Factor IX Inhibitor

Tube Type = Light Blue Top

Tube Type

Test ID LAB5319
EPIC Order FACTOR IX INHIBITOR
CPT Code(s) 85335
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: 1 run/week (Tuesday)
Turnaround Time 7 Business Days
Internal Reference Testing & Outreach Handling Instructions Platelet poor plasma (double spun). Aliquot and freeze within 4 hours.
Reference Range Normal: <0.4 Bethesda Units (Bu)
Comments Deliver Immediately

Reviewed by J. Carr on January 13, 2026

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