Skip to content

Neutrophil Band Count in Fluid (Manual Count)

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

This test measures the number of immature white blood cells called neutrophil bands in a fluid sample, such as blood or cerebrospinal fluid, using a manual microscopic count method.

Quick summary

["Assesses immature white blood cells for conditions affecting infection or inflammation."]

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

Key facts at a glance

LOINC
40572-0
Short code
Neuts Band # Fld Manual
Synonyms
Neuts Band # Fld Manual
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
manual-count
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 Is This Test Done?

Doctors may order this test to evaluate immune function, diagnose infections, or monitor conditions like sepsis, leukemia, or other blood disorders. It helps determine if your body is producing enough immature neutrophils to fight infections effectively.

What to Expect Before the Test

No special preparation is needed unless instructed by your healthcare provider. If the sample is blood, you may need to fast or avoid certain medications. If it’s cerebrospinal fluid, you might have a spinal tap procedure first.

What Happens During the Test?

A small sample of fluid (e.g., blood or spinal fluid) is taken and examined under a microscope by a trained technician. The technician counts the number of neutrophil bands, which are immature white blood cells.

What Are Normal Results?

Normal results vary widely depending on the fluid type and clinical context. Your results will be compared to your healthcare provider’s expectations based on your medical history and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

High neutrophil band counts may indicate acute infections, inflammation, or certain blood cancers. Low counts could suggest immune deficiencies, severe infections, or medications affecting white blood cell production. Always discuss results with your doctor.

Short name

Neutrophil Bands (Manual)

Frequently asked questions

What causes elevated neutrophil bands?
Elevated neutrophil bands are often seen in infections (like bacterial infections), severe inflammation, or conditions like leukemia. They may also appear after stress or trauma.
What does a low neutrophil band count mean?
Low neutrophil bands can signal immune system problems, severe infections, or medications that suppress white blood cell production. Your doctor may check for underlying causes like autoimmune diseases or bone marrow disorders.
Can diet affect neutrophil band counts?
Diet alone rarely affects neutrophil band counts, but certain foods or supplements might interact with medications used to treat blood disorders. Always follow your doctor’s advice regarding diet and test timing.
  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