0FMC4ZZ
Reattachment Ampulla of Vater to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | F Hepatobiliary System and Pancreas |
| Operation | M Reattachment |
| Body Part | C Ampulla of Vater |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Putting back in or on all or a portion of a separated body part to its normal location or other suitable location
Procedure Overview
Reattachment describes putting a portion of the liver, gallbladder, bile duct, or pancreas back into its normal anatomic location after it has been completely or partially separated from the body, most commonly following traumatic injury such as a laceration or avulsion, or as part of a planned surgery like a liver transplant where vascular and ductal connections must be reconnected. It reconnects blood vessels and other structures so the reattached tissue can resume normal function.
This is a highly specialized procedure typically performed in the setting of severe trauma, organ transplantation, or occasionally after a segment of the pancreas or bile duct has been surgically detached and needs to be rejoined rather than removed. It differs from routine repair because the body part had actually become separated, whether by injury or intentional surgical detachment, before being restored to its location.
Because of the complexity of the vascular and ductal anatomy in this region, reattachment procedures carry significant surgical risk and are usually performed at specialized trauma or transplant centers.
Anatomy & Axis Detail
Ampulla of Vater
The ampulla of Vater is the short common channel where the pancreatic duct and common bile duct converge before emptying into the duodenum through the major duodenal papilla, and it is encircled by the sphincter of Oddi that regulates flow of both bile and pancreatic secretions. Reattachment of this structure is rare and typically follows traumatic avulsion or surgical injury during procedures near the duodenal wall, where the ampullary complex is reconnected to its native opening into the duodenum. Because the ampulla integrates two separate ductal systems in a confined anatomic space, reattachment requires precise realignment to preserve both bile and pancreatic outflow and to avoid disrupting the sphincter mechanism. Operative notes should clearly distinguish reattachment from sphincteroplasty or duct reimplantation procedures that create a new rather than restored connection.
Approach: Percutaneous Endoscopic
Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.
Coding & Documentation
This code is assigned when documentation shows a body part that was completely or partially cut off was surgically reconnected to its vascular supply and anatomic position, such as reattaching a lacerated liver segment or connecting the donor and recipient structures in a transplant. The operative note should specify the body part reattached and confirm that separation had actually occurred, not merely that tissue was repaired in place.
A common coding mistake is applying Reattachment to simple suturing or repair of a laceration that never fully separated the tissue, which instead belongs under Repair. Coders should also be careful with transplant cases, where the transplant itself is coded separately from any reattachment of native structures, and should verify exactly which vessels or ducts were reconnected if multiple body part values apply.