What does pp-so means in result?

In a medical context, "pp-so" typically stands for "postprandial serum osmolarity." It refers to the measurement of the osmolarity of blood serum after a meal. This assessment can help evaluate how the body processes and regulates fluids and electrolytes following food intake. Understanding postprandial osmolarity can be important for diagnosing certain conditions, such as Diabetes or kidney disorders.