Protein S Activity (MAYO)

Test Code

1230100471

Alias/See Also

LAB491: Protein S Activity
LAB7322: Hypercoaguable Profile | MAYO EAP: S_FX

CPT Codes
85306x1

Preferred Specimen

MAYO LAB: LT BLUE TOP-CITRATE (Frozen) Min Vol: 3

Instructions

Adult: 2.7 mL (light blue-top tube), 3.2% sodium citrate *Pediatric minimum: 2.7 mL (light blue-top tube), 3.2% sodium citrate*

Transport Temperature

Specimen Type: Platelet-poor plasma Collection Container/Tube: Light-blue top (citrate) Submission Container/Tube: Plastic vial. Specimen Volume: 1 mL Collection Instructions: 1. Spin down, remove plasma, and spin plasma again. 2. Freeze specimen immediately at < or =-40 degrees C, if possible. Additional Information: 1. Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results. 2. Each coagulation assay requested should have its own vial. 3. Tests for VWFX / von Willebrand Factor Activity, Plasma and F8A / Coagulation Factor VIII Activity Assay, Plasma are recommended in conjunction with von Willebrand antigen.

Report Available

MAYO LAB
STAT: 7200 min
Routine: 7200 min
Extended TAT: No TAT min
Timed: 7200 min
Life or Death: 7200 min

Last Updated: March 6, 2023

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.