Serum-Ascites Albumin Gradient (SAAG)
The serum ascites albumin gradient (SAAG) is a formula used to assist in determining the etiology of ascites.
Interpretation:
Source: Hoefs JC. The mechanism of ascitic fluid protein concentration increase during diuresis in patients with chronic liver disease. Am J Gastroenterol. 1981 Nov;76(5):423-31. PMID:7337129.