The purpose of this study is to assess the consistency of the results of irregular antibody screening with Surgiscreen （investigational reagent) and Serascan Diana 3 (control reagent), and the consistency of the results of irregular antibody screening with investigational reagent on serum and plasma from same patients.

Inclusion Criteria:

• Serum or plasma samples left after routine clinical testing;
• Blood sample of the same day, or blood samples stored at 2-8°C for 3 days after collection, or serum or plasma samples stored at -20°C for those separated 3 days after collection.

Exclusion Criteria:

• Samples with severe hemolysis, jaundice or chyle-like samples;
• Small sample size insufficient for completing the testing;
• Samples not collected and processed upon the requirements of the instructions.

Patients who need transfusion therapy in investigator sites.