06C73ZZ
Extirpation Colic Vein to No Qualifier with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 6 Lower Veins |
| Operation | C Extirpation |
| Body Part | 7 Colic Vein |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Taking or cutting out solid matter from a body part
Procedure Overview
Extirpation in the lower veins describes removing solid material, most often a blood clot, that has formed inside a vein of the leg, pelvis, or lower abdomen. The classic example is a venous thrombectomy, where a surgeon opens the vein or threads a catheter-based device into it to pull out an obstructing thrombus, restoring blood flow and reducing the risk of the clot breaking loose or the leg swelling further from blocked drainage.
This procedure is used for deep vein thrombosis that is causing severe swelling, pain, or threatens the limb's viability, and occasionally for retrieving embolized foreign material such as a fragment of a failed device. It differs from simply dissolving a clot with medication, because here the solid material is physically taken out of the body rather than broken down chemically or left to be reabsorbed.
The approach can be open surgical, through a small incision directly into the vein, or percutaneous, using a catheter and suction or mechanical retrieval device threaded through the venous system to capture and withdraw the clot.
Anatomy & Axis Detail
Colic Vein
The colic veins are the named tributaries, right, middle, and left, that drain corresponding segments of the colon into the superior or inferior mesenteric vein. Extirpation of a colic vein addresses thrombotic or embolic material within one of these smaller channels, a finding that may accompany diverticulitis, appendiceal disease, or mesenteric venous thrombosis extending distally from a larger trunk. Because these vessels are narrow and closely bound to the mesocolon and marginal artery, careful dissection is needed to avoid compromising bowel wall perfusion during clearance. The clinical context often overlaps with bowel ischemia workups, so the specific colic vein involved, right, middle, or left, should be documented precisely, since each drains a distinct colonic segment and carries different implications for downstream bowel viability.
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.
Coding & Documentation
Coders need documentation identifying the specific vein involved (femoral, iliac, popliteal, or an unspecified lower vein) and confirmation that solid matter, typically thrombus, was removed rather than fragmented and left in place. The approach, open or percutaneous, must be captured accurately since it changes the character value in the code. Physician notes describing a device "pulled the clot out" or "the thrombus was extracted via catheter" support Extirpation, while notes describing the clot being macerated, dispersed, or broken into smaller pieces that dissolve naturally point toward Fragmentation instead.
A frequent error is coding Extirpation when the documentation actually describes catheter-directed thrombolysis, which is a medication-based procedure and not a root operation in this surgical section at all; that scenario typically falls under a different section for administration of a thrombolytic drug. Coders also sometimes miss that if a stent or filter is placed during the same encounter, an additional Insertion or Restriction code is needed alongside the Extirpation code.