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Official Description

Closed treatment of trimalleolar ankle fracture; without manipulation

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Closed treatment of a trimalleolar ankle fracture involves the management of a specific type of fracture that affects three distinct bony projections known as malleoli, which are located at the ankle joint. The trimalleolar designation refers to the involvement of the lateral malleolus, which is the outer bony prominence of the ankle formed by the fibula; the medial malleolus, which is the inner bony prominence also formed by the fibula; and the posterior malleolus, which is the bony process located at the back of the tibia. This procedure is indicated for fractures that are either nondisplaced or minimally displaced, meaning that the bone fragments have not shifted significantly from their normal alignment. During the closed treatment, no manipulation of the fracture fragments is performed, which distinguishes it from other treatment options that may require manual realignment of the bones. Prior to the treatment, radiographs, or X-rays, are obtained to confirm the presence of the fracture and assess its characteristics. Additionally, a neurovascular examination is conducted to ensure that the nerves and blood vessels surrounding the injury are intact, which is crucial for the patient's overall health and recovery. Following the assessment, a cast or brace is applied to immobilize the fracture, promoting healing and stability during the recovery process.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Closed treatment of a trimalleolar ankle fracture is indicated for the following conditions:

  • Nondisplaced Fracture The fracture fragments remain in their normal anatomical position, requiring treatment without manipulation.
  • Minimally Displaced Fracture The fracture may show slight displacement, but it does not necessitate manual realignment of the bone fragments.

2. Procedure

The procedure for closed treatment of a trimalleolar ankle fracture involves several key steps to ensure proper management of the injury:

  • Step 1: Radiographic Evaluation Initially, separate radiographs are obtained to confirm the presence of the trimalleolar fracture. These X-rays help in assessing the extent of the fracture and determining whether it is displaced or nondisplaced.
  • Step 2: Neurovascular Examination A thorough neurovascular examination is performed to evaluate the integrity of the nerves and blood vessels around the ankle. This step is critical to ensure that there are no complications that could affect the patient's recovery.
  • Step 3: Application of Cast or Brace Once the fracture is confirmed and the neurovascular status is deemed stable, a cast or brace is applied to immobilize the ankle. This immobilization is essential for promoting healing and preventing further injury to the fracture site.

3. Post-Procedure

After the closed treatment procedure, the patient is typically monitored for any signs of complications. The immobilization device, whether a cast or brace, is crucial for maintaining stability at the fracture site during the healing process. Patients are advised on the importance of keeping the affected limb elevated and may receive instructions on pain management and follow-up appointments for further evaluation. Regular follow-up visits may include additional radiographs to monitor the healing progress of the fracture.

Short Descr TREATMENT OF ANKLE FRACTURE
Medium Descr CLTX TRIMALLEOLAR ANKLE FX W/O MANIPULATION
Long Descr Closed treatment of trimalleolar ankle fracture; without manipulation
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) 1 - 150% payment adjustment for bilateral procedures applies.
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 Procedure or Service, Multiple Reduction Applies
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 147 - Treatment, fracture or dislocation of lower extremity (other than hip or femur)
54 Surgical care only: when 1 physician or other qualified health care professional performs a surgical procedure and another provides preoperative and/or postoperative management, surgical services may be identified by adding modifier 54 to the usual procedure number.
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).
55 Postoperative management only: when 1 physician or other qualified health care professional performed the postoperative management and another performed the surgical procedure, the postoperative component may be identified by adding modifier 55 to the usual procedure number.
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.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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.)
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
FS Split (or shared) evaluation and management visit
GC This service has been performed in part by a resident under the direction of a teaching physician
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GW Service not related to the hospice patient's terminal condition
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)
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
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
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