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Official Description

Excision of lesion of meniscus or capsule (eg, cyst, ganglion), knee

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 27347 refers to the excision of a lesion located in the meniscus or capsule of the knee, which may include types of lesions such as cysts or ganglions. A cyst is defined as a closed cavity or sac that is lined with epithelial cells and typically contains either liquid or semisolid material. In contrast, a ganglion is a specific type of cyst that is found within fibrous tissue, muscle, bone, or cartilage. The procedure involves making an incision in the skin directly over the lesion site, allowing the surgeon to access the meniscus or joint capsule of the knee. Once the lesion is exposed, it is carefully dissected from the surrounding tissue to ensure complete removal. After the lesion has been excised, the incision is then closed using sutures, which aids in the healing process and restores the integrity of the skin. This procedure is typically performed to alleviate symptoms associated with the lesion, such as pain or swelling, and to prevent further complications in the knee joint.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The excision of a lesion of the meniscus or capsule of the knee, as described by CPT® Code 27347, is indicated for various conditions that may cause discomfort or functional impairment. The following are the explicitly provided indications for this procedure:

  • Cysts - Fluid-filled sacs that can develop in the knee joint, potentially causing pain or swelling.
  • Ganglions - Cysts that form within fibrous tissue, muscle, bone, or cartilage, which may lead to joint dysfunction or discomfort.

2. Procedure

The procedure for excising a lesion of the meniscus or capsule of the knee involves several critical steps, each aimed at ensuring the effective removal of the lesion while minimizing damage to surrounding tissues. The following procedural steps are outlined:

  • Step 1: Incision - The surgeon begins by making an incision in the skin directly over the site of the lesion. This incision is strategically placed to provide optimal access to the meniscus or joint capsule, allowing for a clear view of the lesion.
  • Step 2: Exposure - Once the incision is made, the surgeon carefully dissects the tissue to expose the lesion. This step requires precision to avoid damaging surrounding structures, such as ligaments or blood vessels.
  • Step 3: Dissection and Removal - After the lesion is fully exposed, the surgeon meticulously dissects it free from the surrounding tissue. This involves separating the lesion from any attached structures to ensure complete excision. The lesion is then removed from the knee joint.
  • Step 4: Closure - Following the successful removal of the lesion, the surgeon closes the incision using sutures. This step is crucial for promoting healing and restoring the integrity of the skin over the surgical site.

3. Post-Procedure

After the excision of the lesion, patients may require specific post-procedure care to ensure proper recovery. This typically includes monitoring for any signs of infection at the incision site, managing pain with prescribed medications, and following up with the healthcare provider to assess healing. Patients may also be advised to limit weight-bearing activities on the affected knee for a certain period to facilitate recovery. Rehabilitation exercises may be recommended to restore mobility and strength in the knee joint as healing progresses.

Short Descr REMOVE KNEE CYST
Medium Descr EXCISION LESION MENISCUS/CAPSULE KNEE
Long Descr Excision of lesion of meniscus or capsule (eg, cyst, ganglion), knee
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) 2 - Payment restriction for assistants at surgery does not apply to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
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 1
CCS Clinical Classification 151 - Excision of semilunar cartilage of knee
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.
50 Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d).
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.
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)
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)
SG Ambulatory surgical center (asc) facility service
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
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
1999-01-01 Added First appearance in code book in 1999.
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