Band forms (bands)

Bands are immature neutrophils. This lab test can be used to help determine if you have an infection.

Band forms (bands) Overview

Reviewed: April 22, 2014
Updated: 

Neutrophils are the most abundant type of white blood cells in the body. Bands are immature neutrophils.

Bands are measured as a percentage. The normal range for bands is 0-5%.

 

Technique

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Blood draw

Preparation

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Fasting is not required before the test

What the results mean

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When levels are higher than normal, it is usually due to a severe infection. It indicates that your body is trying to fight off an infection.