| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Cortisol Serum
MessageChemistry
Test Code
LAB61
Alias/See Also
CORTS
CPT Codes
82533
Includes
Cortisol
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 700 uL (two full red or two light-green top microtainers)
Serum/Plasma: 300 uL
Serum/Plasma: 300 uL
Other Acceptable Specimens
Red Top and light green top (lithium heparin plasma) acceptable
Specimen Stability
Refrigerated: 5 days
Frozen: 4 weeks
Frozen: 4 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Limitations
Cortisol concentrations can be changed rapidly by strong stimuli and are subject to a daily rhythm so that
a single determination yields limited information and should be used with other tests of HPA function
a single determination yields limited information and should be used with other tests of HPA function
Reference Range
Before 10 AM: 4.5 - 22.7 mcg/dL
After 5 PM: 1.7 - 14.1 mcg/dL
After 5 PM: 1.7 - 14.1 mcg/dL
Performing Laboratory
Hoag Newport
