0ND50ZZ
Extraction Temporal Bone, Right to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | N Head and Facial Bones |
| Operation | D Extraction |
| Body Part | 5 Temporal Bone, Right |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Pulling or stripping out or off all or a portion of a body part by the use of force
Procedure Overview
Extraction in this body system means pulling or stripping out a portion of a skull or facial bone using force rather than cutting it away with an instrument. This root operation is less common for bone than for structures like teeth or hair follicles, but it applies when a bone fragment or a portion of bone is physically torn or pulled free rather than surgically excised. In practice, this often overlaps with situations where a loosely attached bone piece is grasped and removed by pulling rather than by sharp dissection.
Because most facial bone procedures involve cutting instruments, true extraction coded to this body system is relatively uncommon and tends to show up in specific trauma or reconstructive contexts where a fragment is mobile enough to be removed manually. The clinical goal is the same as with excision, removing bone that is damaged, displaced, or interfering with healing, but the surgeon's technique of applying pulling force rather than cutting defines this family.
Anatomy & Axis Detail
Temporal Bone, Right
The right temporal bone houses the middle and inner ear structures along with portions of the auditory canal, and extraction here refers to pulling embedded material from this bone by its attachment, such as a retained cochlear implant electrode fragment, deeply seated foreign body, or impacted hardware from a prior mastoid or ear surgery. The temporal bone's complex internal architecture, including the facial nerve canal and inner ear structures, makes this an especially delicate site, requiring careful control of the extraction force to avoid injury to hearing, balance, or facial nerve function. Surgeons often use an operating microscope and a mastoid or transcanal approach depending on the material's depth. This is distinguished from extirpation, which applies to loosely lying debris rather than firmly attached material.
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.
Coding & Documentation
The operative note must describe the bone being pulled, stripped, or avulsed rather than incised, since the mechanism of removal, not the outcome, determines whether Extraction applies. Coders frequently default to Excision out of habit because it is the far more common root operation for bone removal, so any note that explicitly documents manual traction or stripping of a bone fragment deserves a closer look before finalizing the code. Because true extraction of facial or skull bone is uncommon, coders should double check with the surgeon or query the record when the technique is ambiguous, since misclassifying an excision as an extraction (or the reverse) affects both the procedure code and any related grouping.