A patient presents with a neutrophil count of 1.1 x 103/μL, which is below the reference range. What is one of the most important factors to rule out before a patient is diagnosed with Benign Ethnic Neutropenia (BEN)?
a. Persistent neutropenia
b. Frequent infections
c. Neutrophil counts below the reference range
a. Persistent neutropenia
b. Frequent infections
c. Neutrophil counts below the reference range