A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: Stuart-Prower Factor, Prothrombinase Factor
Performed: Mon-Fri
Turn Around Time: 1-3 days
CPT Codes: 85260
Performed By: Hematology
Notes: Results not affected by heparin (UFH or LMWH) up to 1.0 U/mL, hemoglobin up to 500 mg/dL, triglycerides up to 1000 mg/dL and bilirubin up to 30 mg/dL.
Clinical Utility: Quantitative determination of Factor X activity is utilized to aid in in the diagnosis of congenital or acquired Factor X deficiency. Congenital Factor X deficiency is a rare inherited disorder that may cause bleeding after dental extractions and other surgery.
Unacceptable Conditions: Clotted; severely hemolyzed; lipemic; refrigerated; or on ice.
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
0 Minutes - Day 1 |
12 |
68 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
Day 1 - Day 4 |
12 |
68 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
Day 5 - Day 29 |
19 |
79 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
Day 30 - Day 89 |
31 |
87 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
Day 90 - Day 179 |
35 |
107 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
Day 180 - Day 364 |
38 |
118 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
1 Year - 5 Years |
58 |
116 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
6 Years - 10 Years |
55 |
101 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
11 Years - 16 Years |
50 |
117 |
% |
Factor X Activity |
Prothrombin Clot-Based Assay |
|
17 Years - 150 Years |
77 |
131 |
% |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Blue Na Citrate, 3mL |
Draw to fill line |
|
Send to Lab within 3 hrs of collection. |
Room Temperature |
Deliver to Logistics Hematology Lab via STAT courier
|