My family doctor did my yearly blood work. his nurse just called me and told me they found strep in my urine. what does that mean?

Bacteria in Urine: It is important to clarify what was meant by "strep in your urine". Most likely they meant that you have Group B Streptococcal Bacteria in your urine. You may either have an active infection or your urinary tract is colonized with the bacteria Antibiotic are effective treatment. This is a more serious issue if your presently or plan to get pregnant and this is not treated appropriately.