Test Code UHVA Homovanillic Acid (HVA), urine
Additional Codes
Epic EAP: LAB401
Epic Description: HOMOVANILLIC ACID, URINE
Synonym
HVA, 24 hour urine
HVA, random urine
Specimen Type
Urine, Timed
Specimen Required
Collection Container | Preferred Volume | Minimum Volume | |
---|---|---|---|
Preferred |
Timed urine container with no preservative |
Entire timed urine collection | Entire timed urine collection |
Alternate | Random urine collected in clean container with no preservative | 10.0 mL | 6.0 mL |
Instructions for Collection and Transport
Refrigerate urine during and after collection. Measure timed urine and record volume and collection time on label. Aliquot urine into a plastic vial. Transport aliquot from timed or random urine refrigerated on freeze packs. Refrigerate if holding overnight.
Aliquot Requirements
Urine
Optimum 10.0 mL
Minimum 6.0 mL
Performing Lab
Sendout Lab
Reference Lab: ARUP Laboratories, Referral code: 80422
Assay Frequency
Tuesday – Sunday
Routine Turnaround Time
2 days, excluding weekends and holidays.
CSR Storage Requirements
Measure timed urine and record volume and collection time on label. Aliquot urine into a plastic vial. Refrigerate if holding overnight.
CPT Code Information
83150
Patient Preparation
Refer to Timed Urine Collection instructions. Have patient note exact collection period on collection container.