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HelpTest Code F11DX 11-Desoxycortisol
Specimen Required
Collection Container/Tube: Red-Top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Acceptable: SST
Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Serum must be separated from cells within 45 minutes of venipuncture. Spin down and send 1 mL of serum frozen in a plastic vial.
Method Name
Liquid chromatography/tandem mass spectrometry (LC/MS-MS) after chromatography and solvent extraction.
Reporting Name
11-DesoxycortisolSpecimen Type
SerumSpecimen Minimum Volume
0.2 mL (Note: Minimum volume does not allow for repeat analysis)
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | |
| Ambient | 72 hours | |
| Refrigerated | 72 hours | |
Reject Due To
| Thawing** | Warm OK ≤72 hours; Cold OK ≤72 hours |
| Other/Tissue/Swab | Specimens other than serum or plasma EDTA or green-top heparin |
Reference Values
|
Age |
Range (ng/dL) |
|
Premature (26 - 28 weeks) Day 4 |
110-1376 |
|
Premature (31 - 35 weeks) Day 4 |
48-579 |
|
Newborn Day 3 |
13-147 |
|
Newborn 1 to 11 months |
<10-156 |
|
Prepubertal 8 AM |
20-155 |
|
Prepubertal Children and Adults 8 AM |
12-158 |
Performing Laboratory
Esoterix EndocrinologyCPT Code Information
82634