Corrected calcium levels

• Facts:
  Corrects for hypoalbuminemia states
  Calcium exists in free and bound states
  Only 45% is free (ionized, active form), 40% bound to albumin
  
  
• Notes:
  Corrected Ca = 0.8 (nl albumin - serum albumin) + measured Ca
  (Normal albumin is 4.0)
• Associated With:
  Hypocalcemia
  Liver disease