Neutrophil Membrane Protein (NMP) or Neutrophil Membrane-Associated Antigen (qualitative detection)
This test checks for specific proteins found on the surface of neutrophils, white blood cells that help fight infections.
["Helps assess immune function and detect certain blood disorders or infections."]
Key facts at a glance
- LOINC
- 105288-5
- Short code
- Neutrophil membrane Ab SerPl-Imp
- Synonyms
- Neutrophil membrane Ab SerPl-Imp
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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
What This Test Measures
Neutrophils are a type of white blood cell that play a key role in your body’s immune response. This test detects proteins unique to their cell membranes, which can be altered in conditions like infections, autoimmune diseases, or certain blood disorders. The presence or absence of these proteins helps healthcare providers evaluate neutrophil function and overall immune health.
Why It Might Be Ordered
Your doctor may recommend this test if you have symptoms like frequent infections, unusual fatigue, or signs of an immune system issue. It could also be used in research or specialized diagnostic scenarios where detailed neutrophil analysis is needed.
Sample Collection and Preparation
A blood sample is drawn from a vein, usually in your arm. The sample is processed to isolate neutrophils, and the test detects specific proteins on their surface using advanced laboratory techniques.
What to Expect Before the Test
No special preparation is typically required. You may eat and drink normally, but inform your doctor about any medications or supplements you’re taking, as they could affect results.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Abnormal results may indicate conditions such as chronic infections, certain autoimmune diseases, or inherited blood disorders. For example, low or altered neutrophil membrane proteins could suggest impaired immune function or specific genetic conditions. Always discuss results with your healthcare provider for personalized interpretation.
Short name
Neutrophil Membrane Protein Test
Frequently asked questions
What does a positive or negative result mean?
How long will I need to wait for results?
Can this test be done at home?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy