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Neutrophil count (absolute)

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 protect your body from infections; low or high counts may signal health concerns.

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

Key facts at a glance

LOINC
95843-9
Short code
Neutrophils NFr Spt Manual
Synonyms
Neutrophils NFr Spt Manual
Category
chemistry
Sample
sputum
Container
Sterile sputum container
Units
N/A
Ref low
0.8
Ref high
1.2
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
manual-count
CPT
85610
SNOMED
396252006
Specimen volume
3-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may order this test to check for infections, blood disorders, or immune system issues. It can also help monitor conditions like leukemia, autoimmune diseases, or chronic infections.

What to Expect Before the Test

No special preparation is needed. You’ll have a small needle inserted into your arm or hand to draw a blood sample. The process usually takes a few minutes.

What Happens During the Test?

The blood sample is sent to a lab, where it is analyzed to count the number of neutrophils. The result helps determine if your immune response is functioning as expected.

What Are Common Results?

Results are reported as a count of neutrophils per microliter of blood. While reference ranges vary by lab, very low counts may indicate infection, inflammation, or immune dysfunction, while very high counts could signal infection or other conditions.

Reference range

INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A

Specimen: sputum

Inform your healthcare provider if you are taking blood thinners. No special preparation required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Absolute Neutrophil Count (ANC)

Frequently asked questions

How often do I need this test?
This test is often done as needed, depending on your symptoms or medical condition. Your doctor may recommend it periodically if you have an ongoing health issue, such as cancer, autoimmune disease, or frequent infections.
What if my results are outside the normal range?
If your neutrophil count is low, you may be more prone to infections. If it’s high, it could signal an infection or other health problems. Your doctor will discuss your results and next steps with you.
Can I eat or drink before this test?
You can eat and drink normally before this test unless your doctor instructs otherwise. No fasting is required.
  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