38900 Io map of sent lymph node
Also known as: SLNB, sentinel node mapping, IO map
Intraoperative mapping of sentinel lymph node using radioisotope or fluorescent tracer during surgical excision. This technique identifies the first lymph node that drains from a tumor site to assess lymphatic spread.
Clinical Context
Essential in breast cancer surgery, melanoma, head and neck cancers to determine staging and extent of lymph node dissection needed. Helps avoid unnecessary removal of multiple lymph nodes.
RVU Breakdown
| Work RVU | 2.44 |
| Practice Expense RVU | 1.31 |
| Malpractice RVU | 0.59 |
| Total RVU | 4.34 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Specialties
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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.