What is the normal range for Basophils %?

Typical adult ranges are shown on this page in %. The reference range printed on your own lab report takes precedence, because ranges differ between laboratories and methods.

Labwise › Tests › Complete blood count (CBC)

Basophils %%

Basophils are the least common white blood cells and take part in allergic responses. This is their share of all white cells.

See your own Basophils % on its range.

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What Basophils % measures

Basophils are the least common white blood cells and take part in allergic responses. This is their share of all white cells.

If your Basophils % is low

A low share of basophils is typical.

Worth asking your clinician: Only alongside other CBC questions.

If your Basophils % is high

A higher share of basophils is uncommon and sometimes seen with allergic reactions or some chronic conditions.

Commonly associated with

Allergic reactions
Chronic inflammation
Thyroid function

Worth asking your clinician: Whether the absolute basophil count is elevated.

Typical reference range

Group	Typical range
Adults	0 – 1 %

Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.

If it is within range

The share of basophils among your white cells is typical.

Also listed as

Basos, Basophils, Basos %

Related tests

This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.