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Oxalic acid, random urine
| Item | Value | ||||
|---|---|---|---|---|---|
| Available Stat? | No | ||||
| Test code | OXALR | ||||
| Test group | Oxalate | ||||
| Performed by | Quest | ||||
| Sendout? | Yes | ||||
| Method | Spectrophotometry | ||||
| Patient Preparation | Patient should refrain from eating chocolate, nuts, rhubarb, spinach, tea and vitamin C for 48 hours prior to collection. | ||||
| Container type | Urine cup | ||||
| Amount to Collect | 10 mL urine | ||||
| Sample type | Random urine | ||||
| Preferred volume | 10 mL urine | ||||
| Min. Volume | 2 mL urine | ||||
| Processing notes | Adjust pH to < 3.0 with 6 N HCl. Refrigerate aliquot at 4C. Order Quest test # 10456X | ||||
| Units | mg/g Creatinine | ||||
| Normal range |
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| Synonyms | Oxalate | ||||
| Stability | Acidified random urine: Room temperature 6 days, refrigerated 1 week, frozen at -20C 4 months | ||||
| Turn around times | Run 5x per week. Turnaround 3-5 days | ||||
| CPT coding | 82570-90, 83945-90 | ||||
| LOINC code | 13483-3 | ||||
| Last Updated | 3/24/2013 7:57:46 PM | ||||
| Entry Number | 1189 |
If you have additional questions regarding this test, please call: 415-353-1667