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Neutrophil Filament Chain Mass Concentration (Serum/Plasma)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of neutrophil filament chains, a protein fragment released when white blood cells break down. It may be used to assess conditions affecting neutrophil function or inflammation.

Quick summary

["This test helps evaluate conditions linked to abnormal neutrophil activity or breakdown."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
100996-8
Short code
Nfl chain CSF-mCnc
Synonyms
Nfl chain CSF-mCnc
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms of infection, immune disorders, or conditions affecting white blood cells. It could also be part of a broader evaluation for chronic inflammatory diseases or certain blood disorders.

What to Expect Before the Test

No special preparation is typically needed. You may have a blood sample drawn from a vein in your arm, similar to other blood tests. If you’re on blood-thinning medication, let your provider know before the test.

What the Results Mean

Results are not standardized to specific reference ranges, as they depend on the clinical context. Elevated levels may suggest increased neutrophil activity or breakdown, while lower levels could indicate impaired neutrophil function. Your provider will interpret results in relation to your symptoms and medical history.

Common Conditions Monitored

This test may be used to monitor conditions like chronic granulomatous disease, certain autoimmune disorders, or infections where neutrophil dysfunction is suspected.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Neutrophil Filament Chain Level

Frequently asked questions

What does a high neutrophil filament chain level indicate?
A high level may indicate excessive neutrophil activation or breakdown, potentially linked to infections, inflammation, or certain immune disorders. Your provider will consider this alongside other test results and symptoms to guide diagnosis.
How often will I need this test?
Frequency depends on your medical condition and treatment plan. Some patients may need this test periodically to monitor progression or response to treatment, while others may only need it once.
Can lifestyle changes affect this test result?
While diet or exercise may influence overall immune function, there’s no direct evidence that lifestyle changes specifically alter neutrophil filament chain levels. Always follow your provider’s advice for managing any underlying condition.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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