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Histamine Determination Blood Test

The Histamine Determination Test is used to measure histamine levels in the blood.
Sample Report

Test Code: 144600

Also Known As: Histamine Plasma

Methodology: Enzyme immunoassay (EIA)

Preparation: No fasting required. Avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection. Check with physician before stopping any medications.

Test Results: 7-10 days. May take longer based on weather, holiday or lab delays.

Sample Report

Test Code: 36586

Also Known As: Histamine Plasma

Methodology: Enzyme Immunoassay (EIA)

Preparation: No fasting required. Avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection. Check with physician before stopping any medications.

Test Results: 5-7 days. May take longer based on weather, holiday or lab delays.

Description

Histamine is a substance that is produced by the body as part of an allergic reaction. Histamine levels can be increased in people with mastocytosis, a disorder which affects various organs and may cause symptoms to an allergic reaction. Other factors such as eating histamine rich foods and being deficient in minerals such as magnesium can also contribute to elevated histamine levels.

Histamine tests are sometimes ordered when a person has symptoms that suggest anaphylaxis, especially when the diagnosis is not clear and/or the symptoms are recurrent. Symptoms of anaphylaxis include:

  • Difficulty breathing, wheezing
  • Flushing
  • Itching, often with visible hives
  • Light-headedness or dizziness
  • Low blood pressure
  • Swelling of the throat, face, tongue, and/or eyes

Many of these symptoms are also seen with other conditions.

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