Test Code CORTISOL Cortisol, Plasma
Methodology
Electrochemiluminescence
Performing Laboratory
Sky Lakes Medical Center-Chemistry
Specimen Requirements
Specimen Type: Plasma or Serum
Container/Tube: Green top (lithium heparin) or SST
Specimen Volume: 2 mL, minimum volume: 1.5 mL
Collection Instructions: Morning (8 a.m.) and afternoon (4 p.m.)
specimens are preferred.
Additional Information: Include time of draw, especially if there are multiple specimens drawn.
Specimen Transport Temperature
Refrigerate/Ambient OK
Reference Values
8 – 10 a.m.: 5.0 – 23.0 mcg/dL
4 – 8 p.m.: 3.0 – 16.0 mcg/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82533
Test Order Code
LAB61