ICD-10-PCS Billable Code

0NSH34Z

Reposition Lacrimal Bone, Right to No Qualifier with Internal Fixation Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemN Head and Facial Bones
OperationS Reposition
Body PartH Lacrimal Bone, Right
Approach3 Percutaneous
Device4 Internal Fixation Device
QualifierZ No Qualifier

Operation Definition

Moving to its normal location, or other suitable location, all or a portion of a body part

Procedure Overview

Repositioning procedures on the skull and facial bones move a bone, or a fragment of one, back to its correct anatomical alignment, or shift it to a new position that better restores function or appearance. Surgeons turn to this approach after trauma that has displaced facial or cranial bones, in cases of congenital jaw or skull malformation, or when growth abnormalities in children need gradual correction. Fixation hardware such as plates, screws, wires, or external distraction frames typically holds the bone in its new position while healing occurs.

Common examples include realigning a fractured mandible or zygoma, moving segments of the maxilla during orthognathic surgery to correct a bite or facial asymmetry, and craniofacial distraction to lengthen or reshape the skull in children with premature suture fusion. The goal is nearly always to restore normal chewing, breathing, speech, or the ability of the eyes and jaw to sit in proper alignment, along with a more typical facial appearance.

Recovery depends heavily on how much bone was moved and whether the correction happens in a single operation or gradually over weeks through a distraction device.

Anatomy & Axis Detail

Lacrimal Bone, Right

The right lacrimal bone is a small, fragile plate located at the anteromedial orbital wall, forming part of the fossa that houses the lacrimal sac and nasolacrimal duct. Because of its thinness, it is rarely fractured in isolation and is more often displaced as part of a broader naso-orbito-ethmoidal injury pattern. Reposition addresses displacement that threatens the tear drainage pathway or contributes to medial orbital wall instability, and correction is important for preventing chronic epiphora or dacryocystitis from a disrupted lacrimal outflow tract. Given its small size and proximity to the lacrimal sac, manipulation is typically performed with fine instruments as part of a larger periorbital or transnasal reconstructive procedure rather than as an isolated intervention. Precise realignment on the right side helps preserve both orbital contour and normal tear drainage function.

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.

Device: Internal Fixation Device

Internal fixation device is the general value for hardware such as plates, screws, or rods placed within the body to stabilize bone or joint, used when a more specific configuration is not indicated. It stands in contrast to the named subtypes - Rigid Plate, Intramedullary, Sustained Compression, and Intramedullary Limb Lengthening - which specify how the hardware achieves stabilization.

Coding & Documentation

Coders assign a reposition code when the operative note describes moving a bone or fragment to a new spatial location, whether returning it to its original site or intentionally shifting it elsewhere, as with orthognathic osteotomies. The documentation needs to make clear that the bone itself was relocated, not simply exposed, stabilized, or trimmed. Look for terms like osteotomy with repositioning, realignment, or distraction, along with the specific facial or cranial bone involved and any device left behind for fixation.

The most frequent error is confusing reposition with fixation alone; if a fractured bone is simply reduced and plated without an intentional change in its spatial position beyond the reduction itself, some coders default to Reposition when the documentation may actually only support that root operation once true displacement correction is described. Another pitfall is failing to code the device value correctly when plates, screws, or an external distraction frame remain in place, since these devices matter for the qualifier and DRG assignment. Distraction osteogenesis cases are especially prone to sequencing errors when multiple activation adjustments occur over separate encounters.

Commonly Confused With

InsertionReposition is frequently confused with Reduction procedures coded elsewhere or with Insertion of fixation devices, since fracture care often involves several root operations at once.
ResectionOrthognathic cases are also sometimes mistaken for Resection, but Resection removes bone entirely rather than relocating it.