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Labcorp Oklahoma, Inc.
Test Directory


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Factor 10 (X) Assay

Order Name FACTOR 10
Test Number: 1501250
Revision Date 02/09/2022
Test Name Methodology LOINC Code
Factor 10 (X) Assay
Clot Detection 3218-5 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2.7 mL Whole Blood Sodium Citrate 3.2% (Blue Top) Room Temperature
Alternate 1 1.5 mL Double Spun Plasma Sterile, Capped Plastic Tube Frozen
Instructions Please indicate anticoagulant therapy. 
Each 2.7mL Sodium Citrate 3.2% (Blue Top) tube must be filled to the proper level, no hemolysis. Improperly filled tubes can give erroneous results. Whole blood must be transported to lab immediately.
If testing cannot be started within 4 hours of collection the specimen must be double spun then 1.5mL plasma aliquot from each tube into individual plastic aliquot tubes and freeze
Do not pool aliquots together!
GENERAL INFORMATION
Testing Schedule Tue, Thr 
Expected TAT 2-3 Days  
Clinical Use This assay measures the clotting ability of Factor 10. This assay is used to aid in the diagnosis of coagulation factor deficiencies that may present with menorrhagia, ecchymosis,central nervous system bleeding and excessive bleeding after childbirth. 
CPT Code(s) 85260
Lab Section Coagulation