Test Code LAB0208561 Cortisol, Plasma or Serum
Methodology
Chemiluminescent Microparticle Immunoassay
Performing Laboratory
CentraCare Laboratory Services
Specimen Requirements
Submit only 1 of the following specimens:
Specimen Type: Plasma
Container/Tube: Green top (Lithium heparin & PST)
Specimen Volume: 0.5 mL
Specimen Minimum Volume: 0.25 mL
Collection Instructions: Label specimen appropriately (plasma).
Specimen Type: Serum
Container/Tube: Gold top (SST) & Red top (Serum & No Additive)
Specimen Volume: 0.5 mL
Specimen Minimum Volume: 0.25 mL
Collection Instructions: Label specimen appropriately (serum).
If collecting using a red top with no gel separator, the serum must be removed within 1 hour of collection.
Additional Information:
1. Morning (before 10 AM) and afternoon (after 5 PM) specimens are desirable.
2. Include time of draw on request form.
3. If multiple specimens are drawn, send separate request form for each specimen.
Specimen Transport Temperature
Refrigerated: 1 week
Reference Values
Before 10 AM: 3.7-19.4 ug/dL
After 5 PM: 2.9-17.3 ug/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82533