0CUV77Z
Supplement Vocal Cord, Left to No Qualifier with Autologous Tissue Substitute, Via Natural or Artificial Opening Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | C Mouth and Throat |
| Operation | U Supplement |
| Body Part | V Vocal Cord, Left |
| Approach | 7 Via Natural or Artificial Opening |
| Device | 7 Autologous Tissue Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part
Procedure Overview
Supplement procedures add biological or synthetic material to a mouth or throat structure that is still substantially present, reinforcing or augmenting its function rather than replacing it outright. Pharyngoplasty using a graft to bulk up the throat wall for velopharyngeal insufficiency, augmentation of the soft palate to improve closure during speech, or grafting to reinforce a thin area of tissue after healing are typical examples. The native structure remains and continues to function; the added material simply strengthens or enlarges it.
These procedures are commonly performed for functional problems such as speech difficulties following cleft palate repair, or to improve swallowing and airway protection when tissue has thinned or weakened over time. They are also used cosmetically or functionally to augment structures like the lips. Because the underlying body part stays in place, supplement is generally a lower-risk undertaking than a procedure that removes and substitutes an entire structure.
Anatomy & Axis Detail
Vocal Cord, Left
The left vocal cord, paired with its right-sided counterpart within the larynx, must approximate the midline during phonation to produce a clear voice and during swallowing to help shield the airway. Supplementation, commonly performed as vocal cord medialization, adds material such as fat, collagen, or a synthetic implant alongside the existing cord to restore bulk and reposition it closer to the midline, typically to treat glottic insufficiency from left-sided vocal cord paralysis, atrophy, or scarring. Left-sided paralysis is frequently associated with injury to the recurrent laryngeal nerve given its longer intrathoracic course, so this procedure is often seen following thoracic or cardiac surgery, mediastinal tumor involvement, or idiopathic neuropathy, and correct laterality coding is essential given the bilateral anatomy of the larynx.
Approach: Via Natural or Artificial Opening
Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.
Device: Autologous Tissue Substitute
Autologous Tissue Substitute identifies a device value where material harvested from the patient's own body, such as an autograft, is used to replace or reconstruct a body part. Its defining feature is tissue origin from the patient, setting it apart from Nonautologous Tissue Substitute, sourced from a donor or animal, and Synthetic Substitute, made of manufactured material.
Coding & Documentation
Coders should confirm the operative note describes reinforcing or augmenting a structure that remains anatomically present, with language such as "augmentation," "reinforcement graft," or "bulking injection," rather than removal of the existing tissue. A common mistake is coding supplement when the surgeon actually replaced a missing portion of a structure, which belongs under replacement instead; the deciding question is always whether the body part is intact and simply being reinforced. Coders should also distinguish supplement from repair, since a repair closes a defect using the patient's own tissue while supplement specifically adds outside material to strengthen the area.