The blood group and cross-match test is performed to determine a person’s blood type (A, B, AB, or O) and Rh factor (positive or negative) and to ensure compatibility between the donor and recipient before a blood transfusion.
When this test is required
The blood group and cross-match test results indicate a person’s blood type and Rh factor. The results are used to match compatible blood for transfusion.
What the Test Detects
The blood group and cross-match test is used to determine a person’s blood type and Rh factor, and to ensure compatibility between the donor and recipient before a blood transfusion. The test helps to prevent transfusion reactions, which can be life-threatening.
Preparation for the Test
There is usually no specific preparation required for this test.
Sample Requirements
A blood sample is collected from the patient for testing.