07C90ZZ
Extirpation Lymphatic, Internal Mammary, Left to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 7 Lymphatic and Hemic Systems |
| Operation | C Extirpation |
| Body Part | 9 Lymphatic, Internal Mammary, Left |
| Approach | 0 Open |
| 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 lymphatic and hemic systems covers procedures that remove solid material that doesn't belong there, rather than removing a normal part of the body. Typical targets are a blood clot lodged in a lymphatic vessel, calcified debris in a lymph node, or an abscess pocket in the spleen. The material is taken out physically, by cutting, scraping, or suction, but the surrounding lymphatic structure itself is left in place.
This differs from taking a biopsy or removing an organ; the point of extirpation is clearing an obstruction or foreign substance so the vessel or organ can function normally again. It's often used when imaging shows a filling defect or mass that isn't a tumor to be resected but rather clotted or necrotic material to be evacuated. Recovery and follow-up depend on the underlying cause - a clot may signal a clotting disorder that needs separate treatment, while an abscess may require antibiotics afterward.
Anatomy & Axis Detail
Lymphatic, Internal Mammary, Left
The left internal mammary lymph nodes run parasternally along the left internal mammary vessels and drain the medial left breast and anterior chest wall, with the added anatomic consideration that this chain lies closer to the pericardium and heart than its right-sided counterpart. Extirpation here removes solid abnormal material lodged among these nodes, such as calcified granulomatous debris or necrotic tissue from infection, without taking the nodes themselves for staging purposes. Because the internal mammary vessels on this side are also a common recipient site for microvascular breast reconstruction, surgeons take particular care to protect vessel integrity during dissection, and the proximity to the heart and great vessels adds a layer of technical caution not present in more peripheral lymphatic extirpations. Operative documentation should specify that abnormal material, not nodal tissue, was the target, since the two are coded under different root operations.
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
The operative note has to describe removal of abnormal solid matter - clot, calculus, necrotic debris, or similar - from within a lymphatic vessel, node, spleen, thymus, or bone marrow space, with the surrounding structure left intact. Documentation should make clear the material removed is not a piece of a normal body part; imaging or pathology confirming a thrombus or debris rather than tissue helps support the code choice.
The most common assignment error is mixing up extirpation with excision or resection when a coder sees "removed" in the note without checking whether what came out was abnormal matter or a portion of the organ itself. Another frequent slip is coding extirpation when the documentation actually describes drainage of fluid, which belongs under a different root operation, or when the clot removal was incidental to a larger resection, in which case only the more definitive procedure is coded.