91101      Factor XI Activity
Specimen:
  Collect: One 4 mL Blue Top (Na Citrate)  
  Submit: 2 mL (Min:1 mL) Plasma. Submit Frozen. Submit in a Standard Transport Tube.  
  Special Handling: Critical Frozen 
  Rejection Criteria: Hemolyzed specimens 
  Stability: Ambient: 4 Hour(s); Refrigerated: 4 Hour(s); Frozen: 2 Week(s); Incubated: Unacceptable 
Methodology: Clotting 
Performed: Monday, Wednesday, Friday 
Reported: 2-5 Day(s) 
CPT Codes:
85270 - Factor XI
Interpretive Data:
General Reference Range : 56-153 %

Male Reference Ranges
0 - 3 day(s) : 10-66 %
3 day(s) - 4 week(s) : 23-87 %
4 week(s) - 2 month(s) : 41-97 %
2 month(s) - 1 year(s) : 38-134 %
1 - 6 year(s) : 56-150 %
6 - 9 year(s) : 70-138 %
9 - 11 year(s) : 63-137 %
11 - 13 year(s) : 65-130 %
13 - 15 year(s) : 57-125 %
15 - 17 year(s) : 64-160 %
17 - 150 year(s) : 56-153 %
Female Reference Ranges
0 - 3 day(s) : 10-66 %
3 day(s) - 4 week(s) : 23-87 %
4 week(s) - 2 month(s) : 41-97 %
2 month(s) - 1 year(s) : 38-134 %
1 - 6 year(s) : 56-150 %
6 - 9 year(s) : 70-138 %
9 - 11 year(s) : 63-137 %
11 - 13 year(s) : 65-130 %
13 - 15 year(s) : 57-125 %
15 - 17 year(s) : 64-160 %
17 - 150 year(s) : 56-153 %