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Homovanillic acid (HVA), timed urine

Lab Section:  Sendout Reference  
Lab Location:  Sendout
Reference Lab: ARUP 
Test ID: LAB3120 
Methodology: Quantitative High Performance Liquid Chromatography
Schedule: Sunday, Tuesday-Saturday
Reported: 7 days
Specimen Requirements:  Collection: 5.0 mL Urine in a 24 Hr Urine Container.
Pediatric volume: 2 mL.
Abstain from medications for 72 hours prior to collection. 24-hour or random urine. Refrigerate 24-hour specimens during collection. Record total volume and collection time interval on transport tube and test request form.
Transport: Refrigerated..
Unacceptable conditions: Specimen types other than urine.
Stability: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 2 weeks
Reference Interval:  See patient report or consult reference laboratory website.
CPT Code(s): 83150
Last Changed: 11/11/2016 09:42:13
Last Reviewed: 12/22/2016 01:42:30