0QNP0ZZ
Release 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 | N Release |
| Body Part | P Metatarsal, Left |
| Approach | 0 Open |
| 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
Metatarsal, Left
On the left forefoot, each metatarsal shaft lies beneath the extensor tendons and between the interosseous muscles, and adhesions here often follow crush trauma, repeated forefoot surgery, or chronic inflammatory changes that bind the extensor mechanism to the underlying bone and blunt toe extension. Release separates this scar or fibrous tissue from the metatarsal surface to restore tendon gliding and toe motion, leaving the bone itself uncut and unmoved. The specific metatarsal involved is typically documented since each ray bears a different share of forefoot load, and the release is distinguished from any concurrent osteotomy or joint procedure addressed in the same foot.
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
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.