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Test Code ABOINC Maternal ABO Incompatibility, LAB2043

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Pink-top (EDTA) tube

Acceptable: Lavender-top (EDTA) tube or cord blood

Specimen Volume: 0.5 mL of EDTA whole blood

Stability: An EDTA, specimen drawn within 3 days of testing is the preferred specimen. 

              The sample should be tested as soon as possible following collection.  If a delay in

               testing occurs, the sample should be stored 2-6 C.  


Useful For

The ABO incompatibility test is useful in determining if a baby's positive DAT is due to a blood type incompatibility between the mother and the baby or if it is due to an antibody that the mother possesses.

Day(s) Test Set Up

Monday through Sunday


Test Tube

Test Classification and CPT Coding