CPT® Code 58356

1. Indications

The procedure of endometrial cryoablation with ultrasonic guidance is indicated for the treatment of various conditions affecting the endometrium, particularly when conservative management has failed or is not appropriate. The following indications are explicitly associated with this procedure:

• Abnormal Uterine Bleeding - This includes heavy menstrual bleeding (menorrhagia) that is not responsive to medical therapy.
• Endometrial Hyperplasia - A condition characterized by the thickening of the endometrial lining, which can lead to abnormal bleeding and may increase the risk of developing endometrial cancer.
• Uterine Fibroids - Noncancerous growths in the uterus that can cause heavy bleeding and discomfort.

2. Procedure

The procedure of endometrial cryoablation with ultrasonic guidance involves several key steps to ensure effective treatment of the endometrial lining. The following procedural steps are performed:

• Step 1: Cervical Stabilization - A single-toothed tenaculum is placed on the anterior cervical lip to stabilize the cervix, allowing for better access to the uterine cavity.
• Step 2: Uterine Sounding - The uterus is sounded to measure its depth and assess its size, which is crucial for proper placement of the cryoprobe.
• Step 3: Cervical Canal Preparation - The diameter of the cervical canal is checked and dilated as needed to facilitate the insertion of the cryoprobe.
• Step 4: Suction Curettage - A suction curettage may be performed to thin the endometrial lining, ensuring that the cryoablation is effective.
• Step 5: Cryoprobe Insertion - Under ultrasound guidance, the cryoprobe is inserted through the cervix and into the uterus, with the tip directed towards the right or left uterine horn.
• Step 6: Saline Injection - Sterile saline is injected into the uterus to remove air and improve ultrasound visualization during the procedure.
• Step 7: Freezing Cycle Initiation - The cryoprobe is activated, and the first freezing cycle is initiated. One or two freeze-thaw cycles may be performed in each freezing zone.
• Step 8: Repositioning the Cryoprobe - Once adequate freezing is achieved in the first zone, the cryoprobe tip is repositioned adjacent to the contralateral horn, and the freeze-thaw cycles are repeated.
• Step 9: Additional Freezing Zones - Some physicians may perform the procedure using three freeze zones, with the third zone located in the lower uterine segment.
• Step 10: Completion of the Procedure - Upon completion of the freezing procedure, the cryoprobe and tenaculum are removed, and any bleeding from the cervix is controlled as necessary.

3. Post-Procedure

After the endometrial cryoablation procedure, patients may experience some cramping and spotting, which is generally expected. Post-procedure care includes monitoring for any excessive bleeding or signs of infection. Patients are typically advised to avoid sexual intercourse, tampons, and douching for a specified period to allow for proper healing. Follow-up appointments may be scheduled to assess recovery and the effectiveness of the procedure in alleviating symptoms. It is important for patients to report any unusual symptoms or concerns to their healthcare provider during the recovery period.