Red Cell Reference Laboratory

ABO Group

• Transaction Code: 3101-00
• CPT Code (Suggested): 86900

Determined by the presence or absence of A and B blood group antigens on red blood cells as well as the presence or absence of the expected reciprocal ABO blood group antibodies in the serum.

• Sample Required: 7 ml EDTA
• Normal Test Values: Group A (40% of population), Group O (45%), Group B (11%), Group AB (4%).
• Analytic Time: 24 hours if weekday; 48 hours if weekend
• Days Test is Set Up: Monday through Sunday