The gene ITGA2B encodes a major component of the glycoprotein IIb-IIIa complex, which binds fibrinogen and controls platelet clutting. Mutations result in autosomal recessive Glanzmann thrombasthenia, and polymorphisms account for alloimmune thrombocytopenia of the newborn.
| Clinic | Method | Carrier testing |
| Turnaround | 5 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Massive parallel sequencing |
| Turnaround | 25 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Genomic sequencing of the entire coding region |
| Turnaround | 25 days | |
| Specimen type | genomic DNA |