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Test Code CORTBASE CORTISOL, BASELINE

Additional Codes

LAB2294

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top


Plasma:

  • Light Geen Top (lithium heparin)

Reportable Units

µg/dL

Reference or Target Ranges

Cortisol, Baseline

Comment 1

Comment 1:
6 - 10 AM 4.82 - 19.5 µg/dL
4 - 8 PM 2.47 - 11.9 µg/dL

 

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold 500 mg/dL
Icterus Threshold 25 mg/dL
Lipemia Threshold 1500 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient 24 hours
Refrigerated (4°C to 8°C) 4 days
Frozen(-40°C to 0°C) 12 months

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas

CPT Codes

80400

Last review/edit date

2025