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    v1.0.31
    OpenPayerBilling CodesProsthetic ProceduresHCPCS hcpcs-l8612-aqueous-shunt-implantable-ophthalmic-device
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    HCPCS L8612: Aqueous Shunt

    HCPCS Level II code L8612 denotes an aqueous shunt device used for surgical implantation to divert aqueous humor and lower intraocular pressure; the code pertains to the implantable glaucoma drainage device typically supplied for an ophthalmic surgical procedure performed in an ambulatory surgical center or hospital operating room.

    For related coverage guidance, see recent payer policy updates: Speech Therapy for Autism Disorders - Medical Policy, Physical Performance Test or Measurement, Sensory Integration Therapy and Auditory Integration Training.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is a middle-aged or elderly individual with refractory glaucoma in whom medical therapy and laser trabeculoplasty have failed to control intraocular pressure. The ophthalmologist evaluates the patient in an outpatient ophthalmology clinic, documents progressive optic nerve damage, visual field loss, and elevated intraocular pressure despite maximal tolerated topical medications. Preoperative workup includes history, visual acuity, slit-lamp exam, gonioscopy, pachymetry, and informed consent. The procedure, L8612 (aqueous shunt), is generally performed in an ambulatory surgery center or hospital outpatient department under monitored anesthesia care or general anesthesia. The surgeon places a glaucoma drainage device (aqueous shunt) to divert aqueous humor from the anterior chamber to a subconjunctival reservoir to lower intraocular pressure. Typical perioperative workflow includes preoperative marking, sterile prepping, conjunctival dissection, device placement with tube insertion into the anterior chamber, patch graft or scleral tunnel coverage as indicated, conjunctival closure, and postoperative topical antibiotics and steroids. Postoperative visits at day 1, week 1, and month 1 (and ongoing) document intraocular pressure, tube position, corneal clarity, and any complications such as hypotony, tube occlusion, or endophthalmitis. Billing for the device uses L8612; professional and facility services are billed separately. Common payors include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    66180Excision of trabecular meshwork; ab internoMay be performed prior to or instead of aqueous shunt in some glaucoma treatment algorithms; not billed concurrently with shunt if duplicate service
    66170Trabeculectomy, with or without antimetabolitesAlternative filtration surgery; may be performed in patients who are not candidates for aqueous shunt or as a subsequent procedure
    66183Revision or repair of aqueous shunt (intracameral tube repositioning)Performed when postoperative complications require revision of the shunt or tube position
    67028Injection of a therapeutic agent into the vitreous cavity (intravitreal)Occasionally performed in the perioperative period if concomitant retinal pathology requires treatment; distinct from shunt placement
    66999Unlisted procedure, anterior segment of eyeUsed for unusual or experimental glaucoma drainage device procedures not described by standard CPT codes

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    208000000X
    363L00000X
    367500000X
    2083P0011X
    208D00000X
    376G00000X
    246QC1000X
    163WA2000X

    Related Payer Policy Updates

    Specialty: Physical Medicine, Rehab & Therapies1 / 2

    10 rows

    PolicyPayerEffective Date
    Speech Therapy for Autism Disorders - Medical PolicyHealth-New-England2026-12-01
    Physical Performance Test or MeasurementCigna2026-11-15
    Sensory Integration Therapy and Auditory Integration TrainingColorado Rocky Mountain Health Plans2026-11-01
    Chiropractic Careexcellus_health_plan_inc2026-10-22
    Skilled Nursing and Skilled Rehabilitation Services (Outpatient)Anthem2026-10-01
    Habilitation and Rehabilitation Therapy (Occupational, Physical, and Speech) (for New Mexico Only)UnitedHealthcare2026-10-01
    Physical Therapy/Medicine Corporate Medical Policybcbsvermont2026-10-01
    Occupational Therapy Corporate Medical Policybcbsvermont2026-10-01
    Speech Language Pathology/Therapy Services Corporate Medical Policybcbsvermont2026-10-01
    Cognitive Rehabilitation Corporate Medical Policybcbsvermont2026-10-01

    Related Codes

    HCPCS-L5000-PARTIAL-FOOT-SHOE-INSERT-LONGITUDINAL-ARCH-TOE-FILLER

    HCPCS Level II L5000: Partial Foot Shoe Insert with Longitudinal Arch, Toe Filler

    HCPCS-L5010-PARTIAL-FOOT-MOLDED-SOCKET-ANKLE-HEIGHT-TOE-FILLER

    HCPCS L5010: Partial Foot Molded Socket, Ankle Height, With Toe Filler

    HCPCS-L5020-PARTIAL-FOOT-MOLDED-SOCKET-TIBIAL-TUBERCLE-TOE-FILLER

    HCPCS L5020: Partial Foot Molded Socket with Toe Filler

    HCPCS-L5050-ANKLE-SYMES-MOLDED-SOCKET-SACH-FOOT

    HCPCS L5050: Ankle/Symes Molded Socket with SACH Foot

    HCPCS-L5060-ANKLE-SYMES-METAL-FRAME-MOLDED-LEATHER-SOCKET-ARTICULATED-ANKLE-FOOT

    HCPCS L5060: Ankle/Symes Metal Frame with Molded Leather Socket

    HCPCS-L5100-BELOW-KNEE-MOLDED-SOCKET-SHIN-SACH-FOOT

    HCPCS Level II L5100: Below-Knee Molded Socket with Shin and SACH Foot

    HCPCS-L5105-BELOW-KNEE-PLASTIC-SOCKET-SACH-FOOT

    HCPCS L5105: Below-Knee Plastic Socket Prosthesis with SACH Foot

    HCPCS-L5150-KNEE-DISARTICULATION-MOLDED-SOCKET-EXTERNAL-KNEE-SACH-FOOT

    HCPCS L5150: Knee Disarticulation Molded Socket with External Knee and SACH Foot

    HCPCS-L5160-KNEE-DISARTICULATION-MOLDED-SOCKET-BENT-KNEE-SACH-FOOT

    HCPCS Level II L5160: Knee Disarticulation Molded Socket, Bent Knee Configuration

    HCPCS-L5200-ABOVE-KNEE-MOLDED-SOCKET-SINGLE-AXIS-KNEE-SACH-FOOT

    HCPCS Level II L5200: Above-knee Prosthesis with Molded Socket and Single-axis Knee

    Showing 1–10 of 472

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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