0QC20ZZ
Extirpation Pelvic Bone, Right 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 | 2 Pelvic Bone, Right |
| 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
Pelvic Bone, Right
The right pelvic bone, the innominate bone made up of the ilium, ischium, and pubis, forms half of the bony pelvic ring and anchors the hip joint as well as major muscles of the trunk and lower limb. Extirpation from this bone removes solid abnormal material, such as a sequestrum from chronic osteomyelitis, a foreign body embedded after a gunshot or crush injury, or necrotic debris from a nonunion fracture site, leaving the bone itself otherwise intact. Because the pelvic bone is thick and irregularly shaped with numerous muscular and ligamentous attachments, locating and removing embedded material can require extensive exposure, and documentation should indicate which of its three component regions, iliac wing, ischial tuberosity, or pubic ramus, was involved.
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.