0F800ZZ
Division Liver to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | F Hepatobiliary System and Pancreas |
| Operation | 8 Division |
| Body Part | 0 Liver |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Cutting into a body part, without draining fluids and/or gases from the body part, in order to separate or transect a body part
Procedure Overview
Division procedures cut into a duct or tissue plane within the hepatobiliary and pancreatic system to separate structures, without draining any fluid in the process. In this body system, this typically applies to cutting the sphincter of Oddi, the muscular valve controlling flow from the bile and pancreatic ducts into the small intestine, a step sometimes needed to ease passage of stones or to allow better duct drainage.
Because Division is defined by cutting without drainage, it is a narrower category within this body system than in areas like the nervous system where Division is more frequently used - most hepatobiliary procedures that involve cutting a duct also involve draining its contents, which shifts them into a different root operation.
Anatomy & Axis Detail
Liver
The liver is the largest solid abdominal organ, structured into functional segments supplied by independent portal and arterial branches, which allows a surgeon to separate its parenchyma along anatomic or non-anatomic planes without removing tissue. Division of hepatic tissue is used to expose deep structures such as intrahepatic ducts or vessels, to free a segment for later resection, or to create a cleavage plane guided by intraoperative ultrasound that spares major vasculature. The organ's dual blood supply and capacity for regeneration make controlled parenchymal transection distinct from division of most other organs, since bleeding control along the cut surface is a central technical concern. When the procedure is not confined to a named lobe, coding at this level reflects division across the liver generally rather than a segment-specific approach, and documentation should specify the plane and any structures deliberately exposed.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Coding & Documentation
Coders should verify from the operative note that the cutting action did not involve draining fluid or gas from the body part, since that distinction is what separates Division from Drainage or Extirpation in this system. Sphincterotomy performed during ERCP to widen the opening of the bile duct is the most common scenario coded here, and the approach is typically Via Natural or Artificial Opening Endoscopic. A common error is coding a sphincterotomy as Dilation when the physician's language is ambiguous - if tissue was actually cut with a wire or knife rather than stretched with a balloon, Division is correct. Coders also sometimes miss that Division in this body system rarely stands alone, since it's frequently done in the same session as stone removal or duct drainage, requiring multiple codes.