Cortisol
Tube Type
| Test ID |
LAB61 |
| EPIC Order |
CORTISOL |
| CPT Code(s) |
82533 |
| Group/Individual Test |
Individual |
| Laboratory |
Core Laboratory |
| Tube Station |
Routine: 30; STAT: 888 |
| Specimen |
Routine: |
4 mL blood/green lithium heparin gel tube. Also acceptable gold SST or red plain tube; See Comments |
| Micro: |
0.9 mL blood/mint green top bullet/gold top/red top |
Stability
|
Unspun:
|
<8 hours
|
|
Spun/Separated:
|
Room Temperature: 8 hours
Refrigerated: 2 days
Frozen: 4 weeks
|
| Availability |
Routine: |
24 hrs/day |
| STAT: |
Yes |
| Turnaround Time |
Routine: 2 hrs; STAT: 1 hr |
| Reference Range |
Normal: |
AM: 5.27 - 22.45 µg/dL
PM: 3.44 - 16.76 µg/dL
|
| Critical: |
<1.5 µg/dL |
| Comment |
This test is performed using the Siemens Atellica IM Cortisol assay effective 7/13/21. Different test methods should not be used interchangeably. Heterophilic antibodies may cause interference.
|
Reviewed by J. Carr on January 13, 2026
