Summary & Overview
CPT 77762: Brachytherapy Implant with 5–10 Radioactive Sources
CPT code 77762 represents a brachytherapy procedure in which five to ten radioactive sources are placed inside a body cavity or tissue near a tumor to deliver targeted radiation. This intracavitary or interstitial implant technique is commonly used for prostate cancer and other pelvic, gynecologic, or thoracic malignancies. The code is important nationally because brachytherapy offers a high-dose, localized radiation option that can reduce exposure to surrounding tissues and is a key component of multimodal cancer care.
Key payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of clinical context, expected sites of service, and the role of CPT code 77762 in treatment pathways, along with operational details relevant to facility billing. The publication outlines what to expect in coverage and reimbursement frameworks, common modifier usage (listed separately), and where this service fits relative to other radiation therapy codes.
This summary equips payers, billing professionals, and clinical administrators with a clear understanding of the procedure's purpose, typical delivery settings, and the national payer landscape relevant to CPT code 77762 without state-specific guidance.
Billing Code Overview
CPT code 77762 describes a brachytherapy implant procedure in which the provider places five to ten radioactive sources inside a body cavity to deliver localized radiation therapy to a tumor. The procedure is used to treat cancers by positioning radioactive implants in or adjacent to the malignancy; prostate cancer is a common indication.
Service Type: Brachytherapy implant — intracavitary/interstitial radioactive source placement
Typical Site of Service: Hospital inpatient or outpatient surgical setting, Ambulatory Surgical Center (ASC), or radiation oncology clinic, depending on patient status and facility capabilities.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 68-year-old man with localized intermediate- to high-risk prostate adenocarcinoma confirmed by prostate biopsy and staging studies. After multidisciplinary tumor board review, the radiation oncologist recommends brachytherapy using permanent low-dose-rate radioactive seed implantation to deliver a high radiation dose to the prostate while sparing surrounding tissues. The clinical workflow includes pre-procedure planning (imaging with transrectal ultrasound and/or pelvic MRI, treatment planning to determine number and activity of sources), informed consent, operating room or procedure-suite setup with anesthesia (local with sedation or spinal/general anesthesia), transperineal implantation of 5–10 radioactive seeds into the prostate under ultrasound guidance, intraoperative dosimetry verification, and short post-anesthesia recovery. Post-procedure instructions cover activity restrictions, urinary symptoms management, and outpatient follow-up with PSA monitoring and possible imaging. Typical sites of service are hospital outpatient departments, ambulatory surgery centers, and radiation oncology procedure suites.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Reportable for increased procedural service | Use when the service involves substantially greater work than typical (rare for routine seed implant unless complexity significantly increased). |