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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 | 8 hours |
| Refrigerated | 48 hours | |
| Frozen | >48 hours |
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, plasma
Methodology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
3.09-22.40 µg/dL
Performing Laboratory
North Colorado Medical Center Laboratory
