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Revision Toe Phalangeal Joint, Left to No Qualifier with Synthetic Substitute, External Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | W Revision |
| Body Part | Q Toe Phalangeal Joint, Left |
| Approach | X External |
| Device | J Synthetic Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
Revision procedures correct a malfunctioning device already implanted in a lower joint, or reposition a device that has shifted out of place, without necessarily removing and replacing the whole implant. Examples include tightening a loosened hip component, adjusting a worn knee liner, or repositioning a dislocated joint implant back into alignment. The reason for surgery is a problem with hardware from an earlier operation rather than new injury to native tissue.
These procedures are often needed years after an initial joint replacement, as components can loosen, wear, or shift with normal use. Surgeons aim to fix the specific mechanical problem while preserving as much of the existing implant and surrounding bone as possible, since more extensive revisions carry greater surgical risk and longer recovery.
Anatomy & Axis Detail
Toe Phalangeal Joint, Left
Revision of a left toe phalangeal joint addresses a failed or malfunctioning outcome from a prior procedure at one of the small interphalangeal joints of the toes, often related to hammertoe or claw toe correction using an internal fixation device or joint implant. The limited soft tissue coverage and small bony dimensions of these joints make them susceptible to hardware migration, pin backout, or recurrent deformity if the initial correction does not hold, requiring the surgeon to reposition, exchange, or remove the implanted material during revision. Documentation should specify the exact toe and joint level involved as well as whether the intervention corrected device position, replaced components, or removed material without replacement.
Approach: External
External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.
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
Documentation needs to identify that an existing device was the target of correction, whether through repositioning, adjustment, or partial component exchange, and that the fix did not amount to a full swap of the entire prosthesis. Notes describing loosening, malposition, or component wear typically support Revision. A common error arises when a full component exchange occurs during a documented revision surgery; if the entire device is replaced, the correct root operation is Replacement, even though the surgeon may call it revision arthroplasty.