Abstract
A busy GP will encounter patients with liver function tests (LFTs) outside the normal range very frequently. Some LFTs may be raised physiologically, for example in pregnancy, or for reasons not associated with liver disease. However, suboptimal investigation of LFT abnormalities may lead to important treatable causes of liver disease being missed. This article should help to provide a rational approach for interpretation of LFTs, further investigation and management of various abnormalities.
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