ICD-10-PCS Billable Code

0YHF33Z

Insertion Knee Region, Right to No Qualifier with Infusion Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemY Anatomical Regions, Lower Extremities
OperationH Insertion
Body PartF Knee Region, Right
Approach3 Percutaneous
Device3 Infusion Device
QualifierZ No Qualifier

Operation Definition

Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part

Procedure Overview

Insertion procedures here place a nonbiological device into the lower extremity region without it replacing any body part - most commonly this covers placement of external fixation devices that stabilize bone fragments from outside the skin, or other monitoring or therapeutic devices positioned in the soft tissue of the limb. External fixators are frequently used after severe fractures, especially open fractures with significant soft tissue damage, where internal hardware would carry too high an infection risk until the wound stabilizes.

The device typically consists of pins or wires driven into the bone and connected to an external frame, allowing the surgical team to adjust alignment during healing and access the wound for ongoing care. Once the bone has healed sufficiently or the soft tissues have recovered, the fixator is removed in a separate procedure.

Anatomy & Axis Detail

Knee Region, Right

The right knee region includes the tissues surrounding the patella, distal femur, and proximal tibia along with the joint capsule and surrounding ligaments and bursae, an area operated on for both traumatic injury and degenerative joint disease. Insertion coded to this region applies to devices such as a wound drain after knee surgery, an external fixator spanning the joint, or a drug-eluting device placed in periarticular soft tissue, distinct from insertion directly into the joint space itself which would be coded to the joint body part. Because the knee combines bone, cartilage, ligament, and bursal structures in close proximity, documentation needs to clarify whether a device is placed in the joint proper or in the surrounding regional soft tissue.

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: Infusion Device

Infusion Device denotes a device left in place to deliver medication, fluids, or other substances into a body part over time, such as an intrathecal or epidural pump. It is distinct from devices that merely monitor or mechanically support tissue, since its function is ongoing pharmacologic or fluid delivery rather than structural replacement. Common placements include the spinal canal, peritoneal cavity, and vascular access sites.

Coding & Documentation

The documentation needs to identify the device category placed - external fixation devices have their own qualifier structure indicating ring, hybrid, or limb lengthening types, and coders must match the device value to what the operative note describes rather than assuming a default. Insertion is only appropriate when nothing already in the body is being replaced or repaired; if the device is being put in during the same operative episode as a fracture reduction, both the Insertion and the fracture treatment root operation may need separate codes. A common error is coding external fixator placement under the musculoskeletal body system for the specific bone rather than the anatomical regions system when the frame spans the region rather than fixating one named bone.

Commonly Confused With

ReplacementThis family is often confused with Replacement, which physically substitutes a body part with a device such as a joint implant - Insertion devices monitor, assist, or stabilize without taking the place of a body part.
ChangeIt's also distinct from Change, the root operation used when an already-inserted device is simply swapped out through the same access route without a new incision.