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Transplantation Hand, Left to Syngeneic with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | X Anatomical Regions, Upper Extremities |
| Operation | Y Transplantation |
| Body Part | K Hand, Left |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | 1 Syngeneic |
Operation Definition
Putting in or on all or a portion of a living body part taken from another individual or animal to physically take the place and/or function of all or a portion of a similar body part
Procedure Overview
Transplantation procedures in the upper extremity involve replacing all or part of a patient's arm or hand with tissue taken from another person, most often in the setting of a full or partial hand transplant. This is reserved for patients who have lost a hand or forearm through trauma or amputation and who are candidates for the intensive surgery and lifelong immunosuppression that come with receiving donor tissue.
The procedure requires connecting bone, tendons, nerves, blood vessels, and skin from the donor limb to the recipient's remaining structures, and it is performed at a small number of specialized transplant centers. Patients undergo extensive evaluation beforehand, since the surgery carries the risks of any composite tissue transplant, including rejection, and it demands years of rehabilitation to regain functional use of the hand.
Because donor limbs are scarce and the surgery is complex, this family of procedures is far less common than other extremity reconstructions, but it can restore a level of function and appearance that prosthetics cannot fully replicate.
Anatomy & Axis Detail
Hand, Left
Transplantation of the left hand denotes allogeneic transplantation of an entire donor hand onto a recipient, most often following traumatic amputation or a condition that has left the native hand nonviable, and it requires microvascular and microneural repair across bone, tendon, artery, vein, and nerve structures along with ongoing immunosuppressive therapy. It is distinguished from autologous replantation, where the patient's own severed hand is reattached, and from more limited digit or partial hand procedures. Given the complexity of coordinating sensory and motor nerve reconnection in a structure as functionally dense as the hand, these procedures are rare and performed only at specialized centers. Documentation must confirm the allogeneic donor source and laterality to support correct assignment of this transplantation code.
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: Syngeneic
This qualifier denotes a syngeneic tissue substitute, sourced from a donor who is genetically identical to the recipient, such as an identical twin. It is a narrower category than the allogeneic qualifier, which covers any same-species donor regardless of genetic match, and is distinguished from zooplastic tissue, which comes from another species.
Coding & Documentation
A Transplantation code applies only when the documentation clearly describes tissue from another individual (an allograft) being used to physically replace the recipient's body part, not tissue moved from elsewhere on the same patient. The operative report should identify the donor source and the extent of the limb replaced, since the body part value in the code reflects what was transplanted.
Coders sometimes misassign this root operation to autograft procedures, such as a patient's own toe being transferred to replace a missing thumb, which is actually coded as Transfer or Reattachment depending on whether the vascular supply was maintained or reconnected. Documentation gaps around donor source are the most common issue, since the coder needs explicit confirmation that the tissue originated from another person before Transplantation can be assigned.