Neutrophil Membrane-Associated Antigen (CD177) by Immunoassay (Plasma/Serum)
This test measures a protein found on the surface of certain white blood cells called neutrophils. It helps evaluate immune function and may be used in conditions involving chronic inflammation or infections.
["Assists doctors in diagnosing and monitoring immune-related conditions."]
Key facts at a glance
- LOINC
- 105286-9
- Short code
- Neutrophil membrane Ab SerPl Ql FC
- Synonyms
- Neutrophil membrane Ab SerPl Ql FC
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- flow-cytometry
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may order this test if you have symptoms like persistent infections, unexplained fevers, or conditions like chronic granulomatous disease or certain autoimmune disorders. It can also be part of routine monitoring for patients with known immune deficiencies.
What Does the Test Measure?
The test detects the presence of CD177, a protein unique to neutrophils. Elevated levels may indicate an active immune response or certain genetic disorders affecting neutrophil function.
Sample Collection and Preparation
A blood sample is drawn from a vein, usually in your arm. The blood is processed to separate plasma or serum, which is then tested for CD177 using an immunoassay method. This process typically takes a few minutes, and the sample is sent to a lab for analysis.
What to Expect Before the Test
No special preparation is usually needed, but inform your provider about any medications you’re taking, especially blood thinners or steroids, which could affect test results.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test can help identify underlying immune system issues, such as defects in neutrophil function, which may lead to recurrent infections. It may also be used to monitor treatment responses in patients with chronic inflammatory conditions.
Short name
Neutrophil Membrane Antigen Test
Frequently asked questions
What are the normal results?
Can this test be done at home?
How long does it take to get results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy