SERUM ASCITES ALBUMIN GRADIENT (SAAG)

This assay is considered as the most reliable method to differentiate peritoneal transudate from exudate. Ascitis caused by portal hypertension has gradient greater than 1.1 g/dL (transudate) whereas ascitis due to other causes has a gradient less than 1.1 g/dL (exudate).

  • Pre-test Information:

    No special preparation required

  • Report Delivery:

    Daily