Calcium Correction in Hypoalbuminemia

 
Input
 
Serum Ca  
Normal Albumin 4 g/dL

4.4 g/dL
Patient Albumin  

 
Result
 
Important: Inputs must be complete to perform calculation.

 
 
Ca  
 
Decimal Precision  
 

 
Notes
  • The Normal Albumin parameter is set to 4 g/dL
  • Some practitioners prefer 4.4 g/dL as normal (see article 1 below.) Simply change the Normal Albumin value above and the page will recalculate instantly.

 
Equations used
 
Ca = SerumCa + 0.8 * (NormalAlbumin - PatientAlbumin)

 

 
References
  1. Figge J, Jabor A, Kazda A, Fencl V. Anion gap and hypoalbuminemia. Crit Care Med. 1998 Nov;26(11):1807-10. PubMed Logo
  2. Payne RB, Little AJ, Williams RB, Milner JR. Interpretation of serum calcium in patients with abnormal serum proteins. Br Med J. 1973 Dec 15;4(5893):643-6. PubMed Logo
  3. Jassam N, Gopaul S, McShane P, et al. Calcium adjustment equations in neonates and children. Ann Clin Biochem. 2012; 49:352. PubMed Logo

 
 

 
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