A patient has the following lab results on a chronic basis:…

A patient has the following lab results on a chronic basis: Lab April ’25 July ’25 October ’25 Reference Ranges: Hgb  7.7 g/dL 7.4 g/dL 7.2 g/dL Normal: 12-16 g/dL Hct  24.1% 22% 21.6% Normal: 38-48% Creatinine clearance  60 mL/min 45 mL/min 40mL/min Normal: 90-120 mL/min   Which of the following interventions would be indicated?