STD screening test usually do not include herpes. Make sure your tests included type specific tests for herpes, IgG.
Get a swab done of the bump asap - best way to know.
Thnaks but we have been tested. I get tested every year.
You should be seen by your provider for a proper work up. They can do a lesion culture to find out if it is herpes. You and your partner should be tested to know who has what and request a type specifc igg blood test for herpes.