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Official Description

Interdental wiring, for condition other than fracture

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 21497 involves interdental wiring, which is a technique used to stabilize the jaw in patients with conditions other than fractures. This procedure is particularly relevant for individuals who may not have teeth, as it allows for the stabilization of the jaw through the use of wire and arch bars. In cases where patients are edentulous (without teeth), the physician may first create dentures or acrylic splints that are affixed to the jaw. Once these supportive structures are in place, the physician proceeds to insert the arch bars and wires, which serve to further stabilize the jaw and maintain its position. This method is crucial for ensuring proper alignment and function of the jaw, especially in patients who require additional support due to various dental or medical conditions.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure of interdental wiring, as described by CPT® Code 21497, is indicated for various conditions that necessitate stabilization of the jaw without the presence of fractures. The following are specific indications for this procedure:

  • Jaw instability - Conditions that lead to instability in the jaw, requiring stabilization to ensure proper function.
  • Edentulous patients - Patients who do not have teeth and may require support structures such as dentures or acrylic splints.
  • Jaw alignment issues - Situations where the jaw requires stabilization to maintain proper alignment and function.

2. Procedure

The procedure for interdental wiring involves several key steps to ensure effective stabilization of the jaw. Each step is critical for achieving the desired outcome.

  • Step 1: Preparation of the patient - The physician begins by assessing the patient's condition and determining the need for interdental wiring. This may involve imaging studies and a thorough examination to understand the specific requirements for stabilization.
  • Step 2: Creation of supportive structures - For patients who are edentulous, the physician will first create dentures or acrylic splints. These structures are designed to fit securely onto the jaw and provide a foundation for the subsequent steps.
  • Step 3: Attachment of dentures or splints - Once the dentures or acrylic splints are ready, they are attached to the jaw. This step is crucial as it provides the necessary support for the arch bars and wires that will follow.
  • Step 4: Insertion of arch bars - The physician then inserts arch bars, which are metal bars that will help stabilize the jaw. These bars are carefully positioned to ensure they provide adequate support and alignment.
  • Step 5: Wiring - Finally, the physician uses wire to connect the arch bars, securing them in place. This wiring is essential for maintaining the stability of the jaw and ensuring that the alignment is preserved during the healing process.

3. Post-Procedure

After the interdental wiring procedure is completed, the patient will require specific post-procedure care to ensure proper healing and recovery. This may include instructions on diet modifications, as patients may need to avoid hard or chewy foods that could disrupt the stabilization. Regular follow-up appointments will be necessary to monitor the healing process and make any adjustments to the wiring or supportive structures as needed. The physician will also provide guidance on oral hygiene practices to maintain the health of the gums and any attached structures during the recovery period.

Short Descr INTERDENTAL WIRG OTH/THN FX
Medium Descr INTERDENTAL WIRING OTHER THAN FRACTURE
Long Descr Interdental wiring, for condition other than fracture
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Surgical procedure on ASC list in CY 2007; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P6B - Minor procedures - musculoskeletal
MUE 1
CCS Clinical Classification 29 - Oral and Dental Services
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
GC This service has been performed in part by a resident under the direction of a teaching physician
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2025-01-01 Changed Short Description changed.
Pre-1990 Added Code added.
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