CPT Code 99213: Office or other outpatient visit for the evaluation and management of an established patient. CPT Code 59400: Routine obstetric care including antepartum care, vaginal delivery, and postpartum care. ICD-10 Code N92.1: Excessive and frequent menstruation with regular cycle. ICD-10 Code Z30.430: Encounter for insertion of intrauterine contraceptive device.