0Y6Q0Z1
Detachment 1st Toe, Left to High with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Y Anatomical Regions, Lower Extremities |
| Operation | 6 Detachment |
| Body Part | Q 1st Toe, Left |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | 1 High |
Operation Definition
Cutting off all or a portion of the upper or lower extremities
Procedure Overview
This family covers amputation procedures of the lower extremity - removing all or part of a leg, thigh, knee, ankle, or foot when the limb can no longer be saved or is causing life-threatening harm. Common reasons include severe peripheral vascular disease that has cut off blood flow, uncontrolled diabetic infection, tissue death from trauma, malignant tumors, or crushing injuries where reconstruction isn't possible. The level chosen - above the knee, below the knee, through the ankle, or partial foot - depends on how much healthy, well-perfused tissue remains and how well the residual limb will support a prosthesis afterward.
Recovery involves wound healing, pain management, and eventually fitting for a prosthetic device and rehabilitation to relearn mobility. Surgeons try to preserve as much functional length as possible while ensuring the remaining tissue has adequate blood supply to heal.
Anatomy & Axis Detail
1st Toe, Left
Detachment of the left 1st toe removes the great toe at the interphalangeal joint, metatarsophalangeal joint, or through the phalanx itself, most commonly for diabetic foot ulcers complicated by osteomyelitis, ischemic gangrene from peripheral arterial disease, or trauma confined to the digit. Because the great toe is the primary lever for terminal push-off in walking, its loss changes forefoot biomechanics and can shift pressure onto adjacent toes, so surgeons aim to preserve the metatarsal head when the vascular supply and infection extent allow it. Preoperative assessment of perfusion and infection margins guides whether a conservative distal amputation will heal or whether a more proximal level is ultimately required. Accurate documentation of the exact joint or bone divided distinguishes this procedure from amputation of the ray or metatarsal.
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.
Qualifier: High
High qualifies a partial toe detachment as occurring at the proximal portion of the digit, closer to the foot, when the amputation does not remove the entire toe. It is distinguished from Mid and Low, which specify progressively more distal levels of the remaining partial toe. The choice among these reflects exactly how much of the toe was preserved after detachment.
Coding & Documentation
Coders assign Detachment codes based on the specific anatomical level documented in the operative note - the body part value distinguishes 1st ray, 2nd through 5th ray, foot, ankle, lower leg, knee, upper leg, and hip disarticulation, so the note must state the exact bone or joint level transected. The qualifier further specifies complete versus high or low variants at some levels. A frequent error is defaulting to a generic 'leg amputation' code when the documentation actually supports a more precise ray- or joint-level qualifier, or missing that a revision amputation (converting a failed below-knee stump to above-knee) is coded as a new Detachment procedure at the higher level rather than an Excision.