Factor X (cp) (Citrated plasma, frozen (cp))

Specimens:	1 ml Citrated plasma, frozen (cp)
Preanalytics/Notes:	Please always send a separate specimen for this test. To avoid clotting please mix test tube carefully several times directly after collection of blood. Centrifugation process should be started after about 60 minutes. Please centrifuge sample at least for 15 minutes (1500 x g). Plasma / supernatant should be transferred by pipette to a collection tube without any buffer or other substances. Please label as citrated plasma. Freeze and send frozen.
Method:	Turbidimetry
Dimension:	%
Set-up:	Mon Tue Wed Thu Fri Sat Sun
Duration:	3 days
Indication/Significance:	The diagnostic assessment of a low Quick value or prolonged PTT of unclear origin usually only makes sense with factors II, V and VII Anamnestic bleeding tendency or known factor deficiency in the family
Interpretation:	Reduced activity due to: more… Reduced activity due to: Congenital deficiency; homozygous factor X deficiency very rare, heterozygous carrier with slightly reduced activity more common Acquired deficiency: Liver insufficiency with acute and chronic liver diseases, amyloidosis, coumarin intoxication, consumptive coagulopathy with DIC Increased factor X activity: Reactive after administration of vitamin K close
Further tests:	Factors II, V and VII; molecular genetic diagnosis

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Representation of age: "from" refers to the commenced year(s) (month) of age; "until" refers to the completed year(s) (month) of age.