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Test ID NBLD0066 5 Hydroxyindoleacetic Acid, Urine

AKA

Serotonin

Container Type

Specimen container sterile

Specimen container non-sterile

Specimen Type/Requirements

Urine

Specimen Volume

10 mL

Minimum Volume

5 mL

Stability

Unpreserved Urine

Room Temperature: NA
Refrigerated: NA
Frozen: Only

 

Preserved Urine

Room Temperature: 7 days

Refrigerated: 30 days

Frozen - 30 days

 

 

Interfering Substances

Hemolysis: NA
Lipemia: NA

Transport Temperature

Refrigerated

Instructions

Patient should avoid food high in indoles: avocado, banana, cantaloupe, dates, eggplant, grapefruit, honeydew melon, kiwi fruit, melons, pineapple, plums, tomato and tomato predicts, any nuts including butternuts, hickory nuts, pecans, and walnuts.

 

Patient should also avoid alcohol and tobacco products, including nicotine patch and supplemental products.

 

Patient should also avoid caffeinated food and beverages including chocolate, tea, coffee and soft drinks.

 

Patient should avoid acetaminophen (Tylenol), aspirin and aspirin containing products, antihistamines, cough syrups containing expectorant, cold and flu medications and L-dopa. Contact your health care provider before discontinuing ANY medications.

 

Adjust pH after collection to a pH below 3 with Boric Acid.

 

Urine without preservative is acceptable, if pH is below 6 and shipped frozen.

 

Serotonin Patient Instructions English

Serotonin Patient Instructions Spanish

 

Performed Test Frequency

Monday through Friday

Methodology

HPLC ED

Performing Lab

Quest Chantilly

CPT

83497

Analytical Time

2 days