77750 Infuse radioactive materials
Also known as: Radioactive infusion, Systemic radiotherapy
Infusion of radioactive material for therapeutic radioisotope treatment.
In Plain Language
Injection of radioactive liquid for cancer treatment
Clinical Context
Systemic administration of therapeutic radioisotopes such as Iodine-131 or Lutetium-177. Used for thyroid cancer and neuroendocrine tumors.
RVU Breakdown
| Work RVU | 4.88 |
| Total RVU | 4.88 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 4.88, this code ranks in the 99th percentile among Radiology codes — 6.0x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77750?
CPT 77750 (Infuse radioactive materials) is a Radiology code. Infusion of radioactive material for therapeutic radioisotope treatment.
Who uses CPT code 77750?
CPT 77750 is used by Radiation Oncology, Nuclear Medicine. Systemic administration of therapeutic radioisotopes such as Iodine-131 or Lutetium-177. Used for thyroid cancer and neuroendocrine tumors.
When is CPT 77750 used?
Systemic administration of therapeutic radioisotopes such as Iodine-131 or Lutetium-177. Used for thyroid cancer and neuroendocrine tumors.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.