Below is a list summarizing the CPT codes for diagnostic ultrasound procedures of the pelvis non-obstetrical.
CPT Code 76830
CPT 76830 describes a transvaginal ultrasound.
CPT Code 76831
CPT 76831 describes Saline infusion sonohysterography (SIS), including color flow Doppler, when performed.
CPT Code 76856
CPT 76856 describes ultrasound, pelvic (nonobstetric), real-time with image documentation; complete.
CPT Code 76857
CPT 76857 describes ultrasound, pelvic (nonobstetric) with real-time imaging and documentation, limited or for follow-up purposes such as for follicles.