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7-Dehydrocholesterol
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | DHC7 |
| Performed by | Quest |
| Sendout? | Yes |
| Method | GCMS |
| Container type | Lavender top (Green top accceptable) |
| Amount to Collect | 2 mL blood |
| Sample type | EDTA Plasma |
| Preferred volume | 1 mL plasma |
| Min. Volume | 0.1 mL plasma |
| Processing notes | Freeze at -20C. Ship frozen to China Basin. Order Quest # 17664X |
| Normal range | See Additional Information |
| Synonyms | Smith-Lemli-Opitz syndrome; Dehydrocholesterol,7- |
| Stability | Room temperature unacceptable, refrigerated 48 hours, frozen at -20C indefinite. |
| Turn around times | Batched 1-2 times per week. Turnaround 7-14 days |
| Additional information | Deficiency of 7-dehydrocholesterol reductase leads to accumulation of this compound in Smith-Lemli-Opitz Syndrome. This laboratory is not eligible for MediCal reimbursement. Specimens on MediCal patients must be charged either to a budget account or paid for in advance in cash. |
| CPT coding | 82542-90 |
| LOINC code | 33275-9 |
| Last Updated | 10/2/2010 11:51:43 AM |
| Entry Number | 293 |
If you have additional questions regarding this test, please call: 415-353-1667