ICD-10-PCS Billable Code

0QN64ZZ

Release Upper Femur, Right to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemQ Lower Bones
OperationN Release
Body Part6 Upper Femur, Right
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ 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

Upper Femur, Right

The upper femur on the right side encompasses the femoral head, neck, and proximal shaft region that forms the ball component of the hip joint and bears substantial mechanical load during standing and ambulation. Release procedures in this area free the bone from abnormal fibrous bands, scar tissue, or heterotopic ossification that restricts hip motion or contributes to impingement, a situation that can arise after femoral neck fracture, prior hip surgery, or soft tissue contracture around the joint. The procedure is aimed at relieving this constraint rather than cutting away femoral bone, which would instead be classified as excision. Because the femoral neck houses the blood supply critical to the femoral head, careful technique during release is essential to avoid compromising vascularity while restoring normal joint mechanics.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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.

Commonly Confused With

DivisionDivision is the closest source of confusion, since both can involve cutting bone-adjacent tissue; the distinction is whether an outside constraint is being removed (Release) versus the bone itself being separated with no restraining structure present (Division).
RepairRepair is sometimes miscoded when a release is combined with closure of the surrounding soft tissue; only the release portion, if it is the objective of the procedure, is coded to this root operation.