RT Book, Section A1 Murtagh, John SR Print(0) ID 1124411303 T1 | J | T2 Murtagh's General Practice Companion Handbook, 6e YR 2019 FD 2019 PB McGraw-Hill Education PP Sydney, Australia SN 9781743760048 LK murtagh.mhmedical.com/content.aspx?aid=1124411303 RD 2024/04/19 AB Jaundice is defined as a serum bilirubin level above 19 µmol/L.Clinical jaundice manifests only when the bilirubin exceeds 50 µmol/L.Jaundice is difficult to detect visually below 85 µmol/L if lighting is poor.The most common causes recorded in a general practice population are (in order) viral hepatitis, gallstones, carcinoma of pancreas, cirrhosis, pancreatitis and drugs.Always take a full travel, drug and hepatitis contact history in any patient presenting with jaundice.