What is the normal range of total bilirubin?

Modern people are paying more and more attention to physical health, and they will undergo some routine examinations every year, including the liver. Among them, whether the total bilirubin is normal is closely related to our health. Many people do not understand the normal value of total bilirubin. The reference normal value of total bilirubin is: 3.42-20μmol/L. Once the value rises significantly, it indicates that the human body may have liver diseases, such as jaundice, which requires timely treatment.

What is the normal value of total bilirubin? The value of total bilirubin in liver function tests is generally between 1.7-17umol/L. If the patient's bilirubin exceeds 17.1 and is between 17.1-34.2umol/L, it is often referred to as occult jaundice. This means that if the patient's bilirubin is within this range, the patient usually has jaundice, but the yellowing of the skin and sclera cannot be detected by the naked eye. If the patient's jaundice further aggravates and the total bilirubin is higher than 34.2umol/L, then the yellowing of the skin and sclera can be detected by the naked eye.

What is the clinical significance of total bilirubin? The normal value of total bilirubin is mainly used to diagnose liver diseases and biliary obstruction. If the total bilirubin is higher than the normal value, the patient's skin, eyes, sclera, and urine will turn yellow, so it is called jaundice. After the patient's liver has inflammation or necrosis, it is easy to cause jaundice. Common diseases with elevated direct bilirubin are primary biliary cirrhosis, biliary obstruction, etc. Patients with hepatitis are most prone to elevated total bilirubin, so when patients develop jaundice, the first thing to consider is whether they have hepatitis. In this case, they must go to the hospital for diagnosis and treatment in time.