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Vitamin D, 1,25-Dihydroxy-
| Item | Value | ||||
|---|---|---|---|---|---|
| Approval req'd? | No | ||||
| Available Stat? | No | ||||
| Test code | VDHD | ||||
| Performed by | Quest | ||||
| Sendout? | Yes | ||||
| Method | Liquid chromatography, Tandem mass spectrometry | ||||
| Container type | Gold top | ||||
| Amount to Collect | 6 mL blood | ||||
| Sample type | Serum | ||||
| Preferred volume | 3 mL serum | ||||
| Min. Volume | 1.5 mL serum | ||||
| Processing notes | Freeze serum at -20C in plastic tube. Order Quest # 16493P. For B&T patients order LabCorp test # 081091 | ||||
| Ref Lab Rejection Criteria | If sample is submitted with < 1.1. mL and requires repeat the test will be canceled. | ||||
| Units | pg/mL | ||||
| Normal range |
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| Synonyms | DHD; calcitriol | ||||
| Stability | Room temperature 3 hours, , refrigerated 3 days, or frozen at -20C 1 year. | ||||
| Turn around times | Test performed 6x per week. Turnaround time: 9-10 days. | ||||
| CPT coding | 82652-90 | ||||
| LOINC code | 1649-3 | ||||
| Last Updated | 10/2/2010 11:52:47 AM | ||||
| Entry Number | 1001 |
If you have additional questions regarding this test, please call: 415-353-1667