Factor VII Assay

Tube Type

Test ID		LAB305
EPIC Order		FACTOR 7 ACTIVITY
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
Stability	Unspun:	4 hours
	Room Temperature:	4 hours
	Refrigerated:	NO
	Frozen:	14 days (plasma only)
Availability	Routine:	24 Hours/Day
	STAT:	YES
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 J. Carr on December 21, 2023

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