ICD-10-PCS Billable Code

0U923ZZ

Drainage Ovaries, Bilateral to No Qualifier with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemU Female Reproductive System
Operation9 Drainage
Body Part2 Ovaries, Bilateral
Approach3 Percutaneous
DeviceZ No Device
QualifierZ 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 The fluid may be withdrawn with a needle and syringe, through a small incision that is then left open or packed, or via a catheter placed to allow continued drainage over time.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

Ovaries, Bilateral

Bilateral ovarian drainage is reported when fluid, pus, or blood is removed from both ovaries during the same operative episode, a scenario seen with bilateral tubo-ovarian abscesses from severe pelvic inflammatory disease or bilateral hemorrhagic cysts. Because the pathology and intervention affect paired organs symmetrically, this single code captures both sides rather than requiring two separate unilateral codes, but the documentation must clearly show that both ovaries were independently addressed, not just one with incidental fluid noted on the other. Given the severity implied by bilateral involvement, these cases often occur in the setting of significant sepsis or abscess formation, and the operative note should specify whether percutaneous, laparoscopic, or open technique was used and whether drains were left in either or both adnexal regions.

Approach: Percutaneous

Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.

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.

Commonly Confused With

ExcisionDrainage is frequently confused with Excision when a cyst is involved, since both can be described as 'removing' a cyst; the distinguishing detail is whether only the fluid contents were withdrawn (Drainage) or the cyst wall itself was cut out (Excision).
ExtirpationIt is also distinct from Extirpation, which removes solid matter such as clotted blood or debris rather than free fluid, and from Fragmentation, which breaks up solid material in place without necessarily removing it from the body.