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Fusion Toe Phalangeal Joint, Right to No Qualifier with Synthetic Substitute, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | G Fusion |
| Body Part | P Toe Phalangeal Joint, Right |
| Approach | 0 Open |
| Device | J Synthetic Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Joining together portions of an articular body part rendering the articular body part immobile
Procedure Overview
Fusion, also called arthrodesis, permanently joins the bones of a lower joint so that the joint can no longer move, converting a painful or unstable joint into a solid, stable one. It is used on the hip, knee, ankle, foot, and lumbar or lumbosacral spinal joints for conditions like severe arthritis, joint instability, failed prior surgery, deformity correction, or chronic pain that has not responded to less invasive treatment. Hardware such as screws, plates, or rods, sometimes combined with a bone graft, holds the joint surfaces together while they grow into one continuous piece of bone.
Because fusion eliminates motion at the treated joint, it is generally considered after other options such as medication, injections, or partial procedures have failed to control symptoms. Spinal fusion in the lumbar region is one of the most common examples, performed for conditions like degenerative disc disease, spondylolisthesis, or spinal instability.
Recovery typically takes several months as the bone heals across the joint, and patients can expect a trade of joint mobility for pain relief and structural stability.
Anatomy & Axis Detail
Toe Phalangeal Joint, Right
The right toe phalangeal joints, the interphalangeal joints between the phalanges of each toe, are most often fused to correct fixed hammertoe or claw toe deformities that no longer respond to soft tissue procedures alone. In the great toe, the interphalangeal joint may be fused for arthritis or as a component of complex forefoot reconstruction; in the lesser toes, fusion of the proximal interphalangeal joint straightens a persistently flexed digit and reduces friction against footwear. Surgeons typically resect a small segment of cartilage and bone at the joint and stabilize it with a pin, screw, or specialized implant. Because each toe has its own set of interphalangeal joints, documentation should specify the toe and the particular joint fused.
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.
Device: Synthetic Substitute
Synthetic Substitute designates a device made from manufactured, non-biologic material, such as mesh or prosthetic components, used to replace or augment a body part. It is distinguished from the two tissue substitute categories by its artificial composition, which carries different considerations for integration and long-term durability than biologic grafts.
Coding & Documentation
Coders need documentation confirming that articular surfaces were joined with the intent of eliminating motion, along with the device used (bone graft substitute, autograft, nonautograft, or internal fixation) and, for spinal fusion, the number of vertebral joints involved, since each level typically requires its own code. A frequent error is under-coding multilevel spinal fusions by capturing only one joint level instead of each level fused. Another common mistake is confusing the qualifier for graft material, since autologous bone graft, synthetic substitute, and no-graft fixation all carry different qualifier values that materially change the code. Coders should also check whether an anterior and posterior approach were both performed at the same spinal level, which requires separate codes for each approach.