Test Code COR1A Cortisol, Baseline, Serum
Ordering Guidance
For patients taking exogenous glucocorticoids, order CORTU / Cortisol, Free, 24 Hour, Urine.
Specimen Required
Only orderable as part of a profile. For more information see CSC / Cortrosyn Stimulation/Cortisol, Serum.
Container/Tube: Serum gel or red top
Specimen Volume: 0.5 mL
Collection Instructions:
1. Can only be ordered to be performed in Endocrine Testing Center.
2. Serum gel tubes should be centrifuged within 2 hours of collection.
3. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
Useful For
Timed baseline cortisol collection to support the assessment of insulin tolerance
Method Name
Only orderable as part of a profile. For more information see CSC / Cortrosyn Stimulation/Cortisol, Serum.
Electrochemiluminescent Immunoassay (ECLIA)
Reporting Name
Cortisol, Baseline, SSpecimen Type
Serum TimedSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum Timed | Refrigerated (preferred) | 7 days |
Frozen | 365 days | |
Ambient | 24 hours |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | OK |
Reference Values
Only orderable as part of a profile. For more information see CSC / Cortrosyn Stimulation/Cortisol, Serum.
Not applicable
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 3 daysPerforming Laboratory
MCHS- MankatoTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
82533
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
COR1A | Cortisol, Baseline, S | 43215-3 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
COR1A | Cortisol, Baseline, S | 43215-3 |