Using the ICD-10 book, assign the proper diagnosis code to the following: Case Study 6 Physicians Office Note This 25-year old female patient present today with dysuria, flank pain, and low back pain. Symptoms have been present for 3 days. Urinalysis was completed and showed 110,000 bacteria per milliliter and C&S showed E. coli present. Prescription was written for antibiotics to treat the urinary tract infection. Patient was return to my office in 10 days for follow-up urinalysis.