, with lab slots and home collection in Electronic City, BTM Layout, and nearby areas.

How is CD56 (Natural Killer Cells) performed?

For CD56 (Natural Killer Cells), a GetVisit phlebotomist in Electronic City or BTM Layout, Bengaluru applies a soft tourniquet, disinfects the site, and collects a small blood sample into a vacuum tube. The visit takes only a few minutes and you can return to your day straight away.

How accurate is CD56 (Natural Killer Cells)?

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

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

Risks are minimal. Some people notice a small bruise or brief soreness at the needle site, which settles within a day or two. Serious problems such as infection are very rare when sterile, single-use equipment is used, as it is at every GetVisit collection in Electronic City and BTM Layout, Bengaluru.

Did you know?

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

CD56 (Natural Killer Cells) Test Preparation in Bengaluru

Fasting instructions:

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.

Managing medication:

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

What to bring along:

Carry your test requisition, a government-issued ID, and any previous reports so results can be compared over time.

Timing:

An early slot works best, especially for fasting tests. Home collection is available across Malleshwaram, Kengeri, and the rest of Bengaluru.

CD56 (Natural Killer Cells) Test Parameters in Bengaluru

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 Bengaluru ?

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 Bengaluru?

Bengaluru's 12 million metropolitan population, year-round dengue risk, rising NAFLD and diabetes burden among its massive IT workforce, and rapidly growing outer areas with variable water quality make regular preventive diagnostic testing an important part of health management for residents across every neighbourhood. Anyone with fever or flu-like illness in Bengaluru, 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 Indiranagar, HSR Layout, 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 Bengaluru'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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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 take my diabetes medication before CD56 (Natural Killer Cells)?plus

If you take insulin or diabetes tablets and are fasting for CD56 (Natural Killer Cells), ask your doctor whether to delay the dose until after the sample is collected, to avoid a low-sugar episode.

Can I exercise before CD56 (Natural Killer Cells)?plus

Avoid strenuous exercise for 12 to 24 hours before CD56 (Natural Killer Cells), since intense activity can temporarily change several blood markers. Light everyday movement is fine.

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Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.

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