0QN43ZZ
Release Acetabulum, Right to No Qualifier with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Q Lower Bones |
| Operation | N Release |
| Body Part | 4 Acetabulum, Right |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Freeing a body part from an abnormal physical constraint by cutting or by the use of force
Procedure Overview
Release procedures on the lower bones free a bone from something abnormal that is pressing on it, wrapping around it, or holding it in an unnatural position, without cutting into or removing any of the bone itself. The most common example is releasing a nerve or blood vessel that has become trapped by scar tissue, a thickened ligament, or a healed fracture fragment in the pelvis, femur, tibia, fibula, or foot bones. Another frequent scenario is cutting through a fibrous or bony bridge that has fused across a joint space, such as a tarsal coalition in the foot that keeps two bones from moving independently.
These operations are performed to relieve pain, restore movement, or stop ongoing nerve damage. A child with a congenital tarsal coalition may need the abnormal bridge divided so the foot can move normally; an adult with post-traumatic scarring around the fibula may need the area cleared to relieve nerve compression. The bone's own shape is left essentially unchanged - only the constraining tissue is addressed.
Anatomy & Axis Detail
Acetabulum, Right
The right acetabulum is the cup-shaped socket within the pelvic bone that articulates with the femoral head to form the hip joint, and its congruent shape is essential for normal hip mechanics and stability. Release of the acetabulum involves freeing this articular structure from abnormal scar tissue, heterotopic ossification, or fibrous adhesions that restrict hip motion or joint congruity, which can develop after acetabular fracture, hip surgery, or prolonged immobilization. The procedure aims to relieve mechanical constraint without removing bone, in contrast to acetabular reshaping or excisional procedures performed for impingement or degenerative disease. Given the acetabulum's deep location and close relationship to the sciatic nerve and hip capsule, release procedures require precise surgical technique to restore joint mobility while protecting these adjacent structures.
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
The coder needs documentation naming the specific bone being freed and clearly identifying what is doing the constraining - scar, adhesion, coalition, or an entrapping band. Operative notes should state that the surrounding restrictive tissue was divided or excised and that the bone itself was not resected or reshaped. A frequent assignment error is defaulting to Division when a true anatomic obstruction is present; Release is used when the goal is freeing the part from something abnormal, while Division applies to cutting into the bone itself without addressing a separate constraining structure. Coders also sometimes miss that the body part value should reflect the bone being released, not the tissue that was cut away.