Last Modified: 2/19/2020 12:13:04 PM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation: Avoid direct sunlight. Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours before collection.
Specimen Requirements: 1.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
Collection Instructions: Avoid Hemolysis

Centrifuge & freeze plasma immediately.
Minimum Volume: 0.2 mL
Transport & Storage: Temperature/Stability:

7 days Frozen

Rejection Criteria: Lipemic and hemolyzed specimens; Ambient or refrigerated specimens
Reference Range: < or = 1.8 ng/mL 
Critical Ranges:  
Test Comments: Results 2.2 ng/mL or less may include individuals with mild elevation of histamine due to limits of sensitivity of assay.
Methodology: Enzyme Immunoassay
Clinical Significance:  
Custom Panel: No


Turn Around Time: 1 to 5 days
Days Performed: Tuesday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: HISTB
EPIC Test Code: LAB1033
Send Out Test Code: 36586
Alternate Test Names: Histamine, Plasma
Included Tests:  
CPT Coding: 83088

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