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What is a PAROXYSMAL NOCTURNAL HEMOGLOBINURIA (PNH) CONFIRMATORY TEST?

Paroxysmal Nocturnal Hemoglobinuria (PNH) confirmatory test is a specialized diagnostic test used to detect abnormal blood cells lacking protective surface proteins, which makes them vulnerable to destruction by the immune system. This rare condition can lead to anemia, blood clots, and organ damage. The test is performed to confirm the presence of PNH by identifying these defective cells, helping doctors establish an accurate diagnosis and guide appropriate treatment for patients with suspected PNH.

Additional Information

Also known as/ Other names: PNH Confirmatory Flow Cytometry, PNH Flow Cytometry Test, Paroxysmal Nocturnal Hemoglobinuria Panel, CD55/CD59 PNH Assay
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: No prior preparation is needed
Reports: 2 days

FAQs

Why is the PNH test important?

It helps establish a definitive diagnosis, guiding doctors to provide appropriate treatment and monitor complications like anemia, blood clots, and organ damage.

Who should undergo the PNH confirmatory test?

Patients with unexplained anemia, recurrent blood clots, or hemoglobin in urine are often recommended to undergo this test.

Can the test detect early stages of PNH?

Yes, flow cytometry can detect even small populations of abnormal cells, making it useful for early diagnosis.

Is the test used for monitoring treatment?

Yes, it helps track disease progression and response to therapies like eculizumab or ravulizumab.

Can PNH be detected through routine blood tests?

Routine tests may show anemia, but only specialized confirmatory tests can diagnose PNH accurately.

Is genetic testing part of PNH diagnosis?

PNH is acquired, not inherited, so genetic testing is not typically required for diagnosis.

Does the test differentiate PNH from other anemias?

Yes, it specifically identifies defective cells, distinguishing PNH from other causes of anemia.

Can children undergo the PNH test?

Yes, though rare in children, the test can be performed safely when symptoms suggest PNH.

What happens if the test is positive?

Doctors confirm PNH and discuss treatment options, including supportive care and targeted therapies.

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