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CD19 (Pan B Cell Marker), in Delhi

CD19 (Pan B Cell Marker) in Rohini, Delhi: The CD19 (Pan B Cell Marker) test measures the CD19 protein on the surface of B lymphocytes. Book with GetVisit for NABL-accredited results, same-day slots, home collection and cashless OPD.

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Blood
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No
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Male/Female
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24 hours
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What is a CD19 (Pan B Cell Marker) Test in Delhi ?

What is CD19 (Pan B Cell Marker)?

The CD19 (Pan B Cell Marker) test measures the CD19 protein on the surface of B lymphocytes. B cells are white blood cells that make antibodies and help fight infection. Accurate organism identification is clinically essential , typhoid, dengue, and malaria each require different treatment, and the wrong empirical approach delays recovery.

What does CD19 (Pan B Cell Marker) measure?

Measuring CD19 shows how many B cells are present and whether their pattern looks normal. This helps detect B‑cell leukemias and lymphomas, identify some immune deficiencies, and monitor therapies that affect B cells. Doctors commonly use it as part of flow cytometry immunophenotyping on blood or tissue samples. It helps confirm a diagnosis, guide treatment choices, and track response or relapse over time.

What symptoms suggest CD19 (Pan B Cell Marker) may be needed?

A doctor may recommend CD19 (Pan B Cell Marker) 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. Sample collection for Delhi is available at labs and at home across Saket, Shahdara, and surrounding neighbourhoods.

How is CD19 (Pan B Cell Marker) performed?

A quick venous blood sample is all that is needed. At your chosen slot in Saket or Shahdara, Delhi, the phlebotomist collects the sample with sterile equipment; most people feel only a momentary prick and there is no downtime afterwards.

How accurate is CD19 (Pan B Cell Marker)?

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

Are there any risks to CD19 (Pan B Cell Marker)?

A blood draw for CD19 (Pan B Cell Marker) is very safe. Occasionally there is minor bruising or light-headedness; sitting for a couple of minutes afterwards at the Saket or Shahdara, Delhi collection point usually prevents this.

Did you know?

CD19 is a transmembrane protein and a pan–B-cell marker expressed throughout B-cell development from pro-B cells to mature B cells, but typically lost when B cells differentiate into plasma cells.

CD19 (Pan B Cell Marker) 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.

Medication guidance:

Continue your regular medicines unless your doctor has told you otherwise.

What to carry:

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

When to book:

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

CD19 (Pan B Cell Marker) Test Parameters in Delhi

Single standalone test:

CD19 (Pan B Cell Marker). Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a CD19 (Pan B Cell Marker) Test in Delhi ?

When does a doctor order CD19 (Pan B Cell Marker)?

CD19 (Pan B Cell Marker) is included in flow cytometry immunophenotyping panels used to evaluate blood and bone marrow. Doctors may order it for unexplained infections, abnormal white cell counts, swollen lymph nodes, or suspected leukemia/lymphoma.

Who should get CD19 (Pan B Cell Marker) 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 CD19 (Pan B Cell Marker) testing, as do travellers returning from endemic areas and people caring for someone already infected. Residents of Greater Kailash, Shahdara, and flood-prone localities face higher seasonal exposure to mosquito- and water-borne infections.

What conditions can CD19 (Pan B Cell Marker) help diagnose?

It helps diagnose and monitor B‑cell cancers and immune defects. Abnormal results arise from B‑cell malignancy, immunodeficiency, certain infections, or B‑cell–depleting therapies; family history of blood cancers may prompt testing.

What do CD19 (Pan B Cell Marker) results mean?

Higher or positive results: CD19-positive means cells express the CD19 protein on their surface, identifying them as B lymphocytes. 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 CD19 (Pan B Cell Marker) 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 CD19 (Pan B Cell Marker) 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.

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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 is CD19 a marker for?plus

CD19 is a transmembrane protein and a pan–B-cell marker expressed throughout B-cell development from pro-B cells to mature B cells, but typically lost when B cells differentiate into plasma cells. It is widely used to identify and classify normal and malignant B-cell populations in blood, bone marrow and lymphoid tissues, and serves as a target for B-cell–directed therapies.

What does it mean when CD19 is positive?plus

CD19-positive means cells express the CD19 protein on their surface, identifying them as B lymphocytes. In clinical testing (flow cytometry or immunohistochemistry) CD19 positivity indicates B‑cell lineage, helping diagnose and classify B‑cell leukemias and lymphomas, monitor disease burden or minimal residual disease, and select or evaluate therapies that target CD19 (for example, monoclonal antibodies or CAR‑T cells).

What is a pan B cell marker?plus

A pan B‑cell marker is a surface or lineage protein expressed broadly across B lymphocyte stages, used to identify B cells in diagnostics and guide therapies. Common pan‑B markers include CD19 and CD20 (widely used for flow cytometry and targeted treatments); CD79a and PAX5 are additional lineage markers useful in pathology, with varying expression on plasma cells.

What is the role of CD19 in B cells?plus

CD19 is a transmembrane co-receptor expressed through B‑cell development that amplifies B‑cell receptor (BCR) signaling by recruiting kinases and lowering the activation threshold. It forms a complex with CD21 and CD81, supporting B‑cell activation, proliferation, differentiation, antibody responses, and survival. CD19 is also used as a lineage marker and a therapeutic target in B‑cell malignancies and immunotherapies.

Can I drink coffee or tea before CD19 (Pan B Cell Marker)?plus

If CD19 (Pan B Cell Marker) 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 menstruation affect CD19 (Pan B Cell Marker) 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 CD19 (Pan B Cell Marker).

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My child had recurrent fevers and this test finally gave us a clear answer. Compared labs on GetVisit and picked the one nearest to my house in Shalimar Bagh. Quick blood test, nothing to stress about. The report was detailed with reference ranges clearly marked. GetVisit has made health check-ups genuinely convenient in this city.

Bharat Arora

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Faridabad. Blood draw was fast and painless. The phlebotomist was skilled and the draw was quick and painless. The values were accurate and my doctor could act on them immediately. Will definitely use GetVisit again.

Geeta Negi

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. GetVisit showed the prices upfront before I even selected a lab in Rohini. Arrived and was attended to within ten minutes. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Rekha Kumar

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The whole thing was done from my phone sitting at home near CP. Simple blood draw, over in under two minutes. Got the digital report faster than expected. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. The report arrived with all parameters clearly listed. GetVisit had same-day slots which is not easy to find in Delhi in Janakpuri. The technician was gentle and my elderly father had no issues. Great service, especially given Delhi's busy lifestyle.

Bhavna Arora

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Nehru Place. My child had recurrent fevers and this test finally gave us a clear answer. Blood draw was fast and painless. The result was reassuring and we could proceed with the next steps. Already told my family and neighbours to use GetVisit.

Manpreet Kaur

Delhi

starstarstarstarstar

Scheduled a slot online and got an instant confirmation on WhatsApp in Dwarka Sector 10. Blood draw was fast and painless. In and out in fifteen minutes. Everything was within the normal range which was a relief. No complaints at all. Smooth experience from start to finish.

Pradeep Jha

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Faridabad. Got the digital report faster than expected. Will definitely return for my next round of tests.

Ravi Bisht

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Had a stubborn fever and this test pinpointed the cause quickly. GetVisit showed the prices upfront before I even selected a lab in Karol Bagh. The team followed proper protocols throughout. Saved me time and the hassle of going to a big hospital for a routine test.

Swapna Roy

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief near my home in Saket. Everything was hygienic and done efficiently. Received the report on my phone and forwarded it to my doctor immediately. GetVisit has made health check-ups genuinely convenient in this city.

Paramita Ghosh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Compared labs on GetVisit and picked the one nearest to my house in Shalimar Bagh. Quick blood test, nothing to stress about. The report was detailed with reference ranges clearly marked. GetVisit has made health check-ups genuinely convenient in this city.

Bharat Arora

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Faridabad. Blood draw was fast and painless. The phlebotomist was skilled and the draw was quick and painless. The values were accurate and my doctor could act on them immediately. Will definitely use GetVisit again.

Geeta Negi

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. GetVisit showed the prices upfront before I even selected a lab in Rohini. Arrived and was attended to within ten minutes. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Rekha Kumar

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The whole thing was done from my phone sitting at home near CP. Simple blood draw, over in under two minutes. Got the digital report faster than expected. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. The report arrived with all parameters clearly listed. GetVisit had same-day slots which is not easy to find in Delhi in Janakpuri. The technician was gentle and my elderly father had no issues. Great service, especially given Delhi's busy lifestyle.

Bhavna Arora

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Nehru Place. My child had recurrent fevers and this test finally gave us a clear answer. Blood draw was fast and painless. The result was reassuring and we could proceed with the next steps. Already told my family and neighbours to use GetVisit.

Manpreet Kaur

Delhi

starstarstarstarstar

Scheduled a slot online and got an instant confirmation on WhatsApp in Dwarka Sector 10. Blood draw was fast and painless. In and out in fifteen minutes. Everything was within the normal range which was a relief. No complaints at all. Smooth experience from start to finish.

Pradeep Jha

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Faridabad. Got the digital report faster than expected. Will definitely return for my next round of tests.

Ravi Bisht

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Had a stubborn fever and this test pinpointed the cause quickly. GetVisit showed the prices upfront before I even selected a lab in Karol Bagh. The team followed proper protocols throughout. Saved me time and the hassle of going to a big hospital for a routine test.

Swapna Roy

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief near my home in Saket. Everything was hygienic and done efficiently. Received the report on my phone and forwarded it to my doctor immediately. GetVisit has made health check-ups genuinely convenient in this city.

Paramita Ghosh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Compared labs on GetVisit and picked the one nearest to my house in Shalimar Bagh. Quick blood test, nothing to stress about. The report was detailed with reference ranges clearly marked. GetVisit has made health check-ups genuinely convenient in this city.

Bharat Arora

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Faridabad. Blood draw was fast and painless. The phlebotomist was skilled and the draw was quick and painless. The values were accurate and my doctor could act on them immediately. Will definitely use GetVisit again.

Geeta Negi

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. GetVisit showed the prices upfront before I even selected a lab in Rohini. Arrived and was attended to within ten minutes. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Rekha Kumar

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The whole thing was done from my phone sitting at home near CP. Simple blood draw, over in under two minutes. Got the digital report faster than expected. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. The report arrived with all parameters clearly listed. GetVisit had same-day slots which is not easy to find in Delhi in Janakpuri. The technician was gentle and my elderly father had no issues. Great service, especially given Delhi's busy lifestyle.

Bhavna Arora

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Nehru Place. My child had recurrent fevers and this test finally gave us a clear answer. Blood draw was fast and painless. The result was reassuring and we could proceed with the next steps. Already told my family and neighbours to use GetVisit.

Manpreet Kaur

Delhi

starstarstarstarstar

Scheduled a slot online and got an instant confirmation on WhatsApp in Dwarka Sector 10. Blood draw was fast and painless. In and out in fifteen minutes. Everything was within the normal range which was a relief. No complaints at all. Smooth experience from start to finish.

Pradeep Jha

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Faridabad. Got the digital report faster than expected. Will definitely return for my next round of tests.

Ravi Bisht

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Had a stubborn fever and this test pinpointed the cause quickly. GetVisit showed the prices upfront before I even selected a lab in Karol Bagh. The team followed proper protocols throughout. Saved me time and the hassle of going to a big hospital for a routine test.

Swapna Roy

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief near my home in Saket. Everything was hygienic and done efficiently. Received the report on my phone and forwarded it to my doctor immediately. GetVisit has made health check-ups genuinely convenient in this city.

Paramita Ghosh

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Compared labs on GetVisit and picked the one nearest to my house in Shalimar Bagh. Quick blood test, nothing to stress about. The report was detailed with reference ranges clearly marked. GetVisit has made health check-ups genuinely convenient in this city.

Bharat Arora

Delhi

starstarstarstarstar

Compared labs on GetVisit and picked the one nearest to my house in Faridabad. Blood draw was fast and painless. The phlebotomist was skilled and the draw was quick and painless. The values were accurate and my doctor could act on them immediately. Will definitely use GetVisit again.

Geeta Negi

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. GetVisit showed the prices upfront before I even selected a lab in Rohini. Arrived and was attended to within ten minutes. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Rekha Kumar

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The whole thing was done from my phone sitting at home near CP. Simple blood draw, over in under two minutes. Got the digital report faster than expected. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Vector-borne diseases are common in Delhi during the rains. The report arrived with all parameters clearly listed. GetVisit had same-day slots which is not easy to find in Delhi in Janakpuri. The technician was gentle and my elderly father had no issues. Great service, especially given Delhi's busy lifestyle.

Bhavna Arora

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Nehru Place. My child had recurrent fevers and this test finally gave us a clear answer. Blood draw was fast and painless. The result was reassuring and we could proceed with the next steps. Already told my family and neighbours to use GetVisit.

Manpreet Kaur

Delhi

starstarstarstarstar

Scheduled a slot online and got an instant confirmation on WhatsApp in Dwarka Sector 10. Blood draw was fast and painless. In and out in fifteen minutes. Everything was within the normal range which was a relief. No complaints at all. Smooth experience from start to finish.

Pradeep Jha

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. The prick was barely noticeable. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Faridabad. Got the digital report faster than expected. Will definitely return for my next round of tests.

Ravi Bisht

Delhi

starstarstarstarstar

The report helped my doctor adjust my medication right away. Had a stubborn fever and this test pinpointed the cause quickly. GetVisit showed the prices upfront before I even selected a lab in Karol Bagh. The team followed proper protocols throughout. Saved me time and the hassle of going to a big hospital for a routine test.

Swapna Roy

Delhi

starstarstarstarstar

Had a stubborn fever and this test pinpointed the cause quickly. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief near my home in Saket. Everything was hygienic and done efficiently. Received the report on my phone and forwarded it to my doctor immediately. GetVisit has made health check-ups genuinely convenient in this city.

Paramita Ghosh

Delhi