question: Hello Doctor,My brother has lost 4-5 kgs weight in last 2-3 months. He is 34 years old. He has undergone many tests like endoscopy, Complete Blood count, Thyroid, stool test for blood loss, blood sugar test and ultrasonography. All results are normal.Today he underwent Liver function test (2 of the parameters are above reference range). Results are as follows (reference range given in bracket):S. BIluribin - 1.5 (0 - 1)D. Biluribin - 0.3 (0 - 0.2)SGOT - 15 (6 - 40)SGPT - 17 (8 - 37)S. Alkali - 102 (36 - 140)Total protein - 8.3 (6 - 8.5)S. Albumin - 4.4 (3.5 - 5)Globulin - 3.9 (2.5 - 5)AG Ratio - 1.1 (1 - 1.4)S. Biluribin and D. Biluribin are slightly above reference range. What does it indicate. Please advise. Are there any more tests needed?Thanks in advance.