0YB13ZX
Excision Buttock, Left to Diagnostic with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Y Anatomical Regions, Lower Extremities |
| Operation | B Excision |
| Body Part | 1 Buttock, Left |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | X 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, Left
The left buttock is excised to remove abnormal or damaged tissue such as a benign soft tissue mass, an area of chronic pilonidal disease, or necrotic tissue from a pressure ulcer near the ischial tuberosity or sacral region. Given the gluteal region's thick subcutaneous fat layer and its role in weight-bearing during sitting, excisions here often require attention to achieving a closure that will withstand ongoing pressure, particularly in patients with reduced mobility or spinal cord injury. The procedure may involve skin and subcutaneous tissue alone or extend into gluteal muscle depending on the lesion's depth. Operative documentation should clarify the tissue planes removed to distinguish this from a more extensive debridement or muscle-specific procedure.
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.