Colon & Rectal Surgery Billing
Colon and rectal surgery billing covers screening and diagnostic procedures, surgery and follow-up care. A screening colonoscopy can become diagnostic mid-procedure, which changes how it is coded and paid, so accurate modifiers and documentation matter.
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Common Conditions Billed in Colorectal Surgery
Colorectal cancer screening
Colon polyps
Hemorrhoids
Anal fissures and fistulas
Diverticular disease
Inflammatory bowel disease (Crohn’s, ulcerative colitis)
Rectal prolapse
Bowel incontinence
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Common Colorectal Surgery Billing Codes
✅ Frequently Billed Services
| CPT Code | Description |
|---|---|
| 99202–99215 | New/established patient office visits |
| 45378 | Diagnostic colonoscopy |
| 45380 | Colonoscopy with biopsy |
| 45385 | Colonoscopy with polyp removal by snare |
| 46250 | Hemorrhoidectomy, external, complete |
Modifiers 33 and PT, and correct handling of screening that turns diagnostic, are key to avoiding patient billing surprises. Our team reviews coding, submits clean claims, follows up on denials and recovers unpaid accounts receivable for colorectal practices.
