The nurse is completing the admission assessment of an adolescent client who is underweight and admitted to a psychiatric unit with a diagnosis of depression. Which finding requires notification to the healthcare provider? Reference Range: Potassium (K+) [3.5 to 5.0 mEq/L or 3.5 to 5.0 mmol/L] White Blood Cell (WBC) [5000 to 10,000/mm3 or 5 to 10 x 109/L]