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Official Description

Injection, posterior chamber of eye, medication

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 0699T involves the injection of medication into the posterior chamber of the eye. The posterior chamber is a critical anatomical space located between the iris and the lens, situated in front of the vitreous body. This chamber plays a vital role in the eye's physiology, particularly in the production and circulation of aqueous humor, which is a clear, watery fluid essential for maintaining intraocular pressure, providing nutrients to the cornea and lens, and facilitating the removal of metabolic waste from these structures. During the injection procedure, the patient is typically positioned in a supine manner, ensuring that the head and neck are adequately supported for optimal access to the eye. Prior to the injection, a topical ophthalmic anesthetic is applied to minimize discomfort, and the eye is cleansed with an antiseptic solution to reduce the risk of infection. An eyelid speculum is then utilized to keep the eyelids open, allowing for a clear view of the injection site, which is marked for precision. A fine needle attached to a syringe is carefully inserted through the cornea, traversing the anterior chamber and directed behind the iris towards the lens, where the medication is administered into the posterior chamber. Following the injection, the needle is withdrawn, and antibiotic eye drops are instilled to prevent infection, after which the eye may be patched to protect it during the initial recovery phase.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The injection into the posterior chamber of the eye is performed for various clinical indications, which may include the following:

  • Medication Delivery The procedure is primarily indicated for the delivery of therapeutic agents directly into the posterior chamber to treat specific ocular conditions.
  • Management of Intraocular Pressure It may be indicated for conditions that require the management of intraocular pressure, such as glaucoma.
  • Treatment of Intraocular Infections The injection can be utilized in the treatment of intraocular infections, where localized medication is necessary for effective management.
  • Post-Surgical Treatment It may also be indicated following ocular surgeries to ensure proper healing and to deliver medications that promote recovery.

2. Procedure

The procedure for injecting medication into the posterior chamber of the eye involves several critical steps, which are outlined as follows:

  • Patient Positioning The patient is positioned supine, ensuring that the head and neck are adequately supported to facilitate access to the eye during the procedure.
  • Application of Anesthetic A topical ophthalmic anesthetic is applied to the eye to minimize discomfort during the injection process.
  • Eye Cleansing The eye is then cleansed with an antiseptic solution to reduce the risk of infection at the injection site.
  • Placement of Eyelid Speculum An eyelid speculum is inserted to keep the eyelids open, providing a clear view of the injection site and preventing blinking.
  • Marking the Injection Site The injection site is marked to ensure precision during the injection, allowing for accurate placement of the medication.
  • Needle Insertion A fine needle attached to a syringe is carefully inserted through the cornea, traversing the anterior chamber and directed behind the iris towards the lens.
  • Medication Injection The medication is then injected into the posterior chamber, ensuring that it is delivered accurately to the intended site.
  • Needle Withdrawal After the injection, the needle is withdrawn carefully to minimize trauma to the eye.
  • Instillation of Antibiotic Drops Antibiotic eye drops are instilled into the eye to prevent infection following the procedure.
  • Eye Patching Finally, the eye may be patched to protect it during the initial recovery phase, allowing for proper healing.

3. Post-Procedure

Post-procedure care following the injection into the posterior chamber of the eye typically includes monitoring for any immediate adverse reactions, ensuring that the patient is comfortable, and providing instructions for care at home. Patients may be advised to avoid rubbing the eye and to follow up with their healthcare provider for any scheduled post-injection evaluations. The use of antibiotic eye drops may be continued as prescribed to prevent infection, and patients should be informed about signs of complications, such as increased pain, redness, or changes in vision, which would necessitate prompt medical attention.

Short Descr NJX PST CHMBR EYE MEDICATION
Medium Descr INJECTION POSTERIOR CHAMBER EYE MEDICATION
Long Descr Injection, posterior chamber of eye, medication
Status Code Carriers Price the Code
Global Days YYY - Carrier Determines Whether Global Concept Applies
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 Non office-based surgical procedure added in CY 2008 or later; payment based on OPPS relative payment weight.
Berenson-Eggers TOS (BETOS) none
MUE 2
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).
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.
LT Left side (used to identify procedures performed on the left side of the body)
Date
Action
Notes
2022-01-01 Added Code added
Code
Description
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