Coding Ahead
CasePilot
Medical Coding Assistant
Case2Code
Search and Code Lookup Tool
RedactPHI
HIPAA-Compliant PHI Redaction
DetectICD10CM
ICD-10-CM Code Detection
Log in Register free account
1 code page views remaining. Guest accounts are limited to 1 page view. Register free account to get 5 more views.
Log in Register free account

Official Description

Laryngoscopy, direct, with injection into vocal cord(s), therapeutic; with operating microscope or telescope

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

This procedure, known as laryngoscopy with injection into the vocal cord(s), is a therapeutic intervention primarily aimed at addressing vocal cord atrophy or paralysis. It is commonly referred to as injection medialization laryngoplasty. The procedure utilizes a direct laryngoscope, which is a specialized instrument that allows the physician to visualize the laryngeal structures directly through fiberoptic technology. There are two main types of direct laryngoscopes: a rigid angled scope and a flexible scope, each serving to examine the oral cavity, oropharynx, hypopharynx, larynx, and trachea. During the procedure, the physician suspends the laryngoscope to obtain a clear view of the vocal cords. An operating microscope or telescope may be employed to enhance visualization and facilitate the injection process. The injection is performed in the paraglottic space, specifically lateral to the thyroarytenoid muscle, using either a resorbable material for temporary effects or an implant material for more permanent results. This injection serves to bulk up the vocal cord, repositioning it to a more normal anatomical position, which can improve vocal function. Following the injection, the physician assesses the patient's response to the treatment to determine if the desired outcome has been achieved or if further injections are necessary. The procedure can be conducted unilaterally or bilaterally, depending on the patient's specific needs. It is important to note that CPT® Code 31571 is designated for cases where an operating microscope or telescope is utilized, while CPT® Code 31570 is applicable when these instruments are not used.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure is indicated for the following conditions:

  • Vocal Cord Atrophy - A condition where the vocal cords lose mass and strength, leading to voice changes.
  • Vocal Cord Paralysis - A condition where one or both vocal cords cannot move properly, affecting voice production and airway protection.

2. Procedure

The procedure involves several key steps to ensure effective treatment of vocal cord issues:

  • Step 1: Preparation - The patient is positioned appropriately, and local anesthesia may be administered to minimize discomfort during the procedure. The physician prepares the necessary instruments, including the direct laryngoscope, operating microscope, or telescope.
  • Step 2: Visualization - The physician inserts the direct laryngoscope into the patient's throat to visualize the laryngeal structures. This allows for a clear view of the vocal cords and surrounding anatomy, which is crucial for accurate injection.
  • Step 3: Injection - Once the vocal cords are adequately visualized, the physician injects a resorbable material or an implant material into the paraglottic space, specifically lateral to the thyroarytenoid muscle. This injection is aimed at bulking up the vocal cord to improve its position and function.
  • Step 4: Evaluation - After the injection, the physician evaluates the patient's vocal cord position and function to determine if the desired therapeutic effect has been achieved. This assessment may involve vocalization tests or other evaluations.
  • Step 5: Additional Injections - If the initial injection does not yield satisfactory results, the physician may perform additional injections as needed to achieve optimal vocal cord positioning and function.

3. Post-Procedure

Post-procedure care involves monitoring the patient for any immediate complications and assessing the effectiveness of the injection. Patients may experience some temporary discomfort or changes in voice quality following the procedure. The physician will provide specific instructions regarding voice rest and any follow-up appointments necessary to evaluate the results of the treatment. It is essential for the patient to report any unusual symptoms or concerns during the recovery period, as this can help in managing any potential complications effectively.

Short Descr LARYNGOSCOP W/VC INJ + SCOPE
Medium Descr LARGSC W/NJX VOCAL CORD THER W/MICRO/TELESCOPE
Long Descr Laryngoscopy, direct, with injection into vocal cord(s), therapeutic; with operating microscope or telescope
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) 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.
Endoscopic Base Code 31526  Laryngoscopy direct, with or without tracheoscopy; diagnostic, with operating microscope or telescope
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).
GC This service has been performed in part by a resident under the direction of a teaching physician
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.
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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.
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).
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).
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.
74 Discontinued out-patient hospital/ambulatory surgery center (asc) procedure after administration of anesthesia: due to extenuating circumstances or those that threaten the well being of the patient, the physician may terminate a surgical or diagnostic procedure after the administration of anesthesia (local, regional block(s), general) or after the procedure was started (incision made, intubation started, scope inserted, etc). under these circumstances, the procedure started but terminated can be reported by its usual procedure number and the addition of modifier 74. note: the elective cancellation of a service prior to the administration of anesthesia and/or surgical preparation of the patient should not be reported. for physician reporting of a discontinued procedure, see modifier 53.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 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.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
AG Primary physician
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
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CR Catastrophe/disaster related
GA Waiver of liability statement issued as required by payer policy, individual case
GW Service not related to the hospice patient's terminal condition
GZ Item or service expected to be denied as not reasonable and necessary
LT Left side (used to identify procedures performed on the left side of the body)
PD Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
RT Right side (used to identify procedures performed on the right side of the body)
SG Ambulatory surgical center (asc) facility service
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
Date
Action
Notes
2006-01-01 Changed Code description changed.
Pre-1990 Added Code added.
Code
Description
Code
Description
Code
Description
Code
Description
Code
Description
CasePilot

Get instant expert-level medical coding assistance.

Ask about:
CPT Codes Guidelines Modifiers Crosswalks NCCI Edits Compliance Medicare Coverage
Example: "What is CPT code 99213?" or "Guidelines for E/M services"