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Official Description

Probing of nasolacrimal duct, with or without irrigation; requiring general anesthesia

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Probing of the nasolacrimal duct (NLD) is a medical procedure aimed at addressing obstructions in the tear duct system, which can lead to excessive tearing or infections. The nasolacrimal duct is a small channel that allows tears to drain from the eye into the nasal cavity. In children, congenital obstructions are common, where the duct fails to open properly into the nose, often resolving on its own by the age of 12 months. However, if the obstruction persists beyond this age, intervention may be necessary. The procedure involves the insertion of a probe into the duct, which may be accompanied by irrigation to clear any blockages. This procedure is typically performed under general anesthesia, especially in pediatric cases, to ensure the comfort and safety of the patient. The use of general anesthesia allows for a more thorough examination and treatment of the duct without causing distress to the patient. The probing may also include the use of saline solution with fluorescein dye to help visualize and clear any debris or obstructions within the duct. This procedure is essential for restoring normal tear drainage and preventing complications associated with tear duct obstructions.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Probing of the nasolacrimal duct is indicated for the following conditions:

  • Congenital Nasolacrimal Duct Obstruction - This condition is characterized by the failure of the nasolacrimal duct to open into the nose, leading to excessive tearing and potential infections in infants.
  • Acquired Nasolacrimal Duct Obstruction - Although less common, adults may experience obstructions due to various factors, including trauma, infection, or age-related changes.

2. Procedure

The procedure for probing the nasolacrimal duct involves several key steps:

  • Dilation of the Puncta - The procedure begins with the dilation of the puncta, which are the small openings located at the inner corner of the eyelids. This step is crucial to allow for the insertion of the probe into the nasolacrimal duct.
  • Insertion of the Probe - A specialized probe is carefully inserted through the dilated puncta and advanced through the nasolacrimal duct. The goal is to navigate the probe until it reaches the nasal cavity, where it can be visualized or touched by a second probe introduced through the nasal punctum.
  • Visualization and Removal of the Probe - Once the probe is successfully positioned, it is removed from the duct. This step may involve confirming the patency of the duct and ensuring that any obstruction has been addressed.
  • Irrigation of the Duct - Following the probing, the duct may be irrigated with a saline solution, often containing fluorescein dye. This irrigation helps to flush out any debris, obstructions, or stones that may be present within the duct, facilitating clearer drainage.

3. Post-Procedure

After the probing of the nasolacrimal duct, patients may experience some temporary discomfort or tearing as the duct adjusts. It is important to monitor for any signs of infection or complications following the procedure. Patients are typically advised to follow up with their healthcare provider to assess the success of the procedure and determine if further interventions, such as tube placement or balloon dilation, are necessary. Recovery is generally quick, and most patients can resume normal activities shortly after the procedure, although specific post-operative care instructions should be followed as directed by the physician.

Short Descr PROBE NASOLACRIMAL DUCT
Medium Descr PROBE NASOLACRIMAL DUCT W/WO IRRIG REQ GEN ANES
Long Descr Probing of nasolacrimal duct, with or without irrigation; requiring general anesthesia
Status Code Active Code
Global Days 010 - Minor Procedure
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) 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.
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) P4E - Eye procedure - other
MUE 1
CCS Clinical Classification 19 - Other therapeutic procedures on eyelids, conjunctiva, cornea
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).
LT Left side (used to identify procedures performed on the left side of the body)
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).
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).
54 Surgical care only: when 1 physician or other qualified health care professional performs a surgical procedure and another provides preoperative and/or postoperative management, surgical services may be identified by adding modifier 54 to the usual procedure number.
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.
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.)
E1 Upper left, eyelid
E2 Lower left, eyelid
E3 Upper right, eyelid
E4 Lower right, eyelid
GC This service has been performed in part by a resident under the direction of a teaching physician
GW Service not related to the hospice patient's terminal condition
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
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
1997-01-01 Added First appearance in code book in 1997.
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