FACTOR II ACTIVITY

Specimen Required
Draw blood in a light blue 3.2% sodium citrate tube. See apendices for coagulation test collection instructions. Send 2.0 mL plasma (1.0 mL minimum) frozen in a screw-capped plastic vial.
Note: Do not order for Prothrombin Gene mutation

Rejection Criteria
Serum, non-frozen or hemolyzed specimens

Methodology
Clotting

Stability
Room Temperature: 4 hours; Refrigerated: 4 hours; Frozen: 14 days

Reference Range
1-4 days:   26-70%  
5-29 days:   33-93%  
30-89 days:   34-102%  
90-179 days:   45-105%  
180-364 days:   60-116%  
1-5 years:   71-116%  
6 years:   67-107%  
7-9 years:   78-125%  
10-11 years:   78-120%  
12-13 years:   72-123%  
14-15 years:   75-135%  
16-17 years:   77-130%  
18 years and older:   86-150%  

Performed
Monday-Friday

Turnaround Time5-7 days
Test CodeF2AR
CPT-4 Code (s)
85210
LOINC Codes
3289-6

Warde
Medical
Laboratory