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Official Description

Laryngectomy; total, without radical neck dissection

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 31360 refers to a total laryngectomy, which is a surgical operation involving the complete removal of the larynx, commonly known as the voice box. This procedure is typically indicated for patients with laryngeal cancer or other significant laryngeal diseases that necessitate the removal of the entire laryngeal structure. The operation begins with a horizontal incision made in the skin of the neck, specifically at the level of the thyroid cartilage, which is a prominent structure in the neck. Following the incision, subplatysmal flaps are raised to expose the larynx, allowing the surgeon to dissect it free from the surrounding tissues. During the procedure, the delphian node, which is a lymph node located in the midline of the neck, is excised, along with the thyroid gland and the hyoid bone. The thyroid cartilage, which provides structural support to the larynx, is also skeletonized, meaning that the surrounding tissues are carefully removed to isolate the cartilage. The entry point into the larynx is determined by the specific location and extent of the disease present. Once the larynx is completely removed, the surgical wound is closed, and a laryngostoma is created. This involves making a separate incision below the initial incision to externalize the trachea, which is then sutured to the skin at the sternal notch. This creates a permanent stoma, allowing the patient to breathe directly through the trachea, bypassing the removed larynx. It is important to note that this code is specifically used when the total laryngectomy is performed without a radical neck dissection (RND), which is a more extensive procedure involving the removal of lymph nodes and surrounding structures in the neck.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The total laryngectomy procedure described by CPT® Code 31360 is indicated for patients with specific conditions affecting the larynx. These indications include:

  • Laryngeal Cancer - The primary indication for a total laryngectomy is the presence of malignant tumors in the larynx that require complete removal to prevent the spread of cancer.
  • Severe Laryngeal Dysfunction - Conditions that lead to significant impairment of laryngeal function, which may not be amenable to less invasive treatments, can also necessitate this procedure.
  • Advanced Laryngeal Disease - Other advanced diseases affecting the larynx that compromise its structural integrity or function may warrant a total laryngectomy.

2. Procedure

The total laryngectomy procedure involves several critical steps, which are detailed as follows:

  • Step 1: Incision - The procedure begins with the surgeon making a horizontal incision in the skin of the neck at the level of the thyroid cartilage. This incision allows access to the larynx and surrounding structures.
  • Step 2: Raising Flaps - After the incision, subplatysmal flaps are raised to expose the larynx. This step is essential for providing a clear view and access to the laryngeal area for dissection.
  • Step 3: Dissection of the Larynx - The larynx is carefully dissected free from the surrounding tissues. This involves meticulous surgical techniques to avoid damaging adjacent structures.
  • Step 4: Removal of Adjacent Structures - During the procedure, the delphian node is excised, and the thyroid gland is resected. Additionally, the hyoid bone is removed, and the thyroid cartilage is skeletonized to facilitate the complete removal of the larynx.
  • Step 5: Entry into the Larynx - The surgeon enters the larynx, with the site of entry determined by the location and extent of the disease. This step is crucial for ensuring that the entire laryngeal structure is removed.
  • Step 6: Complete Removal - The larynx is then removed in its entirety, ensuring that all affected tissues are excised to achieve the best possible outcome for the patient.
  • Step 7: Closure of the Surgical Wound - After the larynx has been removed, the surgical wound is closed, which is an important step in the overall procedure.
  • Step 8: Creation of Laryngostoma - Following the removal of the larynx, a laryngostoma is created. This involves making a separate incision below the initial incision to externalize the trachea, which is then sutured to the skin at the sternal notch, creating a permanent stoma for breathing.

3. Post-Procedure

Post-procedure care following a total laryngectomy includes monitoring the patient for any complications related to the surgery, such as infection or bleeding. Patients will require education on how to care for the laryngostoma, including cleaning and maintenance to prevent infection. Speech therapy may also be necessary to help the patient adapt to changes in communication following the loss of the larynx. Additionally, patients will need ongoing follow-up care to monitor for any signs of recurrence of disease and to manage any long-term effects of the surgery.

Short Descr REMOVAL OF LARYNX
Medium Descr LARYNGECTOMY TOTAL W/O RADICAL NECK DISSECTION
Long Descr Laryngectomy; total, without radical neck dissection
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) 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 Inpatient Procedures, not paid under OPPS
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 1
CCS Clinical Classification 42 - Other OR therapeutic procedures on respiratory system
GC This service has been performed in part by a resident under the direction of a teaching physician
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).
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.
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).
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) 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.
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.)
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).
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).
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
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
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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