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Cortisol, Baseline, Serum
Test CodeLab Order Only CORTBASE - NCMC
CPT Codes
82533
Preferred Specimen
1.0 mL serum from Serum SST or Red Top
Minimum Volume
0.5 mL
Instructions
To test for: Adrenal cortisol insufficiency, Addison’s Disease, dexamethasone suppression, decadron suppression, cortisol stimulation or cortrosyn stimulation.
- Inpatients: Draw baseline cortisol. Nurse administers 250 µg of cortrosyn intramuscularly or intravenously. Note time. Draw a 30-minute and a 60-minute cortisol after injection. Obtain a 90-minute specimen, if desired.
- Outpatients: Contact Outpatient Oncology at 970-378-3807 to schedule test.
Specimen Stability
| Specimen Type | Temperature | Time |
| Serum SST or Red Top – Separated* | Room Temp | 24 hours |
| Refrigerated | 4 days | |
| Frozen | 12 months |
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, plasma
Methodology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
Refer to the Chemistry Reference Range document found in the Resources on the test list home page.
Performing Laboratory
North Colorado Medical Center Laboratory
