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Official Description

Laryngoscopy, direct, operative, with arytenoidectomy;

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 31560 is known as direct laryngoscopy with arytenoidectomy. This surgical intervention involves the excision or laser vaporization of the arytenoid cartilage, which is a critical component of the larynx, responsible for voice production and airway management. Arytenoidectomy is primarily indicated for patients suffering from bilateral vocal cord paralysis, a condition that can severely compromise the airway and hinder normal breathing. The use of a direct laryngoscope, which can be either a rigid angled scope or a flexible scope, allows the physician to visualize the laryngeal structures directly. The rigid scope is typically preferred for surgical procedures and is inserted through the mouth while the patient is under general anesthesia. During the procedure, the physician examines the oral cavity, oropharynx, hypopharynx, larynx, and trachea to ensure comprehensive assessment and treatment. To facilitate the surgery, a suspension device is utilized to maintain adequate exposure of the glottis, allowing for precise intervention. The mucosal layer covering the arytenoids and corniculate cartilage is vaporized using a laser, which helps to expose the arytenoids for the subsequent excision. The procedure may also involve the use of an operating microscope or telescope to enhance visualization and ensure meticulous vaporization of the tissues. It is important to note that CPT® Code 31560 is specifically used when the procedure is performed without the assistance of an operating microscope or telescope, while CPT® Code 31561 is designated for cases where such instruments are employed.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Direct laryngoscopy with arytenoidectomy is indicated for patients experiencing the following conditions:

  • Bilateral Vocal Cord Paralysis - This condition leads to compromised airway function and difficulty in breathing, necessitating surgical intervention to improve airflow.

2. Procedure

The procedure of direct laryngoscopy with arytenoidectomy involves several critical steps to ensure successful execution and patient safety:

  • Step 1: Anesthesia Administration - The patient is placed under general anesthesia to ensure comfort and immobility during the procedure. This is essential for the surgeon to perform the operation safely and effectively.
  • Step 2: Insertion of the Direct Laryngoscope - A rigid angled direct laryngoscope is inserted through the mouth to provide a clear view of the laryngeal structures. This scope allows the physician to visualize the oral cavity, oropharynx, hypopharynx, larynx, and trachea.
  • Step 3: Exposure of the Larynx - A suspension device is employed to maintain adequate exposure of the glottis, which is crucial for accessing the arytenoid cartilage. This step ensures that the surgical field is well-illuminated and visible.
  • Step 4: Vaporization of Mucosa - The mucosa overlying the arytenoids and corniculate cartilage is vaporized using a laser. This technique is preferred as it minimizes bleeding and allows for precise removal of tissue.
  • Step 5: Excision of Arytenoid Cartilage - Following the vaporization, part or all of the arytenoid cartilage is excised. This step is critical for alleviating airway obstruction and improving respiratory function.
  • Step 6: Use of Operating Microscope or Telescope (if applicable) - If an operating microscope or telescope is utilized, it enhances visualization and allows for more meticulous vaporization of the tissues, ensuring thorough and careful execution of the procedure.

3. Post-Procedure

After the completion of the direct laryngoscopy with arytenoidectomy, patients are typically monitored in a recovery area until the effects of anesthesia wear off. Post-procedure care may include pain management, monitoring for any signs of complications such as bleeding or infection, and ensuring that the airway remains patent. Patients may also receive instructions regarding voice rest and follow-up appointments to assess recovery and vocal function. It is essential for healthcare providers to provide clear guidance on post-operative care to facilitate optimal healing and recovery.

Short Descr LARYNGOSCOP W/ARYTENOIDECTOM
Medium Descr LARYNGOSCOPY DIRECT OPERATIVE W/ARYTENOIDECTOMY
Long Descr Laryngoscopy, direct, operative, with arytenoidectomy;
Status Code Active Code
Global Days 000 - Endoscopic or Minor Procedure
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 3 - Special payment adjustment rules for multiple endoscopic 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) 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.
Endoscopic Base Code 31525  Laryngoscopy direct, with or without tracheoscopy; diagnostic, except newborn
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) P8H - Endoscopy - laryngoscopy
MUE 1
CCS Clinical Classification 42 - Other OR therapeutic procedures on respiratory system
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).
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.
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)
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2010-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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