<s>[INST] MY 12 yr old son has to have more blood work and a ultra sound because his liver function is high is what i was told. This is the 3rd time he has has blood drawn as they diagnosed him a month ago. I am concerned and do not understand what would cause this. From what I am reading on here it does not look good. Thank you concerned Mom [/INST] Hello It is important to know individual parameters of liver function test like bilirubin level(direct and indirect), SGPT, SGOT, Alkaline phosphatase etc. Increased liver function tests may be due to many reasons like hepatitis, Chat Doctor. Besides this, your son need proper clinical evaluation and further investigations like ultrasound of abdomen. Biopsy of liver tissue is advised in selected cases. It can tell exact pathology. Treatment depend upon findings. Get well soon. Take Care </s>