Hepatitis virus antigen (Australian antigen) B (HBV) HBsAg
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Indications for analysis
Usually, the analysis is prescribed by a gastroenterologist, hepatologist or infectious disease specialist, and may also be prescribed by therapists or pediatricians. Often, the examination is prescribed in combination with other tests for hepatitis B
The reason for appointing a study may be:
-manifestations of hepatitis in the acute stage (high fever, loss of appetite, vomiting, nausea, abdominal pain, darkening of urine, lightening of feces, yellowness of the skin and sclera);
- increased activity of ALT and AST for no apparent reason;
- control of the effectiveness of hepatitis B treatment;
-control of vaccination effectiveness;
-belonging to the group of increased risk of hepatitis B infection (medical workers, pregnant women, patients with immunosuppression);
- check of candidates for donation. -
How to prepare a child for analysis?
In the morning on an empty stomach, you can drink clean still water. Venous blood from 2 years. The day before, it is necessary to exclude from the diet fatty or spicy food and alcohol, as well as physical activity.