Beckman Coulter has identified a potential for erroneously high hemoglobin (Hgb) results on samples with elevated white blood cell (WBC) counts. This occurs on Unicel DxH series instruments configured with the led Hgb photometer. Falsely elevated Hgb results may observed in specimens with WBC counts > 30 x 10³ cells/μl. Recall start date: August 6, 2025