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The CPT® Code 66770 refers to the destruction of cysts or lesions located in the iris or ciliary body through a nonexcisional procedure. Cysts and lesions in these areas can be classified as primary, which have no identifiable cause, or secondary, which may develop following trauma to the eye. While many cysts and lesions are asymptomatic and are often discovered incidentally during routine eye examinations, those that obstruct the visual axis, particularly the pupil, can lead to complications such as secondary glaucoma, characterized by increased intraocular pressure, and potential loss of visual acuity. The pigmented iris epithelium, extending from the central pupillary margin to the peripheral iris, is the most common site for these cysts or lesions. In contrast, lesions arising from the stroma, which is lined with non-keratinized squamous epithelium, are less frequent and are more commonly observed in infants and children. The procedure for the destruction of these cysts or lesions can be performed under either local or general anesthesia, depending on the specific case and patient needs. Treatment methods include the insertion of a fine-gauge needle into the base of the cyst to aspirate the fluid, followed by the introduction of ethyl alcohol (ETOH) for a brief period to facilitate the collapse of the cyst. Alternative treatment modalities may involve endodiathermy, which utilizes heat, cryotherapy, which employs cold, or laser photocoagulation to effectively manage the cysts and lesions.
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The procedure coded as CPT® 66770 is indicated for the treatment of cysts or lesions located in the iris or ciliary body. The following conditions may warrant this procedure:
The procedure for the destruction of cysts or lesions in the iris or ciliary body involves several key steps, which are detailed as follows:
After the procedure coded as CPT® 66770, patients may require specific post-procedure care to ensure proper healing and monitor for any complications. It is important to follow up with the patient to assess the effectiveness of the treatment and to check for any signs of infection or adverse reactions. Patients may experience some discomfort or swelling in the treated area, which can typically be managed with prescribed medications. Regular follow-up appointments may be necessary to evaluate the resolution of the cyst or lesion and to ensure that visual acuity is maintained. Additionally, patients should be advised on any activity restrictions or care instructions to promote optimal recovery.
| Short Descr | REMOVAL OF INNER EYE LESION | Medium Descr | DSTRJ CYST/LESION IRIS/CILIARY BODY | Long Descr | Destruction of cyst or lesion iris or ciliary body (nonexcisional procedure) | Status Code | Active Code | Global Days | 090 - Major Surgery | 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 | Procedure or Service, Multiple Reduction Applies | ASC Payment Indicator | Office-based surgical procedure added to ASC list in CY 2008 or later with MPFS nonfacility PE RVUs; 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 | 20 - Other intraocular therapeutic procedures |
| 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. | 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 | E3 | Upper right, eyelid | 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) | RT | Right side (used to identify procedures performed on the right side of the body) | SG | Ambulatory surgical center (asc) facility service |
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| Pre-1990 | Added | Code added. |
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