Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

VMA 24 HOUR URINE

ORDERING INFORMATION:
Sunquest Test Code:
VMA24      Geisinger Epic Procedure Code: 84585.02         Geisinger Epic ID: 14452

SPECIMEN COLLECTION
Specimen type:
24-hour urine collected with 25 mL 6N HCl (preferred)
Preferred collection container:
Alternate Collection Container:
24-hour urine container (no preservative)
Specimen required:
10 mL from 24-hour urine collection in urine bullet; minimum 5 mL
Patient preparation:
Patient should avoid alcohol, coffee, tea, tobacco (including use of nicotine patch), bananas, citrus fruits and strenuous exercise prior to collection. It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference.

SPECIMEN PROCESSING
Specimen processing instructions:
Lab personnel (to be determined per site) will test the pH of the urines and adjust to less than 3.0 using 6N HCl before Referred Testing ships the specimen. Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen. Record 24-hour urine volume and patient's age on test request form and urine vial. 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 10 days. Refrigerated: 14 days. Frozen: 1 year.

TEST DETAILS
CPT code(s):
82570, 84585
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Creatinine
Methodology:
High Performance Liquid Chromatography (HPLC)
Synonyms:
Quest test code 14555, Vanillylmandelic Acid
Clinical significance:
Urinary vanillylmandelic acid is useful in diagnosing neuroblastoma, one of the most common tumors in the pediatric population

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday-Friday morning.    
Performed stat? No
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