0WY20Z0
Transplantation Face to Allogeneic with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | W Anatomical Regions, General |
| Operation | Y Transplantation |
| Body Part | 2 Face |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | 0 Allogeneic |
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
This family covers transplantation of tissue from another person (or, rarely, an animal source) into the general anatomical regions of the body, most notably face transplantation and other composite tissue allografts that don't belong to a single named organ system. The donor tissue is grafted in to physically replace a portion of the body that has been lost or severely damaged, restoring both appearance and function in ways that skin grafts or reconstructive flaps using the patient's own tissue cannot fully achieve. Candidates typically have extensive facial disfigurement from burns, trauma, or tumor removal, or other composite tissue loss where reconstruction from the patient's own body is not a good option.
Because the graft comes from a genetically distinct donor, these are major, high-risk operations requiring lifelong immunosuppression, similar in principle to solid organ transplants but applied to composite structures like skin, muscle, nerve, and bone together. The surgery is performed by specialized teams and follows the same donor-matching and ethical review process used in organ transplantation programs.
Anatomy & Axis Detail
Face
Face transplantation involves replacing all or part of a patient's facial soft tissue and sometimes underlying bone with a composite allograft from a deceased donor, typically performed after severe disfigurement from burns, trauma, or tumor resection that cannot be adequately restored with conventional reconstructive techniques. Because the face integrates complex musculature for expression, sensory and motor nerves, and a highly visible skin surface, transplantation requires meticulous microsurgical anastomosis of vessels and nerves alongside coordinated bony and soft tissue alignment to restore both function and appearance. Recipients require lifelong immunosuppression to prevent rejection, and the procedure is documented extensively regarding the extent of tissue transferred, since partial and full-face transplants differ substantially in scope. This code applies specifically to the surgical replacement of the patient's native facial tissue with the allogeneic graft, distinct from any subsequent revision or removal procedures.
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: Allogeneic
This qualifier denotes an allogeneic tissue substitute, meaning material derived from another individual of the same species rather than the patient's own tissue. It is distinguished from the syngeneic qualifier, which applies only to genetically identical donors, and from zooplastic, which denotes tissue sourced from a different species entirely.
Coding & Documentation
A coder assigns a code from this family only when the operative note documents that donor (allogeneic) tissue was used to replace the patient's own anatomy - not the patient's own tissue moved from elsewhere, which is a Transfer or Replacement, not a Transplantation. The documentation must identify the general anatomical region involved and confirm the tissue originated from another individual. The most common assignment error is confusing this with Replacement (using synthetic or the patient's own harvested tissue) or with Transfer procedures such as free flaps, both of which use different root operations entirely.