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Surgery of Primary Site
See the current version of the SEER Program Coding Manual under Reporting Guidelines, Section VII: First course of therapy for complete coding instructions for the surgery data items or Appendix C of the current version of the SEER Program Coding Manual for a complete listing of the breast surgery codes and their descriptions.
Surgery is the most common form of treatment for breast cancers.
| Surgical Procedure | Comments |
|---|---|
| Excisional breast biopsy (breast conserving surgery) | Also known as Lumpectomy, attempts to remove the entire tumor with clear margins |
| Re-excision of margins (breast conserving surgery) | Performed when an excisional biopsy/lumpectomy specimen has positive margins |
| Central lumpectomy (breast conserving surgery) | Removes the nipple areolar complex |
| Skin-sparing mastectomy | Removes all breast tissue and the nipple areolar complex and preserves native breast tissue |
| Nipple sparing mastectomy | Removes all breast tissue but preserves the nipple areolar complex and breast skin |
| Areolar sparing mastectomy | Removes all breast tissue and the nipple but preserves the areolar and breast skin |
| Total (simple) mastectomy | Removes all breast tissue, the nipple, areolar complex, and breast skin |
| Radical mastectomy | Removes all breast tissue, the nipple areolar complex, breast skin, and pectoralis muscle |
Document surgery details in NAACCR Item # 2610: Text-Dx Proc-Surg
Updated: January 10, 2025