Cortisol, total-8813
Test info
Cortisol, total
8813
LAB8813
COR
Biotin supplements may cause clinically significant interference for this test assay. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.
Specimen
Serum
1.0 mL
Immediately following collection, mix sample by gently inverting 5 times
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Lithium heparin (Li hep) plasma
Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Refrigerated (preferred) - 4 days
Ambient - 24 hours
Frozen - 12 months
- Improper labels (unlabeled or mislabeled)
- Hemolysis (some procedures)
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
1 day
Electrochemiluminescence immunoassay (ECLIA)
Clinical and Interpretive info
6am - 10am : 4.82 -19.5 µg/dL
4pm - 8pm : 2.47 - 11.9 µg/dL
Billing
82533
Tracking
03/07/2012
12/26/2022
01/04/2024