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Neutrophil Absolute Count (from Complete Blood Count)

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

This test measures the number of neutrophils, a type of white blood cell, in your blood. Neutrophils help fight infections.

Quick summary

["Neutrophils are key defenders against bacterial infections and help identify inflammation or infection in your blood."]

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

Key facts at a glance

LOINC
30462-6
Short code
Granulocytes NFr Ur
Synonyms
Granulocytes NFr Ur
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may order this test to check for infections, inflammation, or other blood-related conditions. It’s often included in a routine Complete Blood Count (CBC) test, which also measures other blood components like red blood cells and platelets.

What to Expect Before the Test

No special preparation is needed for this test. It’s typically done by taking a small blood sample from your arm, usually at a lab or your doctor’s office. The process is quick and usually painless.

What the Results Mean

Results show the number of neutrophils in your blood. Low levels may indicate infection, bone marrow disorders, or certain medications. High levels can suggest infections, inflammation, or other health issues like autoimmune diseases.

Common Conditions Monitored

This test helps diagnose or monitor conditions such as infections (especially bacterial), inflammatory diseases, leukemia, or other blood disorders. It’s also useful in assessing how your body responds to treatments.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Neutrophils play a critical role in fighting bacterial infections. Abnormal counts can signal underlying health concerns that require further evaluation by your healthcare provider.

Short name

Neutrophil Count

Frequently asked questions

What causes low neutrophil counts?
Low neutrophil counts (neutropenia) can result from infections, certain medications, autoimmune diseases, or conditions affecting bone marrow production of blood cells. Severe cases may require medical attention to prevent infections.
What are the typical symptoms of abnormal neutrophil levels?
Symptoms of low neutrophils may include frequent or severe infections, fatigue, or easy bruising/bleeding. High neutrophil counts might cause fever, weight loss, or swollen lymph nodes, though many people have no symptoms.
How often should I get this test?
The frequency depends on your health condition. Your doctor may order it periodically if you have ongoing health issues like chronic infections, autoimmune diseases, or cancer. Follow their guidance for scheduling.
  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