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Hepatitis test before surgery: complete preoperative examination for safe intervention

A hepatitis test before surgery is a standard and mandatory part of preoperative preparation. It is performed by all patients regardless of the complexity of the intervention - from planned outpatient procedures to major surgical operations under general anesthesia. The main task of the test is to minimize risks for the patient and the medical team and ensure the safe course of the operation and recovery after it.
Viral hepatitis B і C are often asymptomatic. A person may not have any complaints, but the infection affects the function of the liver, which plays a key role in the metabolism of anesthetics and medications. That is why testing is a critically important step in preparation.
Why is a hepatitis test needed even if you feel well?
The liver is responsible for neutralizing drugs used during and after surgery. In the presence of viral hepatitis, its functional reserves may be reduced, increasing the risk of complications.
The hepatitis test allows you to:
assess the safety of anesthesia use
choose the right dosage of medications
reduce the risk of postoperative complications
protect medical staff and other patients
plan postoperative follow-up
According to the recommendations World Health Organization, screening for viral hepatitis is a mandatory element of safety in surgical practice.
What tests are included in the hepatitis test before surgery?
Preoperative examination is not a universal «test for all hepatitises.» It includes clearly defined markers that have practical significance for the physician.
| Hepatitis | Analysis | Why is it needed? |
|---|---|---|
| Hepatitis B | HBsAg | Detection of active infection |
| Hepatitis C | Anti-HCV | Determining contact with the virus |
| Hepatitis C (clarification) | PCR (as indicated) | Confirmation of virus activity |
| Hepatitis A | Anti-HAV IgM (rare) | Exclusion of acute infection |
| Hepatitis E | Anti-HEV (as indicated) | Topical for acute symptoms |
The standard preoperative package usually includes tests for hepatitis B and C, as they are of greatest importance for planning the intervention.
Can surgery be postponed or canceled due to hepatitis?
Positive hepatitis test is not an automatic reason for refusing the operation. In most cases, this involves additional risk assessment and correction of treatment tactics.
The doctor can:
prescribe biochemical tests to assess liver function
clarify viral load
change the type or dose of anesthesia
postpone planned surgery until the condition stabilizes
Specialists Mayo Clinic emphasize that most elective surgeries are safely performed even in chronic hepatitis, provided the liver condition is monitored.
When and by what deadline do you need to take the test?
It is recommended to take a hepatitis test. in advance, rather than the day before surgery. This allows time for results and, if necessary, additional consultations.
Usually:
the test is taken 5–10 days before the operation
the results are valid for a limited period determined by the clinic
if surgery is postponed, the analysis may need to be repeated
Early testing reduces the risk of having to postpone the intervention at the last minute.
How to prepare for the analysis
Preparing for a hepatitis test is simple but important for the accuracy of the result.
Recommended:
donate blood on an empty stomach or after 4–6 hours without eating
abstain from alcohol for at least 24 hours
inform the doctor about all medications you are taking
do not postpone the analysis until the day of surgery
The analysis is performed on venous blood and does not take much time.

Why it is beneficial to take a test in a modern laboratory
Getting a hepatitis test before surgery at a certified laboratory ensures accuracy, speed, and official confirmation of results that are accepted by all medical institutions.
Advantages of early testing:
no delays before hospitalization
less stress on the day of surgery
doctor's confidence in the safety of the intervention
predicted course of the postoperative period
A hepatitis test before surgery is not a formality or an unnecessary analysis. It is a responsible step that helps you undergo surgery as safely as possible, without unforeseen risks and with a clear plan for further actions.
