Indirect bilirubin of 19 umol/L on liver function tests is usually mildly high. If the patient has symptoms such as abdominal pain, further ultrasound is recommended. In general, the normal range of indirect bilirubin for a normal person is about 1.7~10.2 umol/L. When the value of indirect bilirubin is between 10.2~20.2 umol/L, it is said to be mildly high. Patients with mildly high indirect bilirubin who also have symptoms such as poor appetite and abdominal pain are usually recommended to have further liver and gallbladder ultrasound and blood tests. After ruling out liver and gallbladder diseases and blood system diseases, the elevated indirect bilirubin is then considered to be due to factors such as improper living and diet. In this case, patients can usually recover on their own by avoiding poor lifestyle and dietary habits. If the patient has elevated indirect bilirubin and abdominal pain at the same time, it is recommended to consult a doctor in a timely manner, complete the relevant examinations under the guidance of the doctor to clarify the cause of the disease and treat the symptoms.