Light Pains In Liver Region My Brother Just Had A Blood Test Ran And His Liver Count Is 48 When It Should Be 45. What Could Cause This?

My brother just had a blood test ran and his liver count is 48 when it should be 45. What could cause this? - light pains in liver region

What would be the liver contains a minimum of 48 instead of 45 or above account of the liver? I do not drink alcohol, not obese or suffer from diabetes. He said problems with the stomach too much lately, and the doctors, depending on where the pain could appendecitis ... Can someone light into the darkness for me? I am very worried for him.