0QN23ZZ
Release Pelvic Bone, 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 | 2 Pelvic Bone, 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
Pelvic Bone, Right
The right pelvic bone, formed by the fused ilium, ischium, and pubis, provides the structural ring connecting the spine to the lower limb and anchors major muscle groups involved in gait and posture. Release procedures address abnormal tethering of this bone by scar tissue, heterotopic ossification, or fibrous bands, commonly seen after trauma, prior orthopedic surgery, or in conditions causing restricted pelvic mobility, with the goal of freeing the bone without excising any of its substance. Given the pelvis's proximity to major vessels, the bladder, and reproductive structures, release procedures require careful dissection to avoid these structures while relieving the constraint. Coders should distinguish release, which frees the bone from surrounding tissue, from procedures that instead remove or reshape the pelvic bone itself.
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.