There is a low change you could get gonorrhea, chlamydia, NGU, genital herpes type 1, and syphilis from the oral sex, if that was unprotected. Oral sex is lower risk than PIV.
If you used a condom for the entire thing, I wouldn't worry about a thing. Even if you didn't use one for oral sex, I wouldn't worry unless you get symptoms. Most experts don't think a single act of unprotected oral sex warrants testing.