Dexamethasone
Order Name
DEXAMETH
Test Number: 3621100
Revision Date 12/12/2022
Test Number: 3621100
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Dexamethasone
|
Mass Spectrometry (MS) | 14062-4 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 3 mL (1) | Serum | Clot Activator (Red Top, No-Gel) | Frozen |
| Alternate 1 | 3 mL (1) | Plasma | Sodium Heparin (Green Top / No-Gel) | Frozen |
| Alternate 2 | 3 mL (1) | Plasma | EDTA (Lavender Top) | Frozen |
| Instructions | Notes: 1.0 mL (Note: This volume Does NOT allow for repeat testing.) Specimen Type: Red-top tube, gel-barrier tube, lavender-top (EDTA) tube OR green-top (heparin) tube Specimen Storage: FREEZE : Specimen Collection: Separate serum/plasma from cells within one hour of collection. Transfer to a plastic transport tube and FREEZE. To avoid delays in turnaround time when requesting multiple test on frozen samples, please submit separate frozen specimen for each test requested. Special Instructions: Testing is performed at Esoterix Endocrinology Laboratory: ES#500140 Specimen Stability: Room temperature up to 6 days Refrigerated up to 14 days Frozen up to 1 year |
|||
| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 7 - 13 days |
| Clinical Use | Measurement of Dexamethasone is useful in assuring compliance with Dexamethasone treatment and documenting adequate dosing during such procedures as the dexamethasone Suppression Test used in the differential diagnosis of Cushing's syndrome. |
| Performing Labcorp Test Code | 500118 |
| CPT Code(s) | 80299 |
| Lab Section | Reference Lab |