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Extirpation Metatarsal, Left to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Q Lower Bones |
| Operation | C Extirpation |
| Body Part | P Metatarsal, 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 of the lower bones is the removal of solid material that doesn't belong there - a loose bone fragment, a piece of dead bone (sequestrum) left behind by infection, or debris lodged in the bone following trauma. Unlike cutting away living bone tissue, this procedure clears out material that is already separated or non-viable, which is why it's often paired with treating osteomyelitis or cleaning up after a fracture.
Patients typically undergo this when imaging or prior surgery has identified fragments that are causing pain, blocking healing, or perpetuating an infection. Removing the material can relieve symptoms and allow the surrounding bone to heal normally.
Anatomy & Axis Detail
Metatarsal, Left
For the left metatarsals, extirpation addresses solid abnormal material such as sequestered or infected bone, often arising from diabetic foot ulcers, chronic osteomyelitis, or trauma affecting one of the five long bones of the forefoot. Their superficial dorsal position and limited soft tissue coverage make them prone to direct contamination, and untreated debris can propagate infection toward adjacent metatarsals or the tarsometatarsal joints. Surgeons generally expose the affected shaft dorsally and use curettage or debridement to clear the material while conserving as much viable bone as feasible to support forefoot stability and gait mechanics. Because metatarsal length and alignment influence weight distribution across the foot, this procedure is documented as removal of abnormal contents only, separate from any bone resection or amputation.
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
Look for documentation describing removal of a sequestrum, loose body, necrotic bone fragment, or foreign material from within a lower bone. Sequestrectomy for chronic osteomyelitis is a classic example. The material removed should be distinguishable from the bone itself - it's being taken out of the bone, not cut from it. A frequent coding mistake is defaulting to excision whenever a bone procedure is described, without checking whether the surgeon was actually removing a discrete, already-separated fragment versus cutting living bone; the two require different root operations even when performed through the same incision.