Clinical Pearl

Hepatitis B surface Ag (-), surface Ab (-) and core Ab (+)?  It can be one of three things: a false positive cAb, a false negative sAb or, most likely, waning immunity to HBV.  In this last scenario, the amount of protective antibody to a prior infection is too low for assay detection; consider re-immunization.

Advertisements
This entry was posted in Clinical Pearl. Bookmark the permalink.

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s