ICD-10-PCS Billable Code

04HF33Z

Insertion Internal Iliac Artery, Left to No Qualifier with Infusion Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationH Insertion
Body PartF Internal Iliac Artery, Left
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 in the lower arteries place a nonbiological device into an artery to support or monitor circulation without replacing any part of the vessel itself. Typical examples include placing an intra-aortic balloon pump to assist a failing heart's forward flow, positioning an infusion device for delivering clot-dissolving medication or chemotherapy directly into a limb, or leaving a vascular access catheter in place for repeated treatments. The device stays functional inside the artery after the procedure ends, distinguishing this from work where something is simply passed through and removed.

These procedures are chosen when ongoing therapy or support is needed rather than a one-time fix - for example, a patient in cardiogenic shock may need mechanical circulatory support, or someone with a limb-threatening clot may need several days of localized thrombolytic drug delivery through a catheter left in the artery.

Anatomy & Axis Detail

Internal Iliac Artery, Left

The left internal iliac artery, or hypogastric artery, arises from the common iliac artery and divides into anterior and posterior trunks supplying the bladder, rectum, reproductive organs, gluteal muscles, and perineum. Insertion of a device into this vessel typically means advancing a catheter-based tool, such as a temporary occlusion balloon, infusion catheter, or embolization delivery sheath, used to control pelvic hemorrhage from trauma, postpartum bleeding, or malignancy, or to stage aneurysm repair. Because the artery branches quickly, the device is usually positioned proximal to the bifurcation to avoid compromising flow to the bladder or rectum. Left-sided documentation matters because bilateral internal iliac procedures are frequently performed together and coded independently, and insertion denotes placement of a device without removal or alteration of the artery's own 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

Coders need the operative note to confirm that a device was left in the body, not merely passed through during the procedure, and to identify which specific artery received it. Common documentation to look for includes intra-aortic balloon pump placement, infusion catheter or pump insertion for continued drug delivery, and monitoring devices such as arterial pressure sensors. A frequent mistake is assigning Insertion when the device is actually a stent or graft meant to replace or reinforce the artery wall, which instead falls under Restriction, Replacement, or Supplement depending on the device's purpose. Coders should also verify the correct device value in the seventh character, since infusion devices, monitoring devices, and other appliances each have distinct values.

Commonly Confused With

RestrictionRestriction is the family most often confused with Insertion because both can involve placing a stent-like device, but Restriction narrows the diameter of the artery while Insertion leaves a device that assists a function without altering the vessel's shape.
SupplementSupplement is another close neighbor, used when a device reinforces or augments the wall of the artery rather than sitting within the lumen to perform a separate job.