CPT® Code 89346

1. Indications

The storage of oocyte(s) is indicated for various scenarios related to assisted reproductive procedures. The following conditions may warrant the use of this procedure:

• Fertility Preservation Oocyte storage is often utilized by individuals undergoing medical treatments, such as chemotherapy or radiation, that may adversely affect their fertility.
• Delayed Childbearing Women who wish to postpone pregnancy for personal, educational, or career reasons may choose to store their oocytes for future use.
• Infertility Treatments Oocyte storage is a critical component of fertility treatments for couples experiencing infertility, allowing for the use of previously harvested oocytes in future cycles.

2. Procedure

The procedure for the storage of oocyte(s) involves several key steps to ensure the proper preservation of the reproductive cells. Each step is crucial for maintaining the viability of the oocytes during the storage period.

• Step 1: Oocyte Retrieval The first step involves the retrieval of oocytes from the ovaries, typically performed through a minor surgical procedure known as transvaginal ultrasound aspiration. This procedure is conducted under sedation or anesthesia to ensure patient comfort.
• Step 2: Oocyte Preparation Once retrieved, the oocytes are carefully assessed for quality and maturity. Only those that meet specific criteria for viability are selected for storage. This preparation may involve washing and processing the oocytes to remove any surrounding cells or debris.
• Step 3: Cryopreservation The selected oocytes are then subjected to a cryopreservation process, which involves the gradual cooling of the cells to prevent ice crystal formation. This is typically achieved using a cryoprotectant solution that helps protect the oocytes during freezing.
• Step 4: Storage After cryopreservation, the oocytes are stored in specialized containers and placed in liquid nitrogen tanks. The storage conditions are meticulously monitored to ensure that the temperature remains at -270 degrees Celsius, which is essential for long-term preservation.
• Step 5: Monitoring Regular checks are conducted to monitor the liquid nitrogen levels and overall storage conditions. This ensures that the oocytes remain in optimal conditions throughout the storage period, safeguarding their viability for future use.

3. Post-Procedure

Post-procedure care for oocyte storage primarily involves ongoing monitoring of the storage conditions. Patients do not require any specific recovery measures following the oocyte retrieval, as this is a minimally invasive procedure. However, it is essential for the fertility clinic or laboratory to maintain accurate records of the storage duration and conditions. Patients may be advised on the expected duration of storage and the process for future use of the oocytes, including any necessary steps for thawing and fertilization when they are ready to attempt pregnancy. Additionally, patients should be informed about the potential risks and success rates associated with using stored oocytes in future assisted reproductive procedures.