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Register NowOxalate:Creatinine Ratio, Random Urine
Create a Free Account to View PricesTurnaround Time: 3 - 7 days
CPT Code:
83945, 82570
Test Type: 10 mL Urine (random)
Stability Time:
|
Temperature |
Period |
|---|---|
|
Room temperature |
7 days |
|
Refrigerated |
7 days |
|
Frozen |
14 days |
|
Freeze/thaw cycles |
Stable x3 |
Overview:
Collection Details:
Patient Preparation:
Avoid vitamin C supplements and vitamin C-rich foods (eg, citrus fruits like oranges, orange juice; vegetables like broccoli, tomatoes, peppers, potatoes) for 48 hours prior to collection.
Collection Instructions:
State patient's age and sex on the test request form and the specimen container. Specimens submitted without preservative should be acidified after receipt to pH ≤3 with 6N HCl prior to aliquoting.
Use random urine transport tube or urine Monovette® with pH stabilizer (LabCorp N° 56015). Monovette® instructions accompany units.
Collect urine and transfer to a random urine transport tube or urine Monovette® with pH stabilizer (LabCorp N° 56015).
Maintain acidified urine at room temperature. Acid prevents crystallization and conversion of ascorbate (vitamin C) to oxalate.