1. Presented by Eric A. Gehrie, MD and prepared by Lorraine N. Blagg, MA, MLS(ASCP)SBB

Clinical Vignette

The patient is an adult female with a history of hemoglobin SC disease, who presented to the emergency department the month following a red blood cell exchange with vaginal bleeding, chest, head, and leg pain.

Lab results:

• Urine pregnancy test: Positive


• ABO/Rh type: AB Neg


• Antibody Screen: Positive

Question:
What may be the new antibody now demonstrating in the patient's plasma?