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Available Tests

  • Factor VII Assay

Factor VII Assay

Light Blue Top TubeTube Type
Test ID   LAB305
EPIC Order
CPT Code(s)   85230
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30 Routine; 888 STAT
Specimen Routine: 2.7 mL Blood/Light Blue Top Tube;  See Important Comments
  Pediatric: 1.8 mL Blood Pediatric Light Blue Top Tube
Unspun: 4 hours
Room temperature: 4 hours
Frozen: 14 days (plasma only)
Availability Routine: 24 Hours/Day
Turnaround Time   Stat 90 minutes; Routine 3 hrs
Reference Range Normal: 61-146% of Normal
  Critical: <10% of Normal


Comments Deliver Immediately: If more than 2 Factor Assays are ordered: 2 Light Blue Top Tubes need to be drawn. Draw tube must be allowed to fill completely.  Short draws will be rejected.

Reviewed by jcayless on December 13, 2019

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