ICD-10-PCS Billable Code

0YB03ZX

Excision Buttock, Right to Diagnostic with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemY Anatomical Regions, Lower Extremities
OperationB Excision
Body Part0 Buttock, Right
Approach3 Percutaneous
DeviceZ No Device
QualifierX Diagnostic

Operation Definition

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

Procedure Overview

Excision procedures in this family remove a portion of tissue from the lower extremity region - the buttock, hip, thigh, knee, lower leg, ankle, or foot - without replacing what is taken out. Surgeons use this to obtain a biopsy sample for diagnosis, remove a soft tissue mass or lipoma, debride dead or infected tissue from a wound, or excise a small area of diseased skin and subcutaneous tissue that doesn't require a full amputation.

Because the anatomical regions body system is used when the tissue being removed doesn't clearly belong to a named muscle, tendon, bone, or vessel, these procedures often involve broader soft-tissue masses that cross multiple layers, such as a tumor sitting between muscle groups. The goal is always to take out only the affected tissue while preserving the limb's structure and function.

Anatomy & Axis Detail

Buttock, Right

Excision of the right buttock removes a discrete portion of the gluteal soft tissue, most often for a symptomatic lipoma, a pilonidal or gluteal abscess cavity with chronic sinus tracts, or tissue damaged by a pressure ulcer overlying the ischial tuberosity or sacrum. The gluteal region's substantial subcutaneous fat and muscle bulk can conceal the true extent of a lesion, so preoperative imaging sometimes guides how much tissue must be removed. Because this area bears weight during sitting and is prone to shear and friction injury in patients with limited mobility, wound closure technique and postoperative positioning are important considerations. Documentation should specify the depth of excision and whether underlying gluteal muscle or only skin and subcutaneous tissue was involved.

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.

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

Coders need the operative note to specify that the excised tissue was generalized to the region rather than confined to a single named structure like a specific muscle or the femur, since more specific body systems take precedence when documentation supports them. The approach - open, percutaneous, or percutaneous endoscopic - and whether the procedure was diagnostic (a biopsy) both affect qualifier selection. A recurring mistake is coding a deep debridement that actually reached bone or muscle as an anatomical regions Excision instead of routing it to the musculoskeletal body system where it belongs.

Commonly Confused With

DetachmentThis is easily confused with Detachment, which severs a limb at a joint or shaft rather than removing a discrete piece of tissue - Excision leaves the limb intact.
ExtractionIt also overlaps conceptually with Extraction, which pulls out material like a foreign body by force rather than cutting it out, and with Resection, which is not used in this anatomical regions body system since Resection implies removal of an entire named body part rather than a region-based excision.