Protein S Activity
Tube Type
| Test ID |
LAB491 |
| EPIC Order |
PROTEIN S ACTIVITY |
| CPT Code(s) |
85397 |
| Group/Individual Test |
Individual |
| Laboratory |
Special Coagulation |
| Tube Station |
30 |
| Specimen |
Routine: |
3.0 mL blood/light blue sodium citrate tube; See 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: |
63.5-149% of Normal |
| Comments |
Deliver Immediately
|
Reviewed by J. Carr on May 27, 2026
