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Citrate, 24 hour urine
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | CITU |
| Test group | Citrate |
| Performed by | Quest |
| Sendout? | Yes |
| Method | Spectrophotometric, enzymatic |
| Collection Instructions | Refrigerate container before and after collection. Instruct patient to NOT include first morning specimen at the beginning of the collection, DISCARD, begin to collect all subsequent voiding until the same time the next morning, INCLUDE the first morning specimen at the end of the 24 hour. collection. Submit specimen to Laboratory for processing |
| Container type | 24 hour urine collection container Click here for Urine Preservative Requirements |
| Amount to Collect | Entire 24 hour urine output |
| Sample type | 24 hour urine collection |
| Preferred volume | 10 mL urine |
| Min. Volume | 2 mL urine |
| UCSF Rejection Criteria | Container not refrigerated during collection |
| Processing notes | Record total volume collected on request. Mix collection well, aliquot 10 mL and refrigerate. Order Quest # 11315X. |
| Units | mg/24 h |
| Normal range | 100-1300 mg/d |
| Synonyms | Citric acid |
| Turn around times | Test run Tuesday-Saturday. Turnaround time: 2-5 days |
| LOINC code | 6687-8 |
| Last Updated | 3/24/2013 7:47:40 PM |
| Entry Number | 215 |
If you have additional questions regarding this test, please call: 415-353-1667