ABO group and Rh type are needed to identify candidates for Rh immune globulin. This test is also used to determine the risk of hemolytic disease of the newborn.
Bilirubin levels are useful in the diagnosis of metabolic, liver, hematologic, and hemolytic disorders.
Antinuclear antibodies are present in systemic lupus erythematosus, Sjogren’s Syndrome, scleroderma, mixed connective tissue disease, drug induced lupus, and rheumatoid arthritis.
The ANA Screen detects the presence of clinically relevant circulating autoantibodies in serum or plasma.