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Factor XII Assay (Chula)*

Measures the activity of coagulation factor XII, a clotting-related protein that can affect the aPTT test even though bleeding is often not increased.

฿1,950.00

Measures the activity of coagulation factor XII, a clotting-related protein that can affect the aPTT test even though bleeding is often not increased.

Blood

15 min at lab

Results: 9 days

Typical Use

Used when aPTT is unexpectedly prolonged to look for factor XII deficiency or an inhibitor, and to help interpret other clotting test results.

Preparation

Wear clothing that allows easy access to your arm

Arrive well-hydrated

Continue regular medications unless advised otherwise by your doctor

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