Oxalate/Creat Ratio, Random U
Test ID:
703067
CPT code:
83945, 82570
Synonyms:
Oxalate:Creatinine Ratio, Random Urine
Specimen Type:
Urine (random)
Requested Volume:
10 mL
Minimum Volume:
2.5 mL
Container Type:
Use random urine transport tube or urine Monovette® with pH stabilizer.Monovette® instructions accompany units.
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:
Collect urine and transfer to a random urine transport tube or urine Monovette® with pH stabilizer
Storage Instructions:
Maintain acidified urine at room temperature. Acid prevents crystallization and conversion of ascorbate (vitamin C) to oxalate.
Stability Requirements:
Temperature |
Period |
---|---|
Room temperature |
7 days |
Refrigerated |
7 days |
Frozen |
14 days |
Freeze/thaw cycles |
Stable x3 |
Rejection Criteria
Urine sample received with a pH not ≤3 from a patient on high doses of vitamin C
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MCI Diagnostic
Providing top patient care with fast results.
7018 South Utica Avenue
Tulsa, Oklahoma 74136
Hours of Operation
Mon - Sat: 7 AM-11 PM
Sun: 7 AM-3 PM
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