ICD-10-PCS Billable Code

0QSNXZ2

Reposition Metatarsal, Right to Sesamoid Bone(s) 1st Toe with No Device, External Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemQ Lower Bones
OperationS Reposition
Body PartN Metatarsal, Right
ApproachX External
DeviceZ No Device
Qualifier2 Sesamoid Bone(s) 1st Toe

Operation Definition

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

Procedure Overview

Reposition procedures move a lower bone, or a fragment of one, from an abnormal location to its correct anatomical position, or to another location that will let it function properly. This is the category most fracture reductions fall into, along with corrective osteotomies performed to realign a bone that has healed crookedly or grown abnormally, and procedures that move a bone segment to a new site for reconstructive purposes.

These operations address displaced fractures of the pelvis, femur, tibia, fibula, patella, or foot bones, as well as deformities such as a bowed tibia or a malaligned metatarsal that needs to be cut and shifted into better alignment. Fixation devices like plates, screws, rods, or external fixators are frequently used alongside the repositioning to hold the bone in its new location while it heals.

Anatomy & Axis Detail

Metatarsal, Right

The right metatarsals are the five long bones forming the forefoot skeleton, each articulating proximally with a tarsal bone and distally with a toe phalanx, and together they help form the transverse arch and bear weight during the push-off phase of gait. Reposition is performed when a metatarsal fracture or dislocation, frequently at the base of the fifth metatarsal or across the Lisfranc joint complex, has displaced the bone from its normal alignment. Restoring proper length and rotation matters because metatarsal malalignment can lead to abnormal weight distribution and painful callus formation under the sole. The approach, closed manipulation or open reduction, along with identification of which specific metatarsal was treated, should be reflected in the documentation.

Approach: External

External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.

Qualifier: Sesamoid Bone(s) 1st Toe

Sesamoid Bone(s) 1st Toe specifies the small sesamoid bones embedded within the tendons at the base of the great toe as the qualifying structure in a foot bone procedure. These bones are commonly involved in bunion surgery and are distinguished from the metatarsal or phalangeal bones of the same toe that they sit beneath.

Coding & Documentation

The operative note needs to document that a bone or bone fragment was moved to a different position, whether by closed manipulation or open surgical exposure, and should specify any fixation device left in place, since that device is captured as a separate value on the same code rather than a separate procedure. Coders must distinguish open versus percutaneous versus external approaches carefully, as this changes the approach value substantially. A common mistake is coding a simple cast application or splinting as Reposition when no manipulation of bone position actually occurred, and another is failing to capture the device value when hardware is placed during the same reduction.

Commonly Confused With

RepairRepair is the main point of confusion, since both can appear in fracture care documentation; Repair applies only when no formal repositioning or fixation of a fragment takes place.
FusionFusion is distinct because it targets a joint to eliminate motion permanently, while Reposition preserves the bone's normal mobility once healed.
DivisionDivision is sometimes confused with corrective osteotomy, but Division simply separates bone without relocating it, whereas Reposition requires the fragment to be moved to a new, more functional position.