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Helper T - Cell Marker : CD 4, in Delhi

Book Helper T - Cell Marker : CD 4 in Dilshad Garden, Delhi at GetVisit. The Helper T - Cell Marker CD4 test measures the number of CD4-positive T lymphocytes in the blood. NABL-accredited labs in Dilshad Garden and Rajouri Garden, home collection, same-day results and cashless OPD.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
GENDER
Male/Female
GET REPORTS IN
25 hours
TEST INCLUDED
1
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20K+Customers
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CertifiedLabs
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4.5+Rating
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What is a Helper T - Cell Marker : CD 4 Test in Delhi ?

What is Helper T - Cell Marker : CD 4?

The Helper T - Cell Marker CD4 test measures the number of CD4-positive T lymphocytes in the blood. These helper T cells direct other immune cells and are central to fighting infections. Accurate organism identification is clinically essential , typhoid, dengue, and malaria each require different treatment, and the wrong empirical approach delays recovery.

What does Helper T - Cell Marker : CD 4 measure?

Measuring CD4 helps detect weakened immunity and track changes over time. It is widely used to stage and manage HIV infection. Clinicians also use it for people on chemotherapy, after organ transplant, or when primary immunodeficiency is suspected. Results help guide treatment choices, predict risk of opportunistic infections, and monitor recovery or response to therapy.

What symptoms suggest Helper T - Cell Marker : CD 4 may be needed?

A doctor may recommend Helper T - Cell Marker : CD 4 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 Shahdara, Rohini, and surrounding neighbourhoods.

How is Helper T - Cell Marker : CD 4 performed?

At a GetVisit-partnered lab in Shahdara 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 Helper T - Cell Marker : CD 4?

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

Are there any risks to Helper T - Cell Marker : CD 4?

A blood draw for Helper T - Cell Marker : CD 4 is very safe. Occasionally there is minor bruising or light-headedness; sitting for a couple of minutes afterwards at the Shahdara or Rohini, Delhi collection point usually prevents this.

Did you know?

A CD4 helper T cell is a white blood cell and T lymphocyte expressing the CD4 receptor that recognizes antigen presented on MHC class II.

Helper T - Cell Marker : CD 4 Test Preparation in Delhi

Before you come:

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

Your medicines:

There's usually no need to stop your regular medication; just let the staff know what you take.

Documents and clothing:

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

Booking your slot:

Book whenever is convenient; for fasting or hormone tests an early-morning slot is ideal. GetVisit covers Mayur Vihar, Dwarka, and all of Delhi.

Helper T - Cell Marker : CD 4 Test Parameters in Delhi

Single standalone test:

Helper T - Cell Marker : CD 4. Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a Helper T - Cell Marker : CD 4 Test in Delhi ?

When does a doctor order Helper T - Cell Marker : CD 4?

Helper T - Cell Marker : CD 4 is commonly included in lymphocyte subset panels and HIV monitoring. Doctors may order it for repeated infections, unexplained weight loss, chronic fever, or when monitoring HIV treatment.

Who should get Helper T - Cell Marker : CD 4 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 Helper T - Cell Marker : CD 4 testing, as do travellers returning from endemic areas and people caring for someone already infected. Residents of Shahdara, Rajouri Garden, and flood-prone localities face higher seasonal exposure to mosquito- and water-borne infections.

What conditions can Helper T - Cell Marker : CD 4 help diagnose?

It helps diagnose immunodeficiency and guides decisions about preventive treatments. Low or high counts can result from infections, medications, chemotherapy, or inherited immune problems. A family history of immune disorders can make this test important.

What do Helper T - Cell Marker : CD 4 results mean?

Higher or positive results: Some T cells are CD4 positive, but not all. 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 Helper T - Cell Marker : CD 4 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 Helper T - Cell Marker : CD 4 results are ready?

After the lab authorises your results, the report is uploaded to your GetVisit account and saved for future comparison. If anything falls outside the expected range, your doctor can advise whether it needs a repeat test, a lifestyle change, or a specialist opinion.

H

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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 a CD4 helper T cell?plus

A CD4 helper T cell is a white blood cell and T lymphocyte expressing the CD4 receptor that recognizes antigen presented on MHC class II. It coordinates adaptive immunity by releasing cytokines and activating B cells, cytotoxic T cells and macrophages. CD4 cells are essential for effective immune responses and are depleted in HIV infection, increasing susceptibility to other infections.

Is CD45 a marker for T cells?plus

CD45 is a pan‑leukocyte surface protein expressed on essentially all nucleated blood cells, including T cells, B cells, NK cells, monocytes and granulocytes. It therefore appears on T cells but is not T‑cell‑specific. Isoforms such as CD45RA and CD45RO are commonly used to differentiate naïve versus memory T‑cell subsets in clinical and research settings.

What is the CD marker for helper T cells?plus

Helper T cells are defined by the CD4 surface marker. CD4 is a co-receptor that binds MHC class II on antigen-presenting cells, enabling helper T cells to recognize antigen and coordinate immune responses by activating B cells, cytotoxic T cells, and macrophages. Measurement of CD4 counts is used clinically to assess immune function, especially in HIV infection.

What is the normal range for CD4 helper T cells?plus

Normal CD4 (helper T‑cell) counts are generally about 500–1,500 cells per microliter (cells/µL or cells/mm³). CD4 percentage of total lymphocytes usually ranges from roughly 30–60%. Counts below about 200 cells/µL indicate severe immunosuppression risk, while values above 500 are considered within the typical healthy range. Individual labs’ reference ranges may vary slightly.

Do I need a doctor's prescription to book Helper T - Cell Marker : CD 4?plus

You can book Helper T - Cell Marker : CD 4 on GetVisit with or without a prescription, though a doctor's advice helps with interpreting the result. Cashless OPD may require a referral, depending on your insurer.

Can menstruation affect Helper T - Cell Marker : CD 4 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 Helper T - Cell Marker : CD 4.

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Booked online through GetVisit with no phone calls required in Noida. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Tapas Chatterjee

Delhi

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My child had recurrent fevers and this test finally gave us a clear answer. Clean, clear report with no missing values. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Rohini. The staff at the collection centre were professional and made me comfortable. Trustworthy, professional, and convenient.

Fatima Ansari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The whole thing was done from my phone sitting at home in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Sukhjinder Kaur

Delhi

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Found GetVisit online and the booking was done in under two minutes near my home in Saket. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. Catching this early made a real difference to my treatment. Already recommended this to three people in my RWA.

Dharamvir Punia

Delhi

starstarstarstarstar

Everything was within the normal range which was a relief. 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 in Rohini. Everything was hygienic and done efficiently. Saved me time and the hassle of going to a big hospital for a routine test.

Devendra Shukla

Delhi

starstarstarstarstar

My doctor was pleased with the report quality. Vector-borne diseases are common in Delhi during the rains. Found GetVisit online and the booking was done in under two minutes near my flat in Rohini Sector 7. The phlebotomist was skilled and the draw was quick and painless. Will definitely return for my next round of tests.

Paramjit Singh

Delhi

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High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Noida Sector 18. In and out in fifteen minutes. Clean, clear report with no missing values. Impressed with the service. Will keep using it.

Pallavi Tiwari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The GetVisit platform made it easy to pick a morning slot before office in Saket. The prick was barely noticeable. Reports came on WhatsApp and email well within the promised time. Will definitely return for my next round of tests.

Tejinder Kaur

Delhi

starstarstarstarstar

Reference ranges were highlighted which made it easy to read. Vector-borne diseases are common in Delhi during the rains. GetVisit had a lab within walking distance of my sector in Vasant Kunj. The result was reassuring and we could proceed with the next steps. Impressed with the service. Will keep using it.

Ritu Verma

Delhi

starstarstarstarstar

The staff explained each step before proceeding. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. GetVisit had a lab within walking distance of my sector in Punjabi Bagh. Clean, clear report with no missing values. Much better than standing in line at a hospital lab.

Poonam Mor

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Noida. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Tapas Chatterjee

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Clean, clear report with no missing values. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Rohini. The staff at the collection centre were professional and made me comfortable. Trustworthy, professional, and convenient.

Fatima Ansari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The whole thing was done from my phone sitting at home in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Sukhjinder Kaur

Delhi

starstarstarstarstar

Found GetVisit online and the booking was done in under two minutes near my home in Saket. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. Catching this early made a real difference to my treatment. Already recommended this to three people in my RWA.

Dharamvir Punia

Delhi

starstarstarstarstar

Everything was within the normal range which was a relief. 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 in Rohini. Everything was hygienic and done efficiently. Saved me time and the hassle of going to a big hospital for a routine test.

Devendra Shukla

Delhi

starstarstarstarstar

My doctor was pleased with the report quality. Vector-borne diseases are common in Delhi during the rains. Found GetVisit online and the booking was done in under two minutes near my flat in Rohini Sector 7. The phlebotomist was skilled and the draw was quick and painless. Will definitely return for my next round of tests.

Paramjit Singh

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Noida Sector 18. In and out in fifteen minutes. Clean, clear report with no missing values. Impressed with the service. Will keep using it.

Pallavi Tiwari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The GetVisit platform made it easy to pick a morning slot before office in Saket. The prick was barely noticeable. Reports came on WhatsApp and email well within the promised time. Will definitely return for my next round of tests.

Tejinder Kaur

Delhi

starstarstarstarstar

Reference ranges were highlighted which made it easy to read. Vector-borne diseases are common in Delhi during the rains. GetVisit had a lab within walking distance of my sector in Vasant Kunj. The result was reassuring and we could proceed with the next steps. Impressed with the service. Will keep using it.

Ritu Verma

Delhi

starstarstarstarstar

The staff explained each step before proceeding. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. GetVisit had a lab within walking distance of my sector in Punjabi Bagh. Clean, clear report with no missing values. Much better than standing in line at a hospital lab.

Poonam Mor

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Noida. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Tapas Chatterjee

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Clean, clear report with no missing values. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Rohini. The staff at the collection centre were professional and made me comfortable. Trustworthy, professional, and convenient.

Fatima Ansari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The whole thing was done from my phone sitting at home in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Sukhjinder Kaur

Delhi

starstarstarstarstar

Found GetVisit online and the booking was done in under two minutes near my home in Saket. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. Catching this early made a real difference to my treatment. Already recommended this to three people in my RWA.

Dharamvir Punia

Delhi

starstarstarstarstar

Everything was within the normal range which was a relief. 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 in Rohini. Everything was hygienic and done efficiently. Saved me time and the hassle of going to a big hospital for a routine test.

Devendra Shukla

Delhi

starstarstarstarstar

My doctor was pleased with the report quality. Vector-borne diseases are common in Delhi during the rains. Found GetVisit online and the booking was done in under two minutes near my flat in Rohini Sector 7. The phlebotomist was skilled and the draw was quick and painless. Will definitely return for my next round of tests.

Paramjit Singh

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Noida Sector 18. In and out in fifteen minutes. Clean, clear report with no missing values. Impressed with the service. Will keep using it.

Pallavi Tiwari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The GetVisit platform made it easy to pick a morning slot before office in Saket. The prick was barely noticeable. Reports came on WhatsApp and email well within the promised time. Will definitely return for my next round of tests.

Tejinder Kaur

Delhi

starstarstarstarstar

Reference ranges were highlighted which made it easy to read. Vector-borne diseases are common in Delhi during the rains. GetVisit had a lab within walking distance of my sector in Vasant Kunj. The result was reassuring and we could proceed with the next steps. Impressed with the service. Will keep using it.

Ritu Verma

Delhi

starstarstarstarstar

The staff explained each step before proceeding. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. GetVisit had a lab within walking distance of my sector in Punjabi Bagh. Clean, clear report with no missing values. Much better than standing in line at a hospital lab.

Poonam Mor

Delhi

starstarstarstarstar

Booked online through GetVisit with no phone calls required in Noida. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The result was reassuring and we could proceed with the next steps. Will book through GetVisit next time without a second thought.

Tapas Chatterjee

Delhi

starstarstarstarstar

My child had recurrent fevers and this test finally gave us a clear answer. Clean, clear report with no missing values. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Rohini. The staff at the collection centre were professional and made me comfortable. Trustworthy, professional, and convenient.

Fatima Ansari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Quick blood test, nothing to stress about. The whole thing was done from my phone sitting at home in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Sukhjinder Kaur

Delhi

starstarstarstarstar

Found GetVisit online and the booking was done in under two minutes near my home in Saket. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The prick was barely noticeable. Catching this early made a real difference to my treatment. Already recommended this to three people in my RWA.

Dharamvir Punia

Delhi

starstarstarstarstar

Everything was within the normal range which was a relief. 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 in Rohini. Everything was hygienic and done efficiently. Saved me time and the hassle of going to a big hospital for a routine test.

Devendra Shukla

Delhi

starstarstarstarstar

My doctor was pleased with the report quality. Vector-borne diseases are common in Delhi during the rains. Found GetVisit online and the booking was done in under two minutes near my flat in Rohini Sector 7. The phlebotomist was skilled and the draw was quick and painless. Will definitely return for my next round of tests.

Paramjit Singh

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Noida Sector 18. In and out in fifteen minutes. Clean, clear report with no missing values. Impressed with the service. Will keep using it.

Pallavi Tiwari

Delhi

starstarstarstarstar

High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. The GetVisit platform made it easy to pick a morning slot before office in Saket. The prick was barely noticeable. Reports came on WhatsApp and email well within the promised time. Will definitely return for my next round of tests.

Tejinder Kaur

Delhi

starstarstarstarstar

Reference ranges were highlighted which made it easy to read. Vector-borne diseases are common in Delhi during the rains. GetVisit had a lab within walking distance of my sector in Vasant Kunj. The result was reassuring and we could proceed with the next steps. Impressed with the service. Will keep using it.

Ritu Verma

Delhi

starstarstarstarstar

The staff explained each step before proceeding. High fever in the monsoon and my doctor wanted dengue and typhoid ruled out. GetVisit had a lab within walking distance of my sector in Punjabi Bagh. Clean, clear report with no missing values. Much better than standing in line at a hospital lab.

Poonam Mor

Delhi