Burr cells usually imply uremia .
Burr cells usually are seen in many conditions , including mild hemolysis in hypomagnesemia and hypophosphatemia , hemolytic anemia in long - distance runners , and pyruvate kinase deficiency .
Burr cells usually imply uremia , but are seen in many conditions , including mild hemolysis in hypomagnesemia and hypophosphatemia , hemolytic anemia in long - distance runners , and pyruvate kinase deficiency .