Answer
Yes. Passively transferred antibodies can temporarily cause misleading serology and may interfere with some red-cell antibody tests. Tell the laboratory and clinical team about recent treatment.
Sources for this answer
- Hepatect CP — Current selected SmPCemc · Summary of Product Characteristics
- Zutectra 500 IU solution for injection in pre-filled syringe — Current selected SmPCemc · Summary of Product Characteristics