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Pregnanetriol
| Item | Value | ||||
|---|---|---|---|---|---|
| Approval req'd? | No | ||||
| Available Stat? | No | ||||
| Test code | PRTL | ||||
| Performed by | Quest | ||||
| Sendout? | Yes | ||||
| Method | GCMS | ||||
| Collection Instructions | Refrigerate collection container during collection. | ||||
| Container type | 24 hour urine collection container Click here for Urine Preservative Requirements |
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| Amount to Collect | Entire 24 hour urine output | ||||
| Sample type | 24 hour urine collection | ||||
| Preferred volume | 5 mL urine | ||||
| Min. Volume | 3 ml urine | ||||
| UCSF Rejection Criteria | Container not refrigerated during collection. | ||||
| Processing notes | Freeze aliquot at -20C and transport frozen. Order Quest #7625N | ||||
| Units | µg/24 hours (mcg/24 hours) | ||||
| Normal range |
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| Stability | Room temperature 8 hours, refrigerated 48 hours, frozen at -20C 1 month. | ||||
| Turn around times | Test run Tuesday. Turnaround time: 4-9 days | ||||
| Additional information | Pregnanetriol concentrations are elevated in 21-hydroxylase deficiency, the most common cause of congenital adrenal hyperplasia (CAH). Pregnanetriol concentrations may be useful in monitoring treatment of patients with 21-hydroxylase deficiency. | ||||
| CPT coding | 84138-90 | ||||
| LOINC code | 2836-5 | ||||
| Last Updated | 3/24/2013 7:52:25 PM | ||||
| Entry Number | 778 |
If you have additional questions regarding this test, please call: 415-353-1667