0FTC7ZZ
Resection Ampulla of Vater 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 | F Hepatobiliary System and Pancreas |
| Operation | T Resection |
| Body Part | C Ampulla of Vater |
| Approach | 7 Via Natural or Artificial Opening |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Cutting out or off, without replacement, all of a body part
Procedure Overview
Resection covers the complete removal of a hepatobiliary or pancreatic organ or anatomically distinct portion, without replacing it with a graft or device. The most familiar example is cholecystectomy, the complete removal of the gallbladder, typically performed for symptomatic gallstones, chronic inflammation, or gallbladder cancer. Other examples include total pancreatectomy and complete removal of an anatomically whole lobe of the liver when disease affects the entire segment.
These procedures are chosen when disease, such as cancer, severe infection, or irreversible organ damage, involves an entire anatomically distinct body part and leaving any of it behind would not resolve the underlying problem. Because the liver and pancreas perform essential metabolic and digestive functions, surgeons carefully weigh how much can be safely removed before turning to resection of a whole part rather than a partial excision.
Anatomy & Axis Detail
Ampulla of Vater
The ampulla of Vater is the short common channel where the distal common bile duct and main pancreatic duct converge before emptying through the duodenal papilla, surrounded by the sphincter of Oddi that regulates flow of bile and pancreatic secretions into the duodenum. Its unique position at the crossroads of three organ systems makes it a distinct site for adenoma and ampullary adenocarcinoma, tumors that often present early with jaundice because they obstruct the duct despite being relatively small. Resection of the ampulla is accomplished either by local transduodenal ampullectomy for early or benign lesions or, for invasive cancer, as part of a pancreaticoduodenectomy, since the ampulla's shared anatomy with the duct termini and duodenal wall usually precludes clean removal without addressing adjacent structures. Coding as Resection applies to complete ampullary excision without device replacement.
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
For Resection to apply, the documentation must show that an entire anatomically distinct body part, such as the whole gallbladder, an entire hepatic lobe, or the whole pancreas, was removed, not just a margin or lesion. When only a portion of an organ is taken, such as a wedge of liver tissue or the pancreatic tail alone, the case should instead be coded as an excision, a distinction that trips up coders regularly. Pathology and operative reports should be cross-referenced to confirm the full extent of what was removed and whether any organ tissue remained in the patient.