Cortisol, 8 AM

Overview

  • EPIC Code:
  • LAB2289
  • Soft Test Code:
  • CORTA
Alternate Names
  • 8 AM Cortisol

Specimen Collection & Preparation

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

Collection Instructions:

Cortisol, 8 AM reference ranges are applicable to specimens collected between 7 and 9 am. For specimens collected outside this time period, please order a Cortisol, Random (CORT)


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

Reference Range:

6.0 - 23.0 ug/dL


Test Comments:

This assay utilizes biotin technology. 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/next day


Coding & Compliance

CDM

01483972


CPT Coding

82533