Cortisol (Random)*
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube:
Preferred: Light-green top (lithium heparin gel or green-yellow)
Specimen Fill Volume: Full tube
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
Specimen Transport Temperature
Refrigerate
Day(s) Performed
Daily
Available STAT
Analytical Time:
1 day
Test Classification and CPT Coding
82533
Methodology
Manufacturer: Roche Diagnostics
Analyzer: Cobas Pro’s
Methodology: Electrochemiluminescence Immunoassay (ECLIA)
Reference Values
Morning Hours: 6-10 am 4.82 - 19.5 ug/dl
Evening hours: 4-8 pm 2.47-11.9 ug/dl