Test Code SGSS Synthetic Glucocorticoid Screen, Serum
Reporting Name
Synthetic Glucocorticoid Screen, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Confirming the presence of listed synthetic glucocorticoids in serum specimens (see Interpretation)
Confirming the cause of glucocorticoid-induced adrenal insufficiency
This test is not useful for detection of fluticasone propionate.
Ordering Guidance
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
Serum: 1.1 mL
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 14 days |
| Refrigerated | 7 days | |
| Ambient | 24 hours |
Day(s) Performed
Wednesday
Reference Values
Negative
Cutoff concentrations
Betamethasone: 0.10 mcg/dL
Budesonide: 0.20 mcg/dL
Dexamethasone: 0.10 mcg/dL
Fludrocortisone: 0.10 mcg/dL
Megestrol acetate: 0.10 mcg/dL
Methylprednisolone: 0.10 mcg/dL
Prednisolone: 0.10 mcg/dL
Prednisone: 0.10 mcg/dL
Triamcinolone acetonide: 0.10 mcg/dL
Values for normal patients not taking these synthetic glucocorticoids should be less than the cutoff concentration (detection limit).
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SGSS | Synthetic Glucocorticoid Screen, S | 43141-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 23593 | Betamethasone | 41745-1 |
| 23594 | Budesonide | 41747-7 |
| 23595 | Dexamethasone | 14062-4 |
| 23596 | Fludrocortisone | 41754-3 |
| 23600 | Megestrol Acetate | 41762-6 |
| 23601 | Methylprednisolone | 14186-1 |
| 23602 | Prednisolone | 12727-4 |
| 23603 | Prednisone | 12434-7 |
| 23605 | Triamcinolone Acetonide | 41767-5 |