089B3ZZ
Drainage Choroid, Left to No Qualifier with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 8 Eye |
| Operation | 9 Drainage |
| Body Part | B Choroid, Left |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Taking or letting out fluids and/or gases from a body part
Procedure Overview
This family covers procedures that remove excess fluid, blood, pus, or other unwanted material from a space in or around the eye, without leaving behind a permanent device or creating a new pathway. Examples include draining a chalazion or eyelid abscess, aspirating fluid from the anterior chamber to relieve sudden pressure spikes, or removing blood or infected material that has accumulated within the eye following trauma or infection.
These procedures are typically performed to relieve pain, pressure, or the risk of tissue damage caused by trapped fluid, and they range from a simple in-office needle aspiration to a more involved surgical drainage performed in an operating room, depending on the location and cause of the fluid buildup.
Anatomy & Axis Detail
Choroid, Left
The choroid of the left eye is the pigmented, blood-vessel-rich layer sandwiched between sclera and retina, and its vascular density makes it prone to hemorrhagic or serous fluid collections that separate it from the sclera. Drainage is performed to evacuate a suprachoroidal hemorrhage or effusion, commonly arising after intraocular surgery, blunt trauma, or abrupt hypotony, situations where the accumulating fluid can push the retina forward and threaten vision. Reaching this deep vascular layer requires a scleral approach, often through a posterior sclerotomy, since the choroid itself is not directly accessible from the ocular surface. The urgency of these cases, and their frequent pairing with vitreoretinal work, makes accurate documentation of the approach and any indwelling drain essential for correctly capturing the procedure separate from concurrent retinal repair.
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
The operative note should specify the exact fluid collection location, such as the anterior chamber, vitreous, or a specific eyelid structure, and confirm that the procedure's purpose was solely to remove fluid, with no device left in place and no new permanent channel created. Coders should watch for whether a diagnostic sample was sent for culture or analysis, since that detail does not change the root operation but may prompt a qualifier for diagnostic intent. A frequent mistake is coding a therapeutic paracentesis as Drainage when the physician actually intended to relieve pressure through an implanted shunt, which belongs under Bypass instead.