Pyruvate Kinase Enzyme Activity, Blood

Use

The Pyruvate Kinase Enzyme Activity test is crucial for evaluating nonspherocytic hemolytic anemia, neonatal anemia, jaundice, unexplained noninfectious hepatic failure, unexplained iron overload, and unusually severe hemoglobin S trait. It helps investigate pyruvate kinase deficiency in families for genetic counseling and determines inheritance patterns. It is particularly useful for identifying PK deficiency, an erythrocyte enzyme deficiency leading to chronic nonspherocytic hemolytic anemia, which can vary in severity and manifest as neonatal jaundice, gallstones, splenomegaly, and iron overload. Diagnosis is essential for clinical management and understanding the condition's impact on patients.