First visit to urologist. Don't go for tests blindly.
Urologist will examine the patient and then he will go for approximate tests like urine C/S, urine R/M, CBC, RFT, blood
sugar, USG etc.
Detailed history is needed along with examination.
Next Steps
Probably she might be having UTI, very rarely but any bleeding disease near the urethral opening or nearby sites. Examination is must here because patient is aged so we have to be extracautious.