Medicare covers these screening tests once every 24 months. Medicare covers these screening tests once every 12 months if you’re at high risk for cervical or vaginal cancer, or if you’re of child-bearing age and had an abnormal Pap test in the past 36 months.
Part B also covers Human Papillomavirus (HPV) tests (when received with a Pap test) once every 5 years if you’re age 30– 65 without HPV symptoms.
You pay nothing for the lab Pap test or for the lab HPV with Pap test if your doctor or other qualified health care provider accepts assignment. You also pay nothing for the Pap test specimen collection and pelvic and breast exams if the doctor or other qualified health care provider accepts assignment.
Source: Medicare & You 2017