ICD-10-PCS Billable Code

0CBN0ZX

Excision Uvula to Diagnostic with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemC Mouth and Throat
OperationB Excision
Body PartN Uvula
Approach0 Open
DeviceZ No Device
QualifierX Diagnostic

Operation Definition

Cutting out or off, without replacement, a portion of a body part

Procedure Overview

Excision procedures in the mouth and throat remove a defined portion of tissue - a lesion, ulcer, or mass - from structures such as the lips, tongue, gums, palate, tonsils, adenoids, uvula, or pharynx, while leaving the rest of the structure in place. Surgeons perform them to obtain tissue for biopsy, remove precancerous or cancerous growths with a margin of healthy tissue, treat chronic infection or airway obstruction, or reshape structures like an elongated uvula or excess soft palate tissue contributing to snoring or sleep apnea. Because only part of the body part is taken and nothing replaces it, the structure keeps functioning afterward, sometimes with a changed contour, sensation, or speech quality at the site. Most of these procedures are outpatient. Recovery time and side effects such as swallowing discomfort, taste changes, or temporary speech alteration scale with how much tissue was removed and its location; larger oral or tongue excisions occasionally require reconstruction with a local flap or graft.

Anatomy & Axis Detail

Uvula

The uvula is the small conical projection of muscle and mucosa hanging from the free edge of the soft palate at the back of the throat, contributing to palatal closure during swallowing and speech and implicated in snoring and some cases of obstructive sleep apnea. Excision of part or all of the uvula is most commonly performed as a component of uvulopalatopharyngoplasty or a related airway procedure, sometimes combined with tonsillectomy, to reduce soft tissue redundancy at the oropharyngeal inlet. Because the uvula is small and thin, the excised portion is usually a limited segment of tissue rather than a bulky specimen, and care is taken to avoid excessive removal, which can contribute to velopharyngeal insufficiency affecting speech and swallowing. Coding should reflect that this is distinct from soft palate excision even though the two structures are contiguous.

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.

Qualifier: Diagnostic

Applied chiefly to Excision, this qualifier marks that tissue was removed specifically for diagnostic purposes, i.e., a biopsy intended for pathologic evaluation rather than to treat disease. It distinguishes biopsy-type excisions from therapeutic excisions of the same body part, which are coded without this qualifier even though the physical technique may be identical.

Coding & Documentation

A coder assigns an excision code when the operative note documents cutting a portion of tissue from an otherwise intact body part - a biopsy, a partial glossectomy, a wedge resection of a lip lesion, or a partial tonsillectomy. The note must specify the exact anatomic site and make clear that only part of the structure was removed, since a complete tonsillectomy or full removal of a body part meets the criteria for Resection instead. That distinction is the most common assignment error in this family - coders sometimes default to Excision for any tonsil or adenoid procedure without checking whether the note says "entire" or "total." Another frequent mistake is coding removal of debris, mucus, or a foreign object as Excision when it actually describes Extirpation, and overlooking laterality for paired structures like the gums or buccal mucosa.

Commonly Confused With

ResectionExcision is most often confused with Resection: Resection removes an entire body part, while Excision takes only a portion, so a complete tonsillectomy is Resection and a partial one is Excision.
ExtirpationIt is also confused with Extirpation, which takes out solid matter such as a calculus or foreign body rather than native tissue, and with Destruction, which eliminates abnormal tissue in place (cautery, laser ablation) without physically removing it for pathology.
ExtractionExtraction, which pulls a structure out by force rather than cutting it free, is another neighboring root operation coders should rule out when the documentation describes forceful removal.