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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 that helps fight infections.

Quick summary

["Neutrophils protect your body from bacterial infections."]

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

Key facts at a glance

LOINC
73016-8
Short code
Gabapentin (neut) IgG SerPl Ql FC
Synonyms
Gabapentin (neut) IgG 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
CPT
82784
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 This Test Is Done

Doctors may order a neutrophil count to check for infections, monitor immune function, or evaluate conditions like blood disorders, autoimmune diseases, or certain cancers. It can also help assess how your body responds to treatments.

What to Expect Before the Test

No special preparation is needed. You may have a blood sample drawn from a vein in your arm, similar to other routine blood tests.

What the Results Mean

Results are typically reported as a count of neutrophils per microliter (µL) of blood. While reference ranges vary by lab, abnormally high or low counts may signal underlying health issues.

Common Conditions Affecting Neutrophils

High neutrophil counts (neutrophilia) can occur with infections, stress, or certain medications. Low counts (neutropenia) may indicate immune deficiencies, chemotherapy side effects, or other systemic conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Neutrophils are critical for combating bacterial infections. Elevated levels often point to acute bacterial infections, while persistently low levels may signal conditions like autoimmune diseases or bone marrow disorders.

Short name

Neutrophil count

Frequently asked questions

What does a high neutrophil count mean?
A high neutrophil count often means your body is fighting an infection, responding to inflammation, or experiencing stress. It can also occur with certain medications or conditions like leukemia.
What does a low neutrophil count mean?
A low neutrophil count can make you more susceptible to infections. It may be due to treatments like chemotherapy, autoimmune diseases, or genetic disorders affecting your immune system.
How often should I get this test?
Your doctor will determine how often you need this test based on your health condition, treatment plan, or symptoms. Follow-up tests may be scheduled if you have ongoing concerns about infections or immune function.
  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