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    v1.0.28
    OpenPayerBilling CodesProcedures / Professional ServicesHCPCS hcpcs-g9756-surgical-use-of-silicone-oil
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    HCPCS G9756: Surgical Procedures Including Use of Silicone Oil

    HCPCS Level II code G9756 describes surgical procedures that included the use of silicone oil, typically applied during posterior segment or vitreoretinal ocular surgeries to tamponade the retina; service type: intraocular surgical procedure involving silicone oil instillation; typical site of service: ambulatory surgery center or hospital operating room for ophthalmic surgery.

    For related coverage guidance, see recent payer policy updates: Esophagogastroduodenoscopy (EGD) Coverage Policy, Magnetic Sphincter Augmentation for the Treatment of Gastroesophageal Reflux Disease (GERD), Fecal Analysis in the Diagnosis of Intestinal Dysbiosis and Fecal Microbiota Transplant Testing.

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is an adult presenting with complex retinal detachment, proliferative vitreoretinopathy, or severe ocular trauma requiring long‑term internal tamponade. The patient undergoes pars plana vitrectomy with instillation of silicone oil into the vitreous cavity to tamponade the retina. Preoperative workflow includes ophthalmic exam, optical coherence tomography, B-scan ultrasonography if media opacity, informed consent discussing silicone oil risks, and baseline visual acuity and intraocular pressure measurements. Intraoperative workflow involves general or monitored anesthesia care, a 3‑ or 4‑port pars plana vitrectomy, membrane peeling, fluid–air exchange, endolaser as indicated, and injection of silicone oil. Postoperative care includes topical antibiotics and corticosteroids, IOP monitoring and management, positioning instructions if applicable, scheduled outpatient visits to monitor retinal reattachment, and planning for silicone oil removal at a later date if clinically appropriate. Typical site of service is an ambulatory surgical center or hospital outpatient department. Common patient scenarios include recurrent retinal detachment after prior surgery, giant retinal tears, or complex traumatic ocular injury where long‑term tamponade with silicone oil is indicated.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    67036Vitrectomy, pars plana; for removal of vitreous, mechanical, pneumatic, or with photocoagulation (includes removal of vitreous opacities and membranes)Primary vitrectomy code commonly used when silicone oil is instilled during pars plana vitrectomy; documents the core surgical work.
    67108Vitrectomy for removal of traction retinal detachment, with or without repair of retinal detachment (complex)Used for complex retinal detachment cases where silicone oil tamponade is required.
    67113Repair of retinal detachment; complicated (including vitrectomy, membrane peeling, air-fluid exchange, internal tamponade)Used when extensive repair is performed and silicone oil is used as internal tamponade.
    67025Removal of vitreous, pars plana vitrectomy with lensectomyUsed when combined vitrectomy and lensectomy are performed prior to silicone oil instillation.
    67121Repair of recurrent retinal detachmentUsed for reoperation on recurrent detachments where silicone oil is often employed for long‑term tamponade.

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    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…
    23Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
    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…
    54Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
    55Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    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…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207Y00000XOtolaryngology PhysicianAn otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ea…
    207RH0000XHematology (Internal Medicine) PhysicianAn internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, cl…
    2080P0208XPediatric Infectious Diseases PhysicianA pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific know…
    103TR0400XRehabilitation PsychologistA psychologist who specializes in the study and application of psychological principles on behalf of persons who have disability due to injury or illn…
    207PH0002XHospice and Palliative Medicine (Emergency Medicine) PhysicianAn emergency medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illn…
    363A00000XPhysician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
    363LP0200XPediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers · Nurse Practitioner
    207LH0002XHospice and Palliative Medicine (Anesthesiology) PhysicianAn anesthesiologist with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This …

    Related Payer Policy Updates

    Specialty: Gastroenterology1 / 3

    7 rows

    PolicyPayerEffective Date
    Esophagogastroduodenoscopy (EGD) Coverage Policyevicore2026-11-05
    Magnetic Sphincter Augmentation for the Treatment of Gastroesophageal Reflux Disease (GERD)univerahealthcare2026-10-15
    Fecal Analysis in the Diagnosis of Intestinal Dysbiosis and Fecal Microbiota Transplant TestingOscar Health2026-10-01
    Serum Testing for Hepatic Fibrosis in the Evaluation and Monitoring of Chronic Liver DiseaseOscar Health2026-10-01
    Pancreatic Enzyme Testing for Acute PancreatitisOscar Health2026-10-01
    Helicobacter pylori TestingOscar Health2026-10-01
    Celiac Disease TestingOscar Health2026-10-01

    Related Codes

    HCPCS-G9490-HOME-ASSESSMENT-NON-HOMEBOUND

    HCPCS G9490: Home Visit Patient Assessment for Non-Homebound Beneficiary

    HCPCS-G0008-INFLUENZA-VACCINE-ADMINISTRATION

    HCPCS G0008: Administration of Influenza Virus Vaccine

    HCPCS-G0009-PNEUMOCOCCAL-VACCINE-ADMINISTRATION

    HCPCS G0009: Administration of Pneumococcal Vaccine

    HCPCS-G0010-HEPATITIS-B-VACCINE-ADMINISTRATION

    HCPCS G0010: Administration of Hepatitis B Vaccine

    HCPCS-G0011-PREP-COUNSELING-HIV-RISK-REDUCTION-ADHERENCE

    HCPCS G0011: Individual PrEP Counseling, HIV Risk Assessment

    HCPCS-G0012-PRE-EXPOSURE-PROPHYLAXIS-INJECTION-HIV-PREVENTION

    HCPCS G0012: Injection of PrEP Drug for HIV Prevention

    HCPCS-G0013-PREP-INDIVIDUAL-COUNSELING-HIV-RISK-REDUCTION

    HCPCS G0013: Individual PrEP Counseling by Clinical Staff

    HCPCS-G0017-PSYCHOTHERAPY-CRISIS-FIRST-60-MINUTES-NON-OFFICE

    HCPCS G0017: Psychotherapy for Crisis, First 60 Minutes

    HCPCS-G0018-PSYCHOTHERAPY-CRISIS-ADDITIONAL-30-MINUTES-NON-OFFICE

    HCPCS G0018: Psychotherapy for Crisis, Additional 30 Minutes

    HCPCS-G0019-COMMUNITY-HEALTH-INTEGRATION-SDOH-CARE-COORDINATION

    HCPCS G0019: Community Health Integration, Person-Centered Assessment

    Showing 1–10 of 1996

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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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