CPT® Code 19296

Placement of radiotherapy afterloading expandable catheter (single or multichannel) into the breast for interstitial radioelement application following partial mastectomy, includes imaging guidance; on date separate from partial mastectomy

The CPT® Code 19296 refers to the procedure involving the placement of a radiotherapy afterloading expandable catheter into the breast for the purpose of interstitial radioelement application. This procedure is specifically performed following a partial mastectomy, which is a surgical operation that removes a portion of breast tissue while preserving the remaining breast. The placement of the catheter is crucial as it allows for targeted radiation therapy directly into the surgical cavity, which is the space left after the removal of the tissue. This method of delivering radiation is known as interstitial radiotherapy, and it is designed to treat the area where the tumor was located, along with a small margin of surrounding tissue, rather than irradiating the entire breast. The use of an expandable catheter, which can be either single or multichannel, enhances the precision of the treatment. The procedure is typically completed in a matter of days, significantly reducing the treatment time compared to traditional radiation therapy that may span several weeks. The process begins with the creation of a pathway into the surgical cavity using a trocar, which is guided by ultrasound imaging. Once the pathway is established, the trocar is removed, and the applicator is inserted into the cavity in a closed position. The catheter is then expanded to fit the cavity's dimensions, allowing for optimal placement and delivery of the radiation source. This technique combines the advantages of tissue-sparing interstitial brachytherapy with the convenience of intracavitary balloon brachytherapy, providing a flexible and effective treatment option for patients. It is important to note that this procedure can be performed on a date separate from the partial mastectomy or on the same day, depending on the clinical scenario.