Protein S Activity

Light Blue Top Tube

Tube Type

Test ID LAB491
EPIC Order PROTEIN S ACTIVITY
CPT Code(s) 85305
Group/Individual Test Individual
Laboratory Special Coagulation
Tube Station 30
Specimen Routine: 3.0 mL blood/1 light blue top tube; see important Comments
Stability Unspun - 4 hrs
Room Temp - 4 hrs
Refrigerated - NO
Frozen - 6 months
Availability Routine: 2 runs/week: Monday and Thursday
Turnaround Time 3-5 Business Days
Internal Reference Testing
& Outreach Handling Instructions
Platelet poor plasma (double spun). Aliquot and freeze within 4 hours.
Reference Range Normal: 64-147% of Normal
Comments Deliver Immediately
Heparin >1U/mL or Coumadin Interferes with Assay

Reviewed by Christopher Parker on November 16, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514