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Aquaporin - 4, in Delhi

Get Aquaporin - 4 done in Vasant Kunj, Delhi with GetVisit. The Aquaporin-4 test measures antibodies in the blood that target the aquaporin-4 protein. Verified neurologist, home collection, and same-day digital reports across Paschim Vihar and the city.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
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Male/Female
GET REPORTS IN
24 hours
TEST INCLUDED
1
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20K+Customers
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CertifiedLabs
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What is a Aquaporin - 4 Test in Delhi ?

What is Aquaporin - 4?

The Aquaporin-4 test measures antibodies in the blood that target the aquaporin-4 protein. Aquaporin-4 is a water channel found on cells in the central nervous system. Physical examination provides clues; a test result removes ambiguity and allows targeted, evidence-based management to begin promptly.

What does Aquaporin - 4 measure?

It helps control water balance around the brain, spinal cord, and optic nerves. When the immune system makes antibodies against it, those cells can become damaged. This is linked to neuromyelitis optica spectrum disorder (NMOSD). Doctors use the test to help distinguish NMOSD from other nerve conditions and to confirm diagnosis after episodes like optic neuritis or transverse myelitis.

What symptoms suggest Aquaporin - 4 may be needed?

A doctor may recommend Aquaporin - 4 when a patient reports any symptom your doctor has identified as requiring objective laboratory investigation , including unexplained fatigue, unexplained weight change, persistent pain, fever, or abnormal bleeding. In Delhi, you can book this test online with home collection available in Rohini, Greater Kailash, and beyond.

How is Aquaporin - 4 performed?

Whether you visit a walk-in lab in Rohini or book home collection in Greater Kailash, Delhi, the process is the same. A trained phlebotomist performs a brief, sterile venipuncture, barcodes the sample for tracking, and dispatches it to the NABL lab. Your digital report is available in the GetVisit app the same day for most blood tests.

How accurate is Aquaporin - 4?

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

Are there any risks to Aquaporin - 4?

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 Rohini and Greater Kailash, Delhi.

Did you know?

Aquaporin‑4 is the main water channel in the central nervous system, concentrated in astrocyte endfeet at blood–brain and cerebrospinal fluid interfaces.

Aquaporin - 4 Test Preparation in Delhi

Managing medication:

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

Fasting instructions:

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

Timing:

Morning appointments suit most tests, when the body's markers are most stable. GetVisit home collection in Delhi starts at 6:00 AM, including Saket and Janakpuri.

What to bring along:

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

Aquaporin - 4 Test Parameters in Delhi

Single standalone test:

Aquaporin - 4. Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a Aquaporin - 4 Test in Delhi ?

When does a doctor order Aquaporin - 4?

Aquaporin - 4 is usually part of a neurology autoimmune antibody panel when doctors suspect neuromyelitis optica spectrum disorder. Physicians may order it for patients with repeated optic neuritis, sudden vision loss, transverse myelitis, or unexplained spinal cord symptoms and relapses.

Who should get Aquaporin - 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. Those who benefit most from regular Aquaporin - 4 testing include adults above 40, people with sedentary lifestyles or BMI above 25, those managing chronic conditions, smokers, and anyone whose previous result was borderline. Early detection through regular testing in Delhi is consistently more cost-effective than treating advanced disease.

What conditions can Aquaporin - 4 help diagnose?

A positive result supports NMOSD diagnosis and helps guide immunotherapy decisions. Abnormal results reflect autoimmune production of AQP4 antibodies, and prior immunosuppressant use or a family history of autoimmune disease can influence testing and management.

What do Aquaporin - 4 results mean?

Higher or positive results: Aquaporin-4 (AQP4) positive means a person has antibodies against the AQP4 water‑channel protein, usually detected in blood or cerebrospinal fluid. 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 Aquaporin - 4 be repeated?

For preventive screening with a normal baseline: annually for most adults above 35. For monitoring a known condition: at the interval your specialist recommends , typically every 3 to 6 months for active conditions and annually for stable, well-controlled ones.

What happens after Aquaporin - 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.

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Frequently asked questions

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What is the function of aquaporin-4?plus

Aquaporin‑4 is the main water channel in the central nervous system, concentrated in astrocyte endfeet at blood–brain and cerebrospinal fluid interfaces. It facilitates rapid bidirectional water movement to regulate brain water balance, extracellular volume, and cerebrospinal fluid flow, supports potassium buffering and glymphatic clearance of metabolites, and plays a key role in conditions like cerebral edema and autoimmune neuromyelitis optica.

What is the disease associated with aquaporin-4?plus

Aquaporin‑4 is the target antigen in neuromyelitis optica spectrum disorder (NMOSD), an autoimmune inflammatory demyelinating disease of the central nervous system. Pathogenic AQP4‑IgG antibodies attack astrocyte water channels, causing optic neuritis, longitudinally extensive transverse myelitis, and other brainstem or cerebral symptoms. Detection of AQP4 antibodies is highly specific for NMOSD and guides diagnosis and immunotherapy.

What does aquaporin-4 positive mean?plus

Aquaporin-4 (AQP4) positive means a person has antibodies against the AQP4 water‑channel protein, usually detected in blood or cerebrospinal fluid. This autoantibody signals an autoimmune attack on astrocytes and strongly supports a diagnosis of neuromyelitis optica spectrum disorder (NMOSD). AQP4 positivity helps distinguish NMOSD from multiple sclerosis and guides immunosuppressive treatment and prognosis.

Where are aquaporin-4 channels found?plus

Aquaporin‑4 (AQP4) is a water channel highly concentrated in the central nervous system, especially in astrocyte endfeet at the blood–brain barrier, perivascular and subpial regions, and ependymal surfaces lining ventricles. It’s also present in the retina (Müller cells), optic nerve and spinal cord. Smaller amounts appear in some peripheral tissues, but its primary role is CNS water homeostasis.

Do I need a doctor's prescription to book Aquaporin - 4?plus

You can book Aquaporin - 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 I take my diabetes medication before Aquaporin - 4?plus

If you take insulin or diabetes tablets and are fasting for Aquaporin - 4, ask your doctor whether to delay the dose until after the sample is collected, to avoid a low-sugar episode.

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This test had been pending for a while and I finally got it done. The whole thing was done from my phone sitting at home in Laxmi Nagar. The staff explained each step before proceeding. Got the digital report faster than expected. No complaints at all. Smooth experience from start to finish.

Karthik Rao

Delhi

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Got the digital report faster than expected. My doctor thought it was a good idea and I agreed. Compared labs on GetVisit and picked the one nearest to my house in Gurugram. A borderline reading was caught in time. Already recommended this to three people in my RWA.

Joginder Sheoran

Delhi

starstarstarstarstar

Something my doctor recommended at my last consultation. No need to visit the lab again to collect a paper copy. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Paschim Vihar. The staff explained each step before proceeding. Impressed with the service. Will keep using it.

Karan Malhotra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Used GetVisit for the first time and the booking was genuinely straightforward in DLF Phase 2. Quick blood test, nothing to stress about. Reference ranges were highlighted which made it easy to read. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Tejinder Kaur

Delhi

starstarstarstarstar

A borderline reading was caught in time. This test had been pending for a while and I finally got it done. GetVisit had a lab within walking distance of my sector in Dwarka. Everything was hygienic and done efficiently. Much better than standing in line at a hospital lab.

Jatin Kohli

Delhi

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Part of my annual preventive health check. Booked a 7 AM slot before my Metro commute in Vaishali. The staff explained each step before proceeding. Report was delivered digitally and I saved it straight to my phone. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

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Part of my annual preventive health check. GetVisit had a lab within walking distance of my sector near CP. The lab staff were courteous and I was not made to wait. Got the digital report faster than expected. Already told my family and neighbours to use GetVisit.

Navjot Singh

Delhi

starstarstarstarstar

This result changed my doctor's approach to my treatment for the better. Flagged during a health camp at my RWA and my doctor confirmed it. Booked online through GetVisit with no phone calls required in Gurugram. The lab staff were courteous and I was not made to wait. Great service, especially given Delhi's busy lifestyle.

Hina Malhotra

Delhi

starstarstarstarstar

Received the report on my phone and forwarded it to my doctor immediately. Routine monitoring, I do a comprehensive panel every year. Found GetVisit online and the booking was done in under two minutes in Faridabad. This result changed my doctor's approach to my treatment for the better. Will definitely return for my next round of tests.

Jaswinder Singh

Delhi

starstarstarstarstar

The report gave my specialist all the data needed to make a confident call. My doctor thought it was a good idea and I agreed. A colleague recommended GetVisit and the booking was very simple near CP. The phlebotomist was skilled and the draw was quick and painless. Great service, especially given Delhi's busy lifestyle.

Ritu Verma

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. The whole thing was done from my phone sitting at home in Laxmi Nagar. The staff explained each step before proceeding. Got the digital report faster than expected. No complaints at all. Smooth experience from start to finish.

Karthik Rao

Delhi

starstarstarstarstar

Got the digital report faster than expected. My doctor thought it was a good idea and I agreed. Compared labs on GetVisit and picked the one nearest to my house in Gurugram. A borderline reading was caught in time. Already recommended this to three people in my RWA.

Joginder Sheoran

Delhi

starstarstarstarstar

Something my doctor recommended at my last consultation. No need to visit the lab again to collect a paper copy. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Paschim Vihar. The staff explained each step before proceeding. Impressed with the service. Will keep using it.

Karan Malhotra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Used GetVisit for the first time and the booking was genuinely straightforward in DLF Phase 2. Quick blood test, nothing to stress about. Reference ranges were highlighted which made it easy to read. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Tejinder Kaur

Delhi

starstarstarstarstar

A borderline reading was caught in time. This test had been pending for a while and I finally got it done. GetVisit had a lab within walking distance of my sector in Dwarka. Everything was hygienic and done efficiently. Much better than standing in line at a hospital lab.

Jatin Kohli

Delhi

starstarstarstarstar

Part of my annual preventive health check. Booked a 7 AM slot before my Metro commute in Vaishali. The staff explained each step before proceeding. Report was delivered digitally and I saved it straight to my phone. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Part of my annual preventive health check. GetVisit had a lab within walking distance of my sector near CP. The lab staff were courteous and I was not made to wait. Got the digital report faster than expected. Already told my family and neighbours to use GetVisit.

Navjot Singh

Delhi

starstarstarstarstar

This result changed my doctor's approach to my treatment for the better. Flagged during a health camp at my RWA and my doctor confirmed it. Booked online through GetVisit with no phone calls required in Gurugram. The lab staff were courteous and I was not made to wait. Great service, especially given Delhi's busy lifestyle.

Hina Malhotra

Delhi

starstarstarstarstar

Received the report on my phone and forwarded it to my doctor immediately. Routine monitoring, I do a comprehensive panel every year. Found GetVisit online and the booking was done in under two minutes in Faridabad. This result changed my doctor's approach to my treatment for the better. Will definitely return for my next round of tests.

Jaswinder Singh

Delhi

starstarstarstarstar

The report gave my specialist all the data needed to make a confident call. My doctor thought it was a good idea and I agreed. A colleague recommended GetVisit and the booking was very simple near CP. The phlebotomist was skilled and the draw was quick and painless. Great service, especially given Delhi's busy lifestyle.

Ritu Verma

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. The whole thing was done from my phone sitting at home in Laxmi Nagar. The staff explained each step before proceeding. Got the digital report faster than expected. No complaints at all. Smooth experience from start to finish.

Karthik Rao

Delhi

starstarstarstarstar

Got the digital report faster than expected. My doctor thought it was a good idea and I agreed. Compared labs on GetVisit and picked the one nearest to my house in Gurugram. A borderline reading was caught in time. Already recommended this to three people in my RWA.

Joginder Sheoran

Delhi

starstarstarstarstar

Something my doctor recommended at my last consultation. No need to visit the lab again to collect a paper copy. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Paschim Vihar. The staff explained each step before proceeding. Impressed with the service. Will keep using it.

Karan Malhotra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Used GetVisit for the first time and the booking was genuinely straightforward in DLF Phase 2. Quick blood test, nothing to stress about. Reference ranges were highlighted which made it easy to read. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Tejinder Kaur

Delhi

starstarstarstarstar

A borderline reading was caught in time. This test had been pending for a while and I finally got it done. GetVisit had a lab within walking distance of my sector in Dwarka. Everything was hygienic and done efficiently. Much better than standing in line at a hospital lab.

Jatin Kohli

Delhi

starstarstarstarstar

Part of my annual preventive health check. Booked a 7 AM slot before my Metro commute in Vaishali. The staff explained each step before proceeding. Report was delivered digitally and I saved it straight to my phone. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Part of my annual preventive health check. GetVisit had a lab within walking distance of my sector near CP. The lab staff were courteous and I was not made to wait. Got the digital report faster than expected. Already told my family and neighbours to use GetVisit.

Navjot Singh

Delhi

starstarstarstarstar

This result changed my doctor's approach to my treatment for the better. Flagged during a health camp at my RWA and my doctor confirmed it. Booked online through GetVisit with no phone calls required in Gurugram. The lab staff were courteous and I was not made to wait. Great service, especially given Delhi's busy lifestyle.

Hina Malhotra

Delhi

starstarstarstarstar

Received the report on my phone and forwarded it to my doctor immediately. Routine monitoring, I do a comprehensive panel every year. Found GetVisit online and the booking was done in under two minutes in Faridabad. This result changed my doctor's approach to my treatment for the better. Will definitely return for my next round of tests.

Jaswinder Singh

Delhi

starstarstarstarstar

The report gave my specialist all the data needed to make a confident call. My doctor thought it was a good idea and I agreed. A colleague recommended GetVisit and the booking was very simple near CP. The phlebotomist was skilled and the draw was quick and painless. Great service, especially given Delhi's busy lifestyle.

Ritu Verma

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. The whole thing was done from my phone sitting at home in Laxmi Nagar. The staff explained each step before proceeding. Got the digital report faster than expected. No complaints at all. Smooth experience from start to finish.

Karthik Rao

Delhi

starstarstarstarstar

Got the digital report faster than expected. My doctor thought it was a good idea and I agreed. Compared labs on GetVisit and picked the one nearest to my house in Gurugram. A borderline reading was caught in time. Already recommended this to three people in my RWA.

Joginder Sheoran

Delhi

starstarstarstarstar

Something my doctor recommended at my last consultation. No need to visit the lab again to collect a paper copy. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Paschim Vihar. The staff explained each step before proceeding. Impressed with the service. Will keep using it.

Karan Malhotra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Used GetVisit for the first time and the booking was genuinely straightforward in DLF Phase 2. Quick blood test, nothing to stress about. Reference ranges were highlighted which made it easy to read. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Tejinder Kaur

Delhi

starstarstarstarstar

A borderline reading was caught in time. This test had been pending for a while and I finally got it done. GetVisit had a lab within walking distance of my sector in Dwarka. Everything was hygienic and done efficiently. Much better than standing in line at a hospital lab.

Jatin Kohli

Delhi

starstarstarstarstar

Part of my annual preventive health check. Booked a 7 AM slot before my Metro commute in Vaishali. The staff explained each step before proceeding. Report was delivered digitally and I saved it straight to my phone. Highly recommend to anyone in Delhi NCR looking for hassle-free diagnostics.

Seema Phogat

Delhi

starstarstarstarstar

Part of my annual preventive health check. GetVisit had a lab within walking distance of my sector near CP. The lab staff were courteous and I was not made to wait. Got the digital report faster than expected. Already told my family and neighbours to use GetVisit.

Navjot Singh

Delhi

starstarstarstarstar

This result changed my doctor's approach to my treatment for the better. Flagged during a health camp at my RWA and my doctor confirmed it. Booked online through GetVisit with no phone calls required in Gurugram. The lab staff were courteous and I was not made to wait. Great service, especially given Delhi's busy lifestyle.

Hina Malhotra

Delhi

starstarstarstarstar

Received the report on my phone and forwarded it to my doctor immediately. Routine monitoring, I do a comprehensive panel every year. Found GetVisit online and the booking was done in under two minutes in Faridabad. This result changed my doctor's approach to my treatment for the better. Will definitely return for my next round of tests.

Jaswinder Singh

Delhi

starstarstarstarstar

The report gave my specialist all the data needed to make a confident call. My doctor thought it was a good idea and I agreed. A colleague recommended GetVisit and the booking was very simple near CP. The phlebotomist was skilled and the draw was quick and painless. Great service, especially given Delhi's busy lifestyle.

Ritu Verma

Delhi