polypectomy

DEFINITION of polypectomy

Polypectomy is the surgical excision or removal of a polyp, a localized tissue overgrowth extending from a mucosal surface into a body cavity. It distinguishes itself from a simple biopsy, which only samples a portion of the tissue for diagnostic purposes, and a broader tissue resection (like a colectomy), which removes the underlying organ wall or a larger segment of the organ. The underlying mechanical process typically involves severing the polyp’s stalk or base using specialized endoscopic tools such as a wire snare, electrosurgical cautery, or cold forceps, simultaneously achieving tissue removal and hemostasis. While polyps are inherently pathological or abnormal growths, the procedure is largely prophylactic, aimed at preventing malignant transformation (such as the adenoma-carcinoma sequence in the colon) or relieving obstructive/bleeding symptoms. Clinically relevant subtypes are categorized primarily by the anatomical site and surgical technique, such as colonoscopic snare polypectomy (to treat conditions coded as D12.6 or K63.5) or hysteroscopic polypectomy (for N84.0). It is commonly confused with mucosal resection; however, standard polypectomy targets distinct, protuberant lesions, whereas endoscopic mucosal resection (EMR) is used for flatter, wider, and more complex mucosal lesions requiring submucosal fluid injection to lift the tissue prior to removal.

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ETYMOLOGY of polypectomy

greek latin

Component	Origin	Meaning
polyp-	Latin polypus, from Greek polypous (πολύπους)	“many-footed,” “polyp” — medical root referring to a projecting growth from a mucous surface
-ectomy	Greek ektomē (ἐκτομή)	Noun-forming suffix — “excision,” “surgical removal,” “cutting out”

The word entered English in the late 19th century as polypectomy (noun), combining the Latin/Greek hybrid root for the anatomical growth with the standard Greek surgical suffix — literally “surgical excision of a polyp.” The root polypous (“many-footed”) originally described aquatic animals like octopuses before being adapted by ancient physicians (like Galen) to describe nasal tumors that appeared to have multiple “feet” or roots. It connects polypectomy to the entire -polyp family: polyposis (condition of having multiple polyps), polypoid (resembling a polyp), and adenomatous polyp (a specific glandular type). The suffix -ectomy is highly productive in medical terminology for surgical removals, appearing in terms like appendectomy, mastectomy, and tonsillectomy.

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🔀 ALIASES / ALTERNATE TERMS

• Polypectomies (plural noun — used when multiple growths are removed, e.g., “multiple polypectomies were performed”)
• Polyp removal (lay term — frequently used in patient education materials for colonoscopy or hysteroscopy)
• Snare polypectomy (procedural subtype — the use of a wire loop to encircle, strangulate, and sever the polyp base, often with electrocautery)
• Hot biopsy (procedural subtype — use of energized biopsy forceps to simultaneously grab and burn away a diminutive polyp)
• Cold forceps polypectomy (procedural subtype — mechanical avulsion of a small polyp using forceps without electrical current)
• Hysteroscopic polypectomy (anatomic subtype — removal of endometrial or cervical polyps via scope inserted through the vagina)
• Nasal polypectomy (anatomic subtype — excision of inflammatory polyps from the nasal cavity or paranasal sinuses)

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🔗 RELATED TERMS

• Biopsy — the sampling of tissue; differs from polypectomy in that the intent is solely diagnostic, often leaving a portion of the lesion behind.
• Endoscopic Mucosal Resection (EMR) — a more advanced technique than simple polypectomy, involving the injection of a liquid cushion under a flat polyp to elevate it for safer, deeper snare excision.
• Colectomy — surgical removal of all or part of the colon; occasionally required if a polyp is too large, malignant, or inaccessible for standard endoscopic polypectomy.
• Polyp — the underlying pathological entity being treated; a discrete mass of tissue that protrudes into the lumen of a hollow organ.
• Adenoma — a benign tumor of glandular origin; in the colon, adenomas are the pre-malignant polyps most frequently targeted by polypectomy.
• Hyperplastic polyp — a common type of colonic polyp that is generally benign and carries a much lower risk of malignancy than adenomas.
• Familial Adenomatous Polyposis (FAP) — a genetic disease entity characterized by hundreds of colonic polyps, eventually requiring prophylactic colectomy rather than individual polypectomies (coded as D12.6).

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CODING CORNER

🏥 ICD-10-CM CODES

Gastrointestinal Polyps (Target for Colonoscopy/EGD)

Code	Description
K63.5	Polyp of colon
D12.6	Benign neoplasm of colon, unspecified (often used for adenomatous polyps)
K31.7	Polyp of stomach and duodenum
D13.1	Benign neoplasm of stomach
K62.1	Rectal polyp

Gynecological Polyps (Target for Hysteroscopy)

Code	Description
N84.0	Polyp of corpus uteri (endometrial polyp)
N84.1	Polyp of cervix uteri
N84.2	Polyp of vagina

Otolaryngological Polyps (Target for Nasal Endoscopy)

Code	Description
J33.0	Polyp of nasal cavity
J33.1	Polypoid sinus degeneration
J33.8	Other polyp of sinus
J33.9	Nasal polyp, unspecified

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🔧 COMMON CPT CODES (Polypectomy Procedures)

CPT Code	Description
45385	Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
45384	Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
45380	Colonoscopy, flexible; with biopsy, single or multiple (used if polyps are removed via cold forceps)
43251	Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
58558	Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
31237	Nasal/sinus endoscopy, surgical; with biopsy, polypectomy or debridement (separate procedure)

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⚠️ Coding Note: In lower GI endoscopy profee coding, the specific CPT code is driven entirely by the technique used for removal, not the size or number of polyps. For example, if a gastroenterologist removes three polyps using a snare, you report 45385 only once. However, if a provider removes one polyp via snare and a separate, distinct polyp via cold forceps in a different anatomical segment of the colon, you may report both 45385 and 45380, appending modifier -59 (Distinct Procedural Service) or the appropriate X-modifier (e.g., -XS for separate structure/site) to the lesser valued code (45380) to bypass NCCI edits. An undercoding alert: coders frequently miss the distinction between cold forceps removal and snare removal; carefully read the operative report for the trigger word “snare” or “cautery” to ensure you are not defaulting to the lower-paying biopsy code (45380) when a therapeutic snare polypectomy (45385) was performed. Finally, verify pathology reports when assigning ICD-10-CM codes; an initial clinical diagnosis of “colon polyp” (K63.5) should be updated to “benign neoplasm” (D12.6) if pathology confirms an adenoma.

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DERIVATIONS of polypectomy

TABLE definition AS Definition
FROM #medterm 
WHERE length(filter(roots, (word) => econtains([[polypectomy]].roots, word))) > 0 AND file.name != [[polypectomy]].file.name
SORT file.name ASC

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Query functionality

TABLE definition AS Definition
FROM #medterm 
WHERE length(filter(definition, (word) => econtains([[polypectomy]].definition, word))) > 0 AND file.name != [[polypectomy]].file.name

Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms