3310UR 5-Hydroxyindoleacetic Acid Urine Random

Components
NAME METHOD REFERENCE RANGE UNITS
5-Hydroxyindoleacetic Acid Random Urine HPLC  By Report  mg/L 
5-HIAA/Creatinine Ratio CALC  view ref range  mg/g creat 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Urine 3 (2) mL   Refrigerated - 7 Day(s), Frozen - 2 Month(s) See COLLECTION INSTRUCTIONS 


Clinical utility
Diagnose carcinoid tumors and syndrome; evaluate cyanosis, liver enlargement, cardiac disease involving pulmonic valve, obstructive findings involving gastrointestinal tract, especially small intestine; diagnose adult celiac disease, in such applications, commonly ordered with indican. Moderate elevations have been described with Whipple's disease.


Collection Instruction
Patients should abstain, if possible, from medications,
over-the-counter drugs and herbal remedies for at least 72 hours
prior to collection. Patients should not eat avocados, bananas,
eggplant, pineapple, plums, tomatoes or walnuts for a 48 hour
period prior to start of collection.
Adjust pH to 2 - 4 with acetic or hydrochloric acid after collection.


Reported: Same day

CPT Code: 83497

Notes: Also available 5-Hydroxyindoleacetic Acid 24 hour Urine, #3310U.