Test Overview

Test Methodology

Enzyme-Linked Immunosorbent Assay

Test Usage

Aid in evaluation of patient with allergic signs and symptoms, such as anaphylaxis; may assist in diagnosing and monitoring of mast-cell activation disorders.

Reference Range*

180 - 1800 nmol/L

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Monday, Thursday

Analytic Time

3 - 12 days

Soft Order Code


MiChart Code

Histamine, Whole Blood



Laboratory Reference

Mayo FHSTW (57368) (ARUP 0070037)

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Specimen Requirements

Normal Volume

1 mL whole blood

Minimum Volume

0.5 mL whole blood

Additional Information

Test sent to Mayo Medical Laboratories; performed by ARUP Laboratories.

Billing Information

Fee Codes

CPT Code




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