0CR70KZ
Replacement Tongue to No Qualifier with Nonautologous Tissue Substitute, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | C Mouth and Throat |
| Operation | R Replacement |
| Body Part | 7 Tongue |
| Approach | 0 Open |
| Device | K Nonautologous Tissue Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part
Procedure Overview
This group of procedures involves putting in biological or synthetic material to physically take the place of mouth or throat tissue that has been removed or is missing, whether from a birth difference, cancer surgery, or severe trauma. Reconstructing a palate defect with a graft that substitutes for absent tissue, or placing material that stands in for a resected portion of the tongue or pharyngeal wall, fall into this category. Unlike a simple repair, the point is not to close existing tissue but to fill a gap with something that now functions as the missing part.
These procedures are most often planned as a second stage after cancer resection, or performed following extensive trauma such as gunshot wounds or animal bites that leave tissue that cannot be reattached. The material used may come from the patient's own body elsewhere, from donor tissue, or from a synthetic implant, and the choice depends on the size of the defect and how much the reconstructed area needs to withstand chewing, swallowing, and speech.
Anatomy & Axis Detail
Tongue
The tongue is a highly mobile muscular organ essential for articulation, taste, bolus formation, and swallowing, and replacement of tongue tissue is most often performed after partial or total glossectomy for oral cancer. Because so much of tongue function depends on bulk, shape, and the ability to contact the palate and teeth, reconstruction typically relies on free flaps or other vascularized tissue transfers designed to recreate volume and, where possible, some residual mobility rather than merely closing the defect. The extent of replacement, whether limited to the tip, one lateral portion, or the entire organ, dramatically affects speech intelligibility and swallowing safety afterward. Documentation should specify the anatomic portion replaced and the graft or flap material used, since these details determine expected functional outcomes.
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: Nonautologous Tissue Substitute
Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than manufactured material.
Coding & Documentation
Documentation should clearly show that a body part or a defined portion of it is missing and that material was put in to physically stand in for it, rather than reinforcing tissue that is still substantially present. Coders should watch operative reports for terms like "free flap reconstruction," "graft placement to replace," or "prosthetic obturator" that describe filling an absent structure. A frequent error is coding supplement when the underlying body part is largely intact and the graft is only adding bulk or support; if native tissue still performs the function and the graft merely reinforces it, supplement is correct instead. Another pitfall is missing that the replacement material's insertion is bundled into a combined resection-and-reconstruction operative session, which often requires two separate codes.