<![CDATA[Chronic kidney disease refers to a progressive condition characterized by an irreversible decline in kidney function and generally requires hemodialysis therapy. This therapy can affect hemoglobin levels, which play an important role in oxygen transport and metabolic balance. This study aims to describe hemoglobin levels before and after hemodialysis in patients with chronic kidney disease. The study is a descriptive quantitative approach with a sample of 30 patients undergoing routine hemodialysis, selected using total sampling. Venous blood samples were collected before and after hemodialysis and analyzed using an automated hematology analyzer based on electrical impedance. The data were analyzed descriptively to characterize the distribution of hemoglobin levels and changes in hemoglobin levels during hemodialysis. The results indicated that most patients had hemoglobin levels below the reference value both before and after hemodialysis, with a tendency to decrease after hemodialysis. This pattern was observed across age groups and genders, suggesting that hemodialysis may contribute to changes in hemoglobin levels. These findings emphasize the importance of routine hematological monitoring in hemodialysis patients as part of clinical laboratory services to support early detection and management of anemia in chronic kidney disease.]]>
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