All are TRUE about Hereditary Spherocytosis, EXCEPT:
Increased incidence of gallstones are seen in Hereditary spherocytosis, but they are pigment gallstones. This is almost the only condition where an elevated MCHC is seen. Ref: Harrisons principles of internal medicine, 18th edition, Page :875.
Cholesterol gallstones
Mild to moderate anemia
Normocytic anemia
Increase in MCHC