Currently required viral hepatitis marker tests include all of the following except which one?

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Multiple Choice

Currently required viral hepatitis marker tests include all of the following except which one?

Explanation:
Markers for hepatitis B status focus on detecting current infection, past exposure, and immunity: HBsAg indicates an active HBV infection, anti-HBc shows prior exposure to HBV, and anti-HBs reveals immunity from vaccination or recovery. Anti-HAV detects hepatitis A exposure or immunity, but it is not part of the standard hepatitis B marker panel and is not routinely required in this setting. Thus anti-HAV is the one not currently required.

Markers for hepatitis B status focus on detecting current infection, past exposure, and immunity: HBsAg indicates an active HBV infection, anti-HBc shows prior exposure to HBV, and anti-HBs reveals immunity from vaccination or recovery. Anti-HAV detects hepatitis A exposure or immunity, but it is not part of the standard hepatitis B marker panel and is not routinely required in this setting. Thus anti-HAV is the one not currently required.

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