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CD55 (PNH Marker)

The CD55 (PNH Marker) test measures the amount of CD55 protein on red blood cells. Book CD55 (PNH Marker) in Karelabagh, Prayagraj at GetVisit, partner NABL-accredited laboratories, home collection where available, reports in 24 to 48 hours and cashless OPD.
What is a CD55 (PNH Marker) Test in Prayagraj ?
What is CD55 (PNH Marker)?
The CD55 (PNH Marker) test measures the amount of CD55 protein on red blood cells. CD55 helps protect blood cells from the body's complement system, which can destroy cells if unchecked. Physical examination provides clues; a test result removes ambiguity and allows targeted, evidence-based management to begin promptly.
What does CD55 (PNH Marker) measure?
Low or absent CD55 is a hallmark of paroxysmal nocturnal hemoglobinuria (PNH). Detecting reduced CD55 helps explain unexplained anemia, dark urine, and unusual blood clots. Doctors use this test with other markers, like CD59, usually by flow cytometry. It helps confirm a PNH diagnosis, estimate the size of the affected cell population, and monitor response to treatments that block complement activity.
What symptoms suggest CD55 (PNH Marker) may be needed?
CD55 (PNH Marker) is ordered when your doctor needs objective laboratory data, either to follow up a symptom, check a previous result, or complete a routine assessment. Your doctor will advise whether it is the right test for your situation. If you have these symptoms, You can book online for Prayagraj, and check home-collection availability for Karelabagh, Phaphamau or your own address during booking.
How is CD55 (PNH Marker) performed?
No needle is involved. For home service in Karelabagh or Phaphamau, Prayagraj, GetVisit delivers a sterile container, you provide a clean mid-stream urine sample, and a certified agent collects and transports it to the NABL lab under proper conditions. Your report appears in the GetVisit app when results are authorised.
How accurate is CD55 (PNH Marker)?
GetVisit's NABL-accredited labs serving Karelabagh and Phaphamau, Prayagraj process urine samples on calibrated analysers under strict quality control. Accuracy depends on a clean mid-stream sample delivered promptly, so following the collection instructions is important. Reports are accepted by hospitals, specialists, and insurers across India.
Are there any risks to CD55 (PNH Marker)?
There is no medical risk. Providing a urine sample is completely non-invasive, with no needle and no discomfort. The only thing to get right is a clean collection: follow the container instructions to avoid contamination that could affect the result. Home collection in Karelabagh or Phaphamau, Prayagraj is just as safe as visiting a lab.
Did you know?
CD59 is a GPI‑anchored complement regulatory protein on blood cell membranes that prevents formation of the membrane attack complex (C5b-C9).
CD55 (PNH Marker) Test Preparation in Prayagraj
Before you come:
Collect a clean-catch mid-stream sample in the container provided, ideally the first urine of the morning, and hand it in promptly for the most reliable result.
Documents and clothing:
Bring your doctor's prescription, a valid photo ID, and your insurance card if you're using cashless OPD. Loose sleeves make collection easier.
Your medicines:
There's usually no need to stop your regular medication; just let the staff know what you take.
Booking your slot:
An early slot works best, especially for fasting tests. Home collection is available across Civil Lines, Dhoomanganj, and the rest of Prayagraj.
CD55 (PNH Marker) Test Parameters in Prayagraj
Single standalone test:
CD55 (PNH Marker). Can be ordered individually or as part of a preventive health package on GetVisit.
Why Take a CD55 (PNH Marker) Test in Prayagraj ?
When does a doctor order CD55 (PNH Marker)?
CD55 (PNH Marker) is usually ordered as part of a hemolysis or PNH flow cytometry panel that also checks CD59 and other markers. Doctors may request it for unexplained anemia, dark or cola-colored urine, or unusual blood clots.
Who should get CD55 (PNH Marker) done in Prayagraj?
Prayagraj's confluence geography and monsoon flooding, waterborne-infection burden, very large student population, widespread nutritional deficiency, and rising diabetes make regular preventive diagnostic testing worthwhile citywide. Adults above 30 in Prayagraj benefit from periodic health screening that includes CD55 (PNH Marker) as part of a broader preventive panel. Residents of Karelabagh, Phaphamau, and across the city with chronic conditions, those on long-term medication, and individuals with a relevant family history should test at the frequency their specialist recommends.
What conditions can CD55 (PNH Marker) help diagnose?
It helps diagnose and monitor paroxysmal nocturnal hemoglobinuria and related bone marrow disorders. Abnormal results come from loss of GPI-anchored proteins on blood cells due to acquired mutations and from disease activity; certain blood disorders or treatments can affect results. A family history of unexplained hemolysis or blood disorders may prompt testing.
What do CD55 (PNH Marker) results mean?
Results are interpreted in context, not in isolation. GetVisit shows your measured value next to the laboratory reference range, and your doctor reads it together with your clinical picture and any earlier results. See the FAQs below for what typical high or low values can mean for this test.
How often should CD55 (PNH Marker) 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 your CD55 (PNH Marker) 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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Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
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.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
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Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
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.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.