ICD-10-PCS Billable Code

0PQK0ZZ

Repair Ulna, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemP Upper Bones
OperationQ Repair
Body PartK Ulna, Right
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Restoring, to the extent possible, a body part to its normal anatomic structure and function

Procedure Overview

This family covers surgical repair of the bones of the skull, face, ribs, sternum, and upper limbs - the clavicle, scapula, humerus, radius, ulna, and the small bones of the wrist and hand - when a fracture, crack, or other structural defect needs to be fixed but doesn't fit a more specific repair category like reposition or replacement. A surgeon might use this approach for a depressed skull fracture, a cracked sternum, a small chip fracture in a carpal bone, or a rib that needs stabilization after trauma.

The underlying goal is simply to restore the bone to something close to its normal shape and strength, using whatever technique the situation calls for - wiring, plating, bone grafting, or direct suturing of periosteum. It's often the option coders reach for when nothing else in the root operation list quite matches what the operative note describes, since it functions as the default "fix it" category for bones.

Anatomy & Axis Detail

Ulna, Right

The right ulna forms the medial pillar of the forearm, stabilizing the elbow hinge and anchoring the interosseous membrane that links it to the radius throughout pronation and supination. Repair here addresses lacerations, incomplete fractures not requiring device fixation, or disruption of the periosteal sleeve and surrounding soft tissue envelope following trauma or hardware removal, restoring the bone's normal contour and structural integrity without replacing tissue or reducing displaced fragments with fixation. Because the ulna sits subcutaneously along the forearm's border, surgeons often approach it directly, and documentation should distinguish simple closure or suture repair of a bony defect from more involved fracture reduction procedures classified under other root operations. Coders should verify the operative note explicitly describes restoring rather than realigning or replacing the bone.

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

A coder assigns from this family when the operative note describes correcting a bone defect without moving a displaced fragment back into alignment (that's reposition) or removing and replacing tissue (that's replacement or supplement). Documentation should specify the exact bone and any device or graft material used, since that affects the qualifier and device value. The most common assignment error is defaulting to repair when the surgeon actually performed a reposition of a displaced fracture fragment - the two are frequently confused because both involve fractures. Another frequent mistake is coding repair when a bone graft was used to reinforce rather than restore the bone, which should instead be captured as supplement.

Commonly Confused With

RepositionReposition is the closest look-alike: it applies when a displaced or malpositioned bone fragment is moved back to its correct location, while repair is reserved for defects that don't involve moving a fragment.
SupplementSupplement is also easily confused since bone grafting can appear in both - if graft material reinforces an intact structure rather than fixing a defect, supplement is correct instead.