![HEPATITIS B, S ANTIBODIES [ANTI-HBS]](https://static.wixstatic.com/media/e5e7e2_2eadfbb2d23c4a18a0d39259ea2bc70e~mv2.jpg/v1/fill/w_980,h_690,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/laboratorio%20clinico%20-%20toma%20de%20muestras%20-%20medico%20sosteniendo%20muestra%20de%20laboratorio.jpg)
Sample type:
SERUM
NO
Ayuno
M,T,W,T,F,S
Mounting Days
2 - 3 BUSINESS DAYS
Results
Benefits
- 1. Identification of previous exposure to the hepatitis B virus.
2. Diagnosis of past or present infection by the virus.
3. Monitoring of the immune response against the virus.
4. Monitoring of acquired immunity.
5. Evaluation of the effectiveness of vaccination against hepatitis B.

The Hepatitis B Surface Antibody S (Anti-HBS) test is intended to identify the presence of specific antibodies that provide immunity against the virus. These antibodies are produced as a result of vaccination or as an immune response following a previous infection.
Clinical Indications:
Immunity Assessment: The presence of Anti-HBS antibodies indicates immunity against the Hepatitis B virus, either from vaccination or from a resolved infection.
Vaccination Response Check: Used to confirm whether the Hepatitis B vaccine has generated an adequate immune response.
Sample Collection Procedure:
A blood sample is obtained by standard venipuncture, usually from a vein in the arm. The patient does not usually require prolonged fasting and the procedure is quick. The sample is sent to the laboratory for analysis of Anti-HBS antibodies.
Patient Preparation:
In most cases, no special preparation is needed before the blood sample is drawn.
Additional Considerations:
The presence of Anti-HBS antibodies indicates protection or immunity against the Hepatitis B virus.
Interpretation of the results should be performed by a health professional to obtain an accurate diagnosis.
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