A nurse is reviewing the laboratory results of a group of clients. Which of the following laboratory findings should the nurse report to the provider?

Hemoglobin of 6.2 g/dL in a client who is receiving chemotherapy

WBC of 7,000/mm3 in a client who has a non-productive cough

Platelet count of 160,000/mm3 in a client who has a deep vein thrombosis and is taking enoxaparin

Negative leukocyte esterase in a client who has completed a course of antibiotics to treat a urinary tract infection