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Official Description

Adjustment or revision of external fixation system requiring anesthesia (eg, new pin[s] or wire[s] and/or new ring[s] or bar[s])

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 20693 involves the adjustment or revision of an external fixation system, which is a medical device used to stabilize fractures or joint injuries. This procedure is performed under general anesthesia, ensuring that the patient is completely unconscious and free from pain during the operation. The external fixation device consists of pins, wires, rings, and bars that are strategically placed to hold the fractured bone or joint in the correct position, promoting optimal healing. During the adjustment or revision, the physician may introduce new pins or wires, or modify the existing configuration of the external fixation system. This may involve rearranging or replacing previously inserted components such as pins, wires, or plates to enhance the stability of the fixation and support the healing process. The careful manipulation of these components is crucial for achieving the desired alignment and support for the affected area, ultimately aiding in the recovery of the patient.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure is indicated for patients who require adjustments or revisions to their external fixation systems due to various reasons related to the healing of fractures or joint injuries. The following conditions may warrant this procedure:

  • Fracture Healing Complications Adjustments may be necessary if the initial fixation is not providing adequate stabilization for the healing fracture.
  • Infection Management If there is an infection at the pin or wire sites, revision may be required to replace infected components and ensure proper healing.
  • Alignment Issues If the bone or joint is not properly aligned, the external fixation system may need to be revised to correct the positioning.
  • Growth Adjustments In pediatric patients, adjustments may be needed as the child grows to accommodate changes in bone length and alignment.

2. Procedure

The procedure for adjusting or revising an external fixation system involves several critical steps to ensure the effective stabilization of the fracture or joint injury. The following outlines the procedural steps:

  • Step 1: Anesthesia Administration The patient is placed under general anesthesia to ensure they are completely unconscious and free from pain during the procedure. This is a crucial step as it allows the physician to perform the necessary adjustments without causing discomfort to the patient.
  • Step 2: Assessment of the Existing Fixation Once the patient is anesthetized, the physician assesses the current external fixation system. This involves examining the existing pins, wires, and overall stability of the device to determine what adjustments or revisions are necessary.
  • Step 3: Removal or Adjustment of Components The physician may proceed to remove or adjust existing components of the external fixation system. This could involve loosening or tightening screws, removing infected or misaligned pins, or repositioning wires to enhance stability.
  • Step 4: Insertion of New Components If required, new pins or wires may be inserted through the skin and into the bone. These components are carefully placed to ensure they provide the necessary support and alignment for the healing process.
  • Step 5: Final Configuration After all adjustments and insertions are made, the physician ensures that the external fixation system is properly configured. This includes checking the tension and alignment of all components to ensure optimal stabilization of the fracture or joint.

3. Post-Procedure

After the procedure, the patient is monitored in a recovery area until the effects of anesthesia wear off. Post-procedure care includes assessing the site for any signs of infection or complications. The physician may provide specific instructions regarding weight-bearing activities, wound care, and follow-up appointments to monitor the healing process. Patients are typically advised to keep the area clean and dry, and to report any unusual symptoms such as increased pain, swelling, or discharge from the pin sites. Regular follow-up visits are essential to ensure that the external fixation system remains effective and to make any further adjustments as needed.

Short Descr ADJMT/REVJ EXT FIXJ SYS ANES
Medium Descr ADJUSTMENT/REVJ XTRNL FIXATION SYSTEM REQ ANES
Long Descr Adjustment or revision of external fixation system requiring anesthesia (eg, new pin[s] or wire[s] and/or new ring[s] or bar[s])
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) 1 - Statutory 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) P3D - Major procedure, orthopedic - other
MUE 2
CCS Clinical Classification 161 - Other OR therapeutic procedures on bone
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).
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
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.
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.)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
81 Minimum assistant surgeon: minimum surgical assistant services are identified by adding modifier 81 to the usual procedure number.
AG Primary physician
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
ET Emergency services
F3 Left hand, fourth digit
F7 Right hand, third digit
GC This service has been performed in part by a resident under the direction of a teaching physician
LT Left side (used to identify procedures performed on the left side of the body)
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
RT Right side (used to identify procedures performed on the right side of the body)
TR School-based individualized education program (iep) services provided outside the public school district responsible for the student
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2024-01-01 Changed Short Description changed.
2009-01-01 Changed Code description changed
1991-01-01 Added First appearance in code book in 1991.
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