0U940ZZ
Drainage Uterine Supporting Structure to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | U Female Reproductive System |
| Operation | 9 Drainage |
| Body Part | 4 Uterine Supporting Structure |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Taking or letting out fluids and/or gases from a body part
Procedure Overview
Drainage procedures remove fluid or gas from a body part in the female reproductive system, most commonly to relieve pressure or infection from a collection such as a pelvic abscess, an infected fallopian tube, or a fluid-filled ovarian cyst. The fluid may be withdrawn with a needle and syringe, through a small incision that is then left open or packed, or via a catheter placed to allow continued drainage over time.
This type of procedure is typically performed when a collection of pus, blood, or cystic fluid is causing pain, fever, or pressure on nearby structures and needs to be evacuated for the patient to improve. Culdocentesis, in which fluid is aspirated from the pouch behind the uterus to evaluate for internal bleeding or infection, and percutaneous or laparoscopic drainage of a tubo-ovarian abscess are typical examples, and the approach can range from a simple office aspiration to a more involved procedure requiring imaging guidance or surgical access.
Anatomy & Axis Detail
Uterine Supporting Structure
Drainage applied to the uterine supporting structures targets fluid collections, most often abscesses or hematomas, within the cardinal, uterosacral, broad, or round ligament tissue rather than within the uterus itself. Such collections can arise from parametritis, a complication of pelvic infection tracking along the broad ligament, or from a hematoma following pelvic surgery or obstetric trauma that dissects into the supporting ligamentous planes. Because these structures lie adjacent to the ureters, uterine vessels, and pelvic sidewall, drainage in this region carries a higher risk of injury to nearby vasculature and requires careful imaging correlation beforehand. The operative note should specify which ligamentous compartment harbored the fluid and confirm that the pathology was within supporting tissue rather than the uterine body or cervix, which would be coded separately.
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
Supporting documentation should describe fluid or gas being taken or let out of a specific body part, along with the method of access - needle aspiration, incision and drainage, or catheter placement - and whether the drainage device was left in place afterward. If a drainage catheter remains after the procedure, the encounter is typically coded with the qualifier indicating a device was left in, and coders need to check the note carefully for that detail since it changes the code selection even though the root operation stays Drainage. A common mistake is coding Drainage when the procedure actually involved removing an entire fluid-filled structure, such as a cyst, along with its wall, which should instead be coded as Excision or Resection of the cyst.