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Test ID NBLD0066 5 Hydroxyindoleacetic Acid, Urine

AKA

Serotonin

Specimen Type/Requirements

Sterile or non-sterile specimen container - Urine

 

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

Specimen Volume

 

Preferred Volume   10.0 mL  
Minimum Volume   5.0 mL  

 

Stability/Transport

 

  Unpreserved Urine   Preserved Urine    
Room Temperature   Unacceptable   7 days    
Refrigerated   Unacceptable   30 days   Preferred for transport  
Frozen   Only 30 days   if Unpreserved - preferred for transport 

 

 

Performed Test Frequency

Monday through Friday

Methodology

HPLC ED

Performing Lab

Quest Chantilly

CPT

83497

Analytic Time

2 days

Interface Build Information

Result Code  Result Code Description  
5616 5-HIAA Urine