Cortrosyn Stimulation, Plasma and Serum

Test Code

CORTSTIM

Preferred Specimen

Plasma and serum are required.

Specimen Type: Plasma

Collection Container/Tube: Ice-cooled, lavender-top (EDTA) tube

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions:

1. Morning (6 a.m.-10 a.m.) specimen is desirable.

2. Spin down in a refrigerated centrifuge and immediately separate plasma from cells.

Additional Information:

1. Indicate plasma on requisition.

2. Label specimen appropriately (plasma).

Specimen Type: Serum

Container/Tube: Gold top tube
Specimen Volume: 0.5 mL

Collection Instructions: Morning (8 a.m.) and afternoon (4 p.m.) specimens are desired. One tube for each draw time (usually 1 baseline, 30-, 60-, and 90-minutes post dose).
Additional Information:

1. Indicate baseline, 30-, 60-, and 90-minute, and serum on requisition.

2. Label specimens appropriately (baseline, 30-, 60-, and 90-minute, and as serum).

Performing Laboratory
Sarasota Campus Lab

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.