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Laboratory Test Directory
Pregnenolone (Updated)
Components
| Name | Method | Department | Units |
|---|---|---|---|
| Pregnenolone |
High performance liquid chromatography or LC Tandem Mass spectrometry |
Send Out | ng/dL |
Specimen Requirements
Plasma Spun, Serum Spun
| Container Type | Container Size | Specimen Volume |
|---|---|---|
PreferredRed tube, (no anticoagulant), No Gel |
6 mL | 2.5 mL |
AlternateGold tube, (SST) with Gel |
6 mL | 2.5 mL |
AlternatePurple tube (EDTA) |
6 mL | 2.5 mL |
Stability
Room temperature - 4 hour(s)
Refrigerated - 2 day(s)
Frozen - 24 month(s)
Specimen Preparation
- Centrifuge within 1 hour, separate supernatant and freeze
Serum Spun
| Container Type | Container Size | Specimen Volume |
|---|---|---|
PreferredRed tube, (no anticoagulant), No Gel |
6 mL | 2.5 mL |
AlternateGold tube, (SST) with Gel |
6 mL | 2.5 mL |
Stability
Refrigerated - 2 day(s)
Frozen - 24 month(s)
Room temperature - 4 hour(s)
Specimen Preparation
- Centrifuge within 1 hour, separate supernatant and freeze
Comments
Serum must be separated from cells within 1 hour of collection.
CPT Code
- 84140