Medical Necessity Documentation:
Client Notes:
Patient Preparation:
It is preferable for the patient to be off medications for 3 days before specimen collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco (including use of nicotine patch), bananas, citrus fruits, and strenuous exercise before collection.
Specimen Requirements:
10.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
Collection Instructions:
1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provide container. DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container.
4. Urine Specimen MUST be kept refrigerated during and after collection.Shipped frozen AND pH must be < or = 6.
24hr Urine Volume & patients age on the order and the urine container.
Minimum Volume:
5.0 mL Urine
Transport & Storage: Temperature/Stability:
10 days Ambient
2 weeks Refrigerated
1 year Frozen
Unpreserved Urine
30 days Frozen
Rejection Criteria:
preserved urine pH > 3.0; Unpreserved urine received frozen w/ pH >6; Unpreserved Ambient/Refrigerated urine is acceptable
Reference Range:
Critical Ranges:
Test Comments:
Methodology:
HPLC; Electrochemical Detection
Clinical Significance:
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
2 to 6 days
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed:
Quest - Chantilly
PHL Test Code:
VMA
EPIC Test Code:
LAB452
Send Out Test Code:
22326
Alternate Test Names:
VMA (Vanillylmandelic Acid), 24-Hour Urine without; VMA, 24-hr Urine; VMA, 24-hr Urine, without creatinine
Included Tests:
CPT Coding:
84585