Histamine, 24-hour Urine

Last Modified: 3/27/2019 3:40:56 PM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation: Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances that block H2 receptors for at least 24 hours before specimen collection.
Specimen Requirements: 4.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
Collection Instructions:

1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container. 
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container. 
4. Urine Specimen should be kept refrigerated during and after collection. 

For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D

Minimum Volume: 2.0 mL
Transport & Storage: Temperature/Stability:

48 hours Ambient
14 days Refrigerated (Preferred)
14 days Frozen

Reference Range: 0.006 - 0.131 mg/24 hrs
Critical Ranges:  
Test Comments:  
Methodology: Radioimmunoassay
Clinical Significance:  
Custom Panel: No


Turn Around Time: 6 to 8 days
Days Performed: Tuesday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: HSTUR
EPIC Test Code: LAB2503
Send Out Test Code: 15869 / 4946X
Alternate Test Names: Histamine, Urine
Included Tests:  
CPT Coding: 83088

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