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CD3 (Natural Killer Cells)

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CD3 (Natural Killer Cells), in Bangalore

Measures T‑cell marker CD3 and evaluates natural killer cell levels to assess immune system strength and balance.

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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
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4.5+Rating
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ProvenAccuracy

What is a CD3 (Natural Killer Cells) Test in Bangalore ?

This test measures CD3, a protein found on most T lymphocytes, and also assesses natural killer (NK) cells as part of an immune cell check. CD3 marks T cells that coordinate immune responses. NK cells help destroy infected or abnormal cells. Measuring these cells shows how well your immune system is working. Doctors use results to detect immune deficiency, monitor HIV or chemotherapy effects, evaluate autoimmune disease, or look for blood cancers. Low or high counts can come from infections, medications, bone marrow problems, or inherited immune disorders. The test is done from a blood sample.

CD3 (Natural Killer Cells) Test Preparation in Bangalore

No special preparation is required.

CD3 (Natural Killer Cells) Test Parameters in Bangalore

The CD3 (Natural Killer Cells) test evaluates various parameters related to the different components. Here are the main parameters that are checked in the test:

  • Single test

Why Take a CD3 (Natural Killer Cells) Test in Bangalore ?

CD3 (NATURAL KILLER CELLS) is usually part of a lymphocyte subset panel that checks T cells and NK cells. Doctors order it for recurring infections, unexplained fatigue, abnormal blood counts, or to monitor HIV, chemotherapy, or immune-suppressing drugs. It helps diagnose immune deficiencies, blood cancers, and autoimmune disease. Abnormal results may come from infections, medications, bone marrow disorders, or inherited immune problems, especially with family history.

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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 NK cells positive for CD3 in Bangalore?plus

Natural killer (NK) cells are typically CD3‑negative; CD3 is a T‑cell receptor complex not expressed on conventional NK cells. Human NK cells commonly express CD56 and CD16 instead. However, a distinct population called NKT cells co‑express T‑cell markers (including CD3) and NK markers — these are immunologically different from classic CD3‑negative NK cells.

Does NK have CD3 in Bangalore?plus

Natural killer (NK) cells do not express CD3; they are CD3-negative innate lymphocytes. Human NK cells are typically CD56+ and may express CD16, but they lack the T-cell receptor–CD3 complex used by T lymphocytes. A distinct population, invariant NKT cells, co-express T-cell markers including CD3 and NK markers, but conventional NK cells remain CD3−.

Which cells are known as natural killer cells in Bangalore?plus

Natural killer (NK) cells are a type of large granular lymphocyte of the innate immune system that develop in bone marrow. They kill virus-infected and cancerous cells without prior sensitization by recognizing stressed cells or missing MHC I. NK cells use perforin and granzymes to induce target-cell death and secrete cytokines like interferon-gamma to modulate immune responses.

What are CD3+ CD56+ cells in Bangalore?plus

CD3+ CD56+ cells are T lymphocytes that also express the NK-cell marker CD56 (often called NKT-like or NK-like T cells). They combine T-cell antigen recognition with innate-like cytotoxicity and rapid cytokine release, bridging adaptive and innate immunity. Present in blood and tissues, they participate in antiviral and antitumor responses and can be altered in infections, cancer, and autoimmune conditions.

What if CD3 is positive in Bangalore?plus

If CD3 is positive, it indicates the presence of T lymphocytes—CD3 is a pan–T‑cell marker. This often reflects normal or reactive T‑cell populations; however, unusual patterns or aberrant co‑expression with other markers may suggest T‑cell malignancy. Results must be interpreted with CD4/CD8/CD20 and clinical context; further clonality/genetic testing and hematology referral may be needed.

What is the marker for NK cells in tumors in Bangalore?plus

The primary marker used to identify natural killer (NK) cells in tumors is CD56 (NCAM), typically expressed alongside absence of CD3 (CD56+ CD3−). Many NK cells also express CD16 (FcγRIII). Additional NK lineage/activation markers include NKp46 (NCR1), NKG2D and CD57, which help distinguish subsets and activation state within the tumor microenvironment. These markers guide immunophenotyping and research.

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My child's school reported an outbreak and the paediatrician ordered CD3 (NATURAL KILLER CELLS) as a precaution. GetVisit in Sarjapur, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Devendra Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. I've been using GetVisit in BTM Layout, Bengaluru and would highly recommend it to anyone. My doctor ordered CD3 (NATURAL KILLER CELLS) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Satish Trivedi

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD3 (NATURAL KILLER CELLS) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Ritika Yadav

Bangalore

starstarstarstarstar

Annual preventive screen included CD3 (NATURAL KILLER CELLS) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Vimala Pillai

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD3 (NATURAL KILLER CELLS). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Nalini Iyengar

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD3 (NATURAL KILLER CELLS). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Lakshmi Menon

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD3 (NATURAL KILLER CELLS). GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Rohan Choudhary

Bangalore

starstarstarstarstar

I needed CD3 (NATURAL KILLER CELLS) done before starting long-term antibiotics. I've been using GetVisit in Koramangala, Bengaluru and would highly recommend it to anyone. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Santosh Hegde

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD3 (NATURAL KILLER CELLS). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Arnav Rehman

Bangalore

starstarstarstarstar

My elderly mother had recurring fever episodes. Her doctor ordered CD3 (NATURAL KILLER CELLS). GetVisit, patient and unhurried with her, and the detailed report helped her doctor identify the cause.

Seema Shukla

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD3 (NATURAL KILLER CELLS) as a precaution. GetVisit in Sarjapur, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Devendra Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. I've been using GetVisit in BTM Layout, Bengaluru and would highly recommend it to anyone. My doctor ordered CD3 (NATURAL KILLER CELLS) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Satish Trivedi

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD3 (NATURAL KILLER CELLS) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Ritika Yadav

Bangalore

starstarstarstarstar

Annual preventive screen included CD3 (NATURAL KILLER CELLS) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Vimala Pillai

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD3 (NATURAL KILLER CELLS). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Nalini Iyengar

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD3 (NATURAL KILLER CELLS). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Lakshmi Menon

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD3 (NATURAL KILLER CELLS). GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Rohan Choudhary

Bangalore

starstarstarstarstar

I needed CD3 (NATURAL KILLER CELLS) done before starting long-term antibiotics. I've been using GetVisit in Koramangala, Bengaluru and would highly recommend it to anyone. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Santosh Hegde

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD3 (NATURAL KILLER CELLS). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Arnav Rehman

Bangalore

starstarstarstarstar

My elderly mother had recurring fever episodes. Her doctor ordered CD3 (NATURAL KILLER CELLS). GetVisit, patient and unhurried with her, and the detailed report helped her doctor identify the cause.

Seema Shukla

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD3 (NATURAL KILLER CELLS) as a precaution. GetVisit in Sarjapur, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Devendra Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. I've been using GetVisit in BTM Layout, Bengaluru and would highly recommend it to anyone. My doctor ordered CD3 (NATURAL KILLER CELLS) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Satish Trivedi

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD3 (NATURAL KILLER CELLS) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Ritika Yadav

Bangalore

starstarstarstarstar

Annual preventive screen included CD3 (NATURAL KILLER CELLS) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Vimala Pillai

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD3 (NATURAL KILLER CELLS). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Nalini Iyengar

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD3 (NATURAL KILLER CELLS). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Lakshmi Menon

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD3 (NATURAL KILLER CELLS). GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Rohan Choudhary

Bangalore

starstarstarstarstar

I needed CD3 (NATURAL KILLER CELLS) done before starting long-term antibiotics. I've been using GetVisit in Koramangala, Bengaluru and would highly recommend it to anyone. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Santosh Hegde

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD3 (NATURAL KILLER CELLS). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Arnav Rehman

Bangalore

starstarstarstarstar

My elderly mother had recurring fever episodes. Her doctor ordered CD3 (NATURAL KILLER CELLS). GetVisit, patient and unhurried with her, and the detailed report helped her doctor identify the cause.

Seema Shukla

Bangalore

starstarstarstarstar

My child's school reported an outbreak and the paediatrician ordered CD3 (NATURAL KILLER CELLS) as a precaution. GetVisit in Sarjapur, Bengaluru, wonderful with my anxious child, and the negative result meant she could return to school.

Devendra Paul

Bangalore

starstarstarstarstar

Had symptoms not responding to initial treatment. I've been using GetVisit in BTM Layout, Bengaluru and would highly recommend it to anyone. My doctor ordered CD3 (NATURAL KILLER CELLS) to investigate further. GetVisit's quick home collection and same-day report meant my doctor could pivot the treatment plan without delay.

Satish Trivedi

Bangalore

starstarstarstarstar

I had been on antibiotics for ten days and my doctor wanted CD3 (NATURAL KILLER CELLS) to confirm treatment success. GetVisit, home collection, report confirmed clearance. My doctor closed the treatment course confidently.

Ritika Yadav

Bangalore

starstarstarstarstar

Annual preventive screen included CD3 (NATURAL KILLER CELLS) on my doctor's advice. GetVisit, home collection, same-day report, and the negative result gave me clear peace of mind.

Vimala Pillai

Bangalore

starstarstarstarstar

A recent exposure made my doctor want to rule out infection with CD3 (NATURAL KILLER CELLS). Urgent appointment through GetVisit. Home collection, report that afternoon, result negative, a huge relief, handled very professionally.

Nalini Iyengar

Bangalore

starstarstarstarstar

Post-surgery monitoring for potential infection included CD3 (NATURAL KILLER CELLS). My surgeon wanted early detection. GetVisit's same-day service gave us the result quickly and my surgeon confirmed everything was clear.

Lakshmi Menon

Bangalore

starstarstarstarstar

Pre-employment health clearance required CD3 (NATURAL KILLER CELLS). GetVisit, home collection, digital report delivered the same day in a format directly accepted by my employer's HR team.

Rohan Choudhary

Bangalore

starstarstarstarstar

I needed CD3 (NATURAL KILLER CELLS) done before starting long-term antibiotics. I've been using GetVisit in Koramangala, Bengaluru and would highly recommend it to anyone. My doctor wanted a clear baseline. GetVisit handled it the next morning, home collection, detailed report, and my doctor prescribed with confidence.

Santosh Hegde

Bangalore

starstarstarstarstar

My son had a persistent fever for three days. His paediatrician ordered CD3 (NATURAL KILLER CELLS). I booked GetVisit because I couldn't take a sick child to a lab. Technician arrived quickly, gentle with my son, report helped start the right treatment.

Arnav Rehman

Bangalore

starstarstarstarstar

My elderly mother had recurring fever episodes. Her doctor ordered CD3 (NATURAL KILLER CELLS). GetVisit, patient and unhurried with her, and the detailed report helped her doctor identify the cause.

Seema Shukla

Bangalore