| Test Code |
Procedure |
| 500218 |
Homovanillic Acid (HVA), Urine
(Includes Creatinine) |
|
| CPT Code |
| 83150, 82570 |
| Specimen Requirement |
| Recommended: 50 mL aliquot of a frozen well-mixed 24-hour urine. Collect urine in plastic bottle containing 25 mL 6N HCI, indicate 24-hour volume. Patients should be instructed to avoid direct contact with collection bottles or bags containing preservatives, especially hydrochloric acid. Collection instructions: Patients should be given two containers; one bottle containing 6N HCI should be used for pooling voids over 24 hour collection period. Additional bottle should be used for each void, and poured into pooling bottle immediately following void. Store and ship frozen. |
| Pediatric Minimum |
| 10 mL aliquot of a well-mixed 24-hour urine containing 6N HCl. |
| Methodology |
Performing Location |
| HPLC Tandem Mass Spectrometry, Jaffe Reaction, Colorimetric |
Endocrine Sciences |
| Assay Schedule |
Result Turnaround Time |
| M,Tu,Th |
2 - 7 days |
|
PLEASE NOTE: CPT codes are to provide guidance. These codes are subject to change on a regular basis and it is the client’s responsibility to verify accuracy of the codes listed. You should refer to the most current version of the CPT coding manual published by the American Medical Association to resolve any issues.
*** Indicates assay performed by third party reference laboratory.
Assay Schedule: The specific day a specimen must be received in order to make the soonest available run. Please note the assay schedules are provided as general approximations for estimating turnaround times, but are subject to change without notice.
Result Turnaround Time: The ranges published for result turnaround time indicate the shortest possible turnaround time to the longest possible result turnaround time as determined by the assay schedule. Please note that the result turnaround times are provided as general approximations, do not include holiday closures and are subject to change without notice.
PLEASE NOTE: Test information on this website may not apply to Clinical Trials testing. If you have questions regarding Clinical Trials testing information please contact 877-788-8861, or visit the Clinical Trials website, www.esoterixtrials.com |
