Cortisol, Random

Overview

  • EPIC Code:
  • LAB61
  • Soft Test Code:
  • CORT
Alternate Names
  • Corticosteroid
  • Cortisol
  • Total Cortisol

Specimen Collection & Preparation

Patient Preparation

Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.


Specimen Requirements:

-OR-

1.0 mL Serum in a SST Gold Top Tube
Minimum Volume:
0.2 mL Serum*

* This volume does not allow for repeat testing

Processing Instructions:

Specimens stable 48 hours unspun


Transport and Storage:
  • Ambient (18-24°C): 24 Hours
  • Refrigerated (2-8°C): 4 Days
  • Frozen (-20° C or colder): 12 Months

    Avoid freeze-thaw cycles

Clinical Interpretation

Test Comments:

Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely increased test results generated.


Methodology:
  • Chemiluminescence (CL)

Production Schedule

Sites Performed
  • Parkview Regional Medical Center
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same Day/1 to 2 days


Coding & Compliance

CDM

01483971


CPT Coding

82533