I m 18 yrs old male and recently i had tested my blood sample and liver function test was carried . alkaline phosphatase result is 156 u/l and other r?

Likely normal: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, if your bones are still growing, it is likely a normal level. You may consult this site for more info on this topic. https://www.nlm.nih.gov/medlineplus/ency/article/003470.htm