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Intrastromal corneal ring segments are specialized medical devices designed to enhance visual acuity by altering the shape of the cornea. These segments are micro-thin, flexible, crescent-shaped inserts made from polymethylmethacrylate, a biocompatible material. The implantation of these segments involves creating small incisions in the cornea, followed by the formation of channels using either a laser or a specialized dissecting instrument. Once the channels are prepared, one or two corneal ring segments are inserted into each channel, with the thickness of the segments chosen based on the specific degree of correction required for the patient. The primary function of these implants is to flatten the curvature of the anterior cornea, which in turn modifies the eye's refractive properties, leading to improved vision. This procedure is particularly beneficial for individuals suffering from myopia (nearsightedness) and astigmatism, especially those who have previously undergone refractive laser surgery and are experiencing complications such as corneal ectasia or keratoconus. By providing a mechanical alteration to the corneal structure, intrastromal corneal ring segments offer a viable option for enhancing visual outcomes in these patients.
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Intrastromal corneal ring segments are indicated for use in specific conditions related to visual acuity and corneal shape. The following are the primary indications for this procedure:
The implantation of intrastromal corneal ring segments involves several precise steps to ensure successful placement and optimal visual correction. The procedure is typically performed in an outpatient setting and follows these detailed steps:
Following the implantation of intrastromal corneal ring segments, patients can expect a recovery period that may vary in duration. Post-procedure care typically includes the use of prescribed antibiotic and anti-inflammatory eye drops to prevent infection and reduce inflammation. Patients are advised to avoid rubbing their eyes and to refrain from engaging in strenuous activities for a specified period. Regular follow-up appointments are essential to monitor the healing process and assess the effectiveness of the correction. Visual acuity may improve gradually over the weeks following the procedure, and patients should be informed about potential side effects, such as temporary discomfort or visual fluctuations, as part of their recovery expectations.
| Short Descr | IMPLANT CORNEAL RING | Medium Descr | IMPLTJ INTRASTROMAL CORNEAL RING SEGMENTS | Long Descr | Implantation of intrastromal corneal ring segments | 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 | Procedure or Service, Multiple Reduction Applies | Type of Service (TOS) | 2 - Surgery | Berenson-Eggers TOS (BETOS) | P4E - Eye procedure - other | MUE | Not applicable/unspecified. | CCS Clinical Classification | 19 - Other therapeutic procedures on eyelids, conjunctiva, cornea |
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| 2016-01-01 | Deleted | Code deleted, to report see 65785 |
| 2006-01-01 | Added | First appearance in code book in 2006. |
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