Factor 13 Antigen Subunit A


Sunquest Code:F13A  
Epic Code:LAB6599Epic Name:Factor 13 Antigen Subunit A
Synonyms:Factor 13 Antigen Subunit A; Factor 13A; Factor XIII Antigen
Methodology:Immunoassay
CPT Code:85290
Turnaround Time:Performed once per week; results are reported within 2-7 days.
Associated Links:

Specimen Collection and Processing for Coagulation Specimens



Collection Instructions

Specimen:Blood
Optimal Volume:2.7 mL (in 3 mL tube) - filled to fill line on the tube.
Collection Instructions:See link to Specimen Collection and Processing for Coagulation Specimens.
Causes for Rejection:Underfilled tube or clotted specimens. Grossly hemolyzed, icteric or lipemic specimens.


Processing and Shipping

Specimen Processing:See link to Specimen Collection and Processing for Coagulation Specimens.
Shipping Instructions:See link to Specimen Collection and Processing for Coagulation Specimens.
Test Performed at or Referral Lab Special Coagulation  (UMMC-East Bank)


Interpretive

Critical Range:Less than 10%
Reference Range:

1-4 d

53-105%

5-29 d

69-119%

30-89 d

66-120%

90-179 d

70-138%

180-364 d

75-133%

1 y and older

75-155%

Age specific refrence ranges have not been established for newborns less than 1 day old.

 

Use:Factor XIII is essential for maintaining hemostasis due to its role in fibrin stabilization and in the protection of fibrin from proteolytic degradation by the fibrinolytic system. In addition, Factor XIII is also involved in maintaining pregnancy and wound healing.


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