OXALATE, URINE
Marquette General Health System
HLAB/HOL Code |
OX | |
MGH LIS Test No |
710 | |
Schedule |
Daily | |
Testing Time |
1 day | |
Testing Lab |
Mayo Labs | |
QORR Test Code |
OX | |
Type |
||
Volume |
||
Temperature |
Refrigerate | |
Preservative |
||
Collection Info |
1. Collect a 24-hour urine collection. 2. Add 30 mL of 6N HCL at end of 24-hour urine collection (within 4 hours of completion of collection). See "Urine Preservatives" in Special Instructions for multiple collections. 3. Adjust pH to 2.5-3.0 with 6N HCL and mix well before aliquot is taken. 4. Send 5.0 mL of acidified specimen in a plastic, 13-mL urine tube or a clean, plastic aliquot container with no metal cap or glued insert. (SPECIMEN COLLECTED OR SENT IN A CONTAINER WITH A METAL CAP IS NOT ACCEPTABLE.) 5. Send specimen refrigerated. NOTE: 1. Avoid taking large doses (>2.0 g orally/24 hours) of vitamin C during specimen collection. 2. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING. Urine Preservative Collection Options Note: The addition of preservative or application of temperature controls must occur within 4 hours of completion of the collection. Ambient: Yes Refrigerate: Yes Frozen: Yes 6N HCl: Preferred 50% Acetic Acid: Yes Na2CO3: No Toluene: Yes 6N HNO3: Yes Boric Acid: Yes Thymol: Yes |
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Clinical Utilities CPT Codes Reference Range
83945
The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.
0.11-0.46 mmol/specimen
The reference value is for a 24-hour collection. Specimens
collected for other than a 24-hour time period are reported in
units of mmol/L for which reference values are not established.
(Units for NIH)
9.7-40.5 mg/24 hours
Component Information
Additional Comments Questions or Comments email support@mgh.org
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