08923ZZ
Drainage Anterior Chamber, Right 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 | 2 Anterior Chamber, Right |
| 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
Anterior Chamber, Right
The anterior chamber of the right eye is the fluid-filled space between the cornea and the iris-lens diaphragm, normally containing clear aqueous humor that maintains intraocular pressure and nourishes avascular structures like the cornea and lens. Drainage of this chamber, commonly performed as anterior chamber paracentesis, is indicated to relieve acutely elevated intraocular pressure, to evacuate a hyphema obscuring vision or risking corneal blood staining, or to obtain aqueous fluid for diagnostic culture or biochemical analysis in suspected endophthalmitis or uveitis. The procedure is typically performed through a small limbal incision under topical or local anesthesia, and because the chamber is shallow and adjacent to the corneal endothelium and iris, technique must avoid instrument contact with these structures to prevent corneal decompensation or iris trauma.
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.