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Official Description

Capsulotomy, midfoot; with tendon lengthening

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 28261 refers to a surgical procedure known as capsulotomy of the midfoot, which is performed in conjunction with tendon lengthening. This procedure involves making an incision in the fibrous capsule that surrounds the ankle joint, specifically on the inward side. The primary purpose of this intervention is to address conditions such as clubfoot, where the foot tends to twist inward. By performing a capsulotomy, the surgeon can access the underlying structures and facilitate the lengthening of the tendons located on the inward side of the ankle. This lengthening is crucial for correcting the alignment of the foot and preventing further complications associated with the twisting motion. It is important to note that if the procedure requires incisions on multiple sides of the ankle joint and involves lengthening tendons on various sides of the foot, a different code, CPT® 28262, should be utilized. This distinction is essential for accurate medical coding and billing, ensuring that the specific nature of the surgical intervention is properly documented and reimbursed.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure coded as CPT® 28261 is indicated for specific conditions that necessitate surgical intervention to correct foot deformities. The primary indication for this procedure is:

  • Clubfoot - A congenital condition where the foot is twisted inward, requiring surgical correction to restore proper alignment and function.

2. Procedure

The capsulotomy of the midfoot with tendon lengthening involves several critical steps to ensure the successful correction of the foot's alignment. The procedure is performed as follows:

  • Step 1: The patient is positioned appropriately, and the surgical area is prepared and sterilized to minimize the risk of infection. Anesthesia is administered to ensure the patient remains comfortable throughout the procedure.
  • Step 2: The surgeon makes a precise incision on the inward side of the fibrous covering of the ankle joint, known as the capsule. This incision allows access to the underlying tendons that require lengthening.
  • Step 3: Once the capsule is opened, the surgeon identifies the tendons that are contributing to the inward twisting of the foot. These tendons are carefully assessed to determine the extent of lengthening required.
  • Step 4: The surgeon proceeds to lengthen the identified tendons. This may involve cutting the tendons and reattaching them in a manner that allows for increased flexibility and proper alignment of the foot.
  • Step 5: After the tendon lengthening is completed, the surgeon closes the incision in the capsule, ensuring that the foot is positioned correctly to prevent any recurrence of the deformity.
  • Step 6: Finally, the surgical site is sutured, and appropriate dressings are applied to protect the area during the initial healing phase.

3. Post-Procedure

Following the capsulotomy and tendon lengthening procedure, patients typically require a period of recovery that may involve immobilization of the foot to promote healing. The physician will provide specific post-operative care instructions, which may include recommendations for rest, elevation of the foot, and pain management strategies. Physical therapy may also be advised to aid in the rehabilitation process and to restore strength and mobility to the foot. Regular follow-up appointments will be necessary to monitor the healing process and to ensure that the foot is aligning correctly as it heals.

Short Descr REVISION OF FOOT TENDON
Medium Descr CAPSULOTOMY MIDFOOT W/TENDON LENGTHENING
Long Descr Capsulotomy, midfoot; with tendon lengthening
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) 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) P5B - Ambulatory procedures - musculoskeletal
MUE 1
CCS Clinical Classification 150 - Division of joint capsule, ligament or cartilage
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.
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.
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
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
SG Ambulatory surgical center (asc) facility service
T1 Left foot, second digit
T2 Left foot, third digit
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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Pre-1990 Added Code added.
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