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Official Description

Monitoring of intraocular pressure during vitrectomy surgery (List separately in addition to code for primary procedure)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0173T refers to the monitoring of intraocular pressure (IOP) during vitrectomy surgery, which is a specialized surgical procedure performed on the eye. Vitrectomy involves the removal of the vitreous gel from the eye, and during this process, there can be significant fluctuations in IOP. These fluctuations are critical to monitor because they can affect the vascular perfusion pressure, which is essential for maintaining adequate blood flow to the optic nerve and retina. If the IOP becomes too high or too low, it may compromise the health of these vital structures, potentially leading to poor surgical outcomes. To address this concern, a new technology has been developed that allows for real-time measurement of IOP during the procedure. This technology includes a pressure monitoring device that is placed adjacent to the eye and secured with tape. The device features transducers that are carefully positioned and calibrated to ensure accurate readings. It is connected to a computer console that continuously monitors the IOP throughout the surgery. The ongoing investigation into the relationship between IOP fluctuations and surgical outcomes aims to enhance the safety and effectiveness of vitrectomy procedures.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The monitoring of intraocular pressure during vitrectomy surgery is indicated for the following conditions:

  • Closed intraocular vitrectomy procedures These procedures are associated with significant fluctuations in intraocular pressure (IOP), which can impact surgical outcomes.

2. Procedure

The procedure for monitoring intraocular pressure during vitrectomy surgery involves several critical steps to ensure accurate and continuous measurement of IOP throughout the surgical process.

  • Placement of the pressure monitoring device The first step involves securing a pressure monitoring device adjacent to the eye. This device is affixed using tape to ensure stability during the procedure.
  • Calibration of transducers Once the device is in place, the transducers are positioned and calibrated. This step is essential to ensure that the readings obtained from the device are accurate and reliable.
  • Connection to the computer console After calibration, the monitoring device is connected to a computer console. This console is responsible for continuously monitoring the intraocular pressure throughout the vitrectomy surgery.

3. Post-Procedure

Post-procedure care following the monitoring of intraocular pressure during vitrectomy surgery includes observing the patient for any immediate complications related to IOP fluctuations. Continuous monitoring data may be reviewed to assess the correlation between IOP changes and surgical outcomes. Further follow-up may be necessary to evaluate the overall success of the surgery and the health of the optic nerve and retina.

Short Descr IOP MONIT IO PRESSURE
Medium Descr MONITOR INTRAOCULAR PRESS DURING VITRECTOMY
Long Descr Monitoring of intraocular pressure during vitrectomy surgery (List separately in addition to code for primary procedure)
Status Code Carriers Price the Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 0 - No 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) 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.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Discontinued Code
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) none
MUE Not applicable/unspecified.
CCS Clinical Classification 16 - Repair of retinal tear, detachment
Date
Action
Notes
2013-01-01 Deleted Code deleted
2013-01-01 Changed Short and Medium Descriptors changed.
2008-01-01 Added Code added.
2007-01-01 Added Code added
Code
Description
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