05F73Z0
Fragmentation Axillary Vein, Right to Ultrasonic with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 5 Upper Veins |
| Operation | F Fragmentation |
| Body Part | 7 Axillary Vein, Right |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | 0 Ultrasonic |
Operation Definition
Breaking solid matter in a body part into pieces
Procedure Overview
Fragmentation procedures break up solid material lodged within an upper vein, typically an organized clot, into smaller pieces without removing that material from the body. This is usually performed using a mechanical device advanced through a catheter that physically breaks apart the obstruction so that blood flow can resume or so that the fragmented material can be more easily cleared by the body's own processes or by a follow-up suction step.
It is most often used in cases of significant venous thrombosis where the clot is too large or too adherent to remove intact, and mechanically fragmenting it is a faster or safer alternative to open surgery. The fragmented pieces are typically left to be reabsorbed, washed downstream, or removed in a separate extirpation step during the same procedure.
Anatomy & Axis Detail
Axillary Vein, Right
The right axillary vein continues from the basilic vein at the lower border of the teres major muscle and becomes the subclavian vein at the outer border of the first rib, running alongside the axillary artery through the axilla. Fragmentation breaks apart thrombus or other obstructing material within this vessel using catheter-directed mechanical devices, disrupting the mass in place rather than extracting it, often used when clot burden is too extensive for aspiration alone or as an adjunct to thrombolytic therapy. The vein's course through the axilla places it near the brachial plexus and axillary artery, requiring careful catheter handling to avoid these structures. Axillary vein thrombosis on the right is frequently linked to repetitive overhead arm activity or compression at the thoracic outlet.
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.
Qualifier: Ultrasonic
This qualifier indicates use of ultrasonic energy in a procedure, such as an atherectomy device that emulsifies plaque with high-frequency sound waves. It differs from the orbital atherectomy qualifier, which relies on mechanical abrasion instead of acoustic energy, and is chosen when the device technology itself is what distinguishes the procedure coded.
Coding & Documentation
Coders should look for documentation describing the clot as broken up, macerated, or pulverized in place, as opposed to language describing removal, which would point to extirpation instead. The specific device used, such as a mechanical thrombectomy catheter with a fragmentation function, along with the named vein treated, should be captured to support accurate body part and approach selection.
A common assignment mistake is coding the entire procedure as fragmentation when the physician's device both broke up and aspirated the clot out of the body, which actually represents extirpation, or coding fragmentation and extirpation separately when a single combined-function device performed both actions as one continuous root operation. Coders should read the full device description carefully rather than relying on the device's brand name alone.