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Excision Breast, Left to No Qualifier with No Device, Via Natural or Artificial Opening Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | H Skin and Breast |
| Operation | B Excision |
| Body Part | U Breast, Left |
| Approach | 7 Via Natural or Artificial Opening |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Cutting out or off, without replacement, a portion of a body part
Procedure Overview
Excision procedures remove a portion of skin or breast tissue without replacing it, and this family spans everything from a shave biopsy of a suspicious mole to a lumpectomy removing a breast tumor with a margin of surrounding tissue. The common thread is that a defined piece of tissue, not the entire organ or structure, is cut away and typically sent to a pathology lab for examination.
Patients most often encounter this family when a mole, cyst, or lump needs to be evaluated or treated, or when a breast biopsy is needed to characterize a finding seen on imaging. Because only part of the body part is taken, the surrounding skin or breast tissue remains intact, which distinguishes these procedures from more extensive surgery that removes an entire structure.
Anatomy & Axis Detail
Breast, Left
Excision of the left breast follows the same principles as the right side but must be coded distinctly to reflect laterality, an important distinction since breast pathology, prior surgical history, and radiation planning are often side-specific. The procedure typically addresses a biopsy-confirmed lesion, cyst, or fibroadenoma, or serves as a lumpectomy for localized malignancy, removing a defined segment of glandular and fibrofatty tissue while sparing the overlying skin and nipple-areolar complex when oncologically appropriate. Because breast tissue is highly vascular and hormonally responsive, timing relative to the menstrual cycle can occasionally affect tissue handling and cosmetic outcome. Wire or radioactive seed localization is frequently used beforehand for nonpalpable lesions to guide the surgeon to the correct quadrant, and the excised specimen is typically oriented for the pathologist before margins are assessed.
Approach: Via Natural or Artificial Opening
Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.
Coding & Documentation
Documentation should describe the amount of tissue removed, any margins taken, and whether the intent was diagnostic (an excisional biopsy) or therapeutic. Coders must pay close attention to whether the note describes removal of only part of the breast or skin versus the entire body part, since removing an entire breast is coded to Resection rather than Excision even though both involve cutting tissue away. A common mistake is coding a partial mastectomy or wide local excision as Resection out of habit, or conversely under-coding a case that actually removed the whole breast as Excision.