Sign in →

Cortisol Level, Dexamethasone Suppression

Icon & Photos

Mint Green Top (Lithium Heparin Gel)

Specimen Requirements

Preferred:
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Minimum Volume: 1.0 mL Serum
Collection Instructions: Centrifuge within 2 hours, Collect before 9am.
Also Acceptable:
Container/Tube: Gold Top (SST-Gel)

Specimen Stability

Ambient: 8 hours
Refrigerate: 48 hours
Frozen: aliquot for longer storage

Reference Range

BVH Lab:
  < 1.8      (Normal)

1.8 - 5.0   (Indeterminate)

  > 5.0      (Consistent with Cushing's Syndrome)

 

Methodology

Chemiluminescent Immunoassay

CPT

82533