OPTICAL COHERENCE TOMOGRAPHY (OCT) OF THE ANTERIOR EYE
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This policy governs coverage and evaluation of anterior segment optical coherence tomography (AS-OCT) for diagnosis, presurgical and postsurgical assessment, and imaging of anterior eye pathology for members of Capital BlueCross products (subject to product variations).
No material clinical or coverage changes in this revision.
Coverage Criteria for Anterior Segment OCT
Investigational / Not established as medically necessary
Covered when ALL of the following are met:
AS-OCT is investigational for general clinical use, including evaluation for angle-closure, presurgical and postsurgical assessment, and imaging of anterior segment disease/pathology as stated in the policy.
General coverage conclusion
Coverage stance and clinical rationale summarized from policy:
Although AS-OCT provides high-resolution images and may be superior to slit-lamp examination or gonioscopy for some indications, available literature is limited (primarily case series) and does not demonstrate improved health outcomes.
This policy is applicable only to certain Capital BlueCross programs and products and is subject to benefit variations. For members covered under the Federal Employee Program (FEP) PPO, refer to the FEP Medical Policy Manual for applicable coverage rules and prior authorization requirements.
Procedure code 92132 (anterior segment optical coherence tomography) is designated as investigational and not covered under this policy; claims submitted using this code may be denied.
Anterior segment optical coherence tomography (AS-OCT) is not supported as medically necessary for general clinical use. The policy concludes that AS-OCT is considered investigational because there is insufficient evidence to demonstrate that use of AS-OCT improves health outcomes across indications including evaluation for angle-closure, presurgical and postsurgical assessment, and imaging of anterior segment disease or pathology.
The available literature for AS-OCT in presurgical evaluation, intraoperative or surgical guidance, and postsurgical monitoring is limited to case series and small studies. While AS-OCT can provide high-resolution images and in some reports appears superior to slit-lamp examination or gonioscopy for particular imaging tasks, current evidence is inadequate to show that its use leads to improved surgical planning, intraoperative guidance, or better postoperative outcomes; therefore these uses are considered investigational.
Coding and Regulatory Information
| K222166 | 510(k) number for SOLIX (Optovue, Inc.) |
| K213265 | 510(k) number for Tomey Cornea/Anterior Segment OCT CASIA2 |
| K211817 | 510(k) number for Anterion (Heidelberg Engineering GmbH) |
| K201724 | 510(k) number for Pentacam AXL Wave (Oculus Optikgerate GmbH) |
| K182942 | 510(k) number for Xephilio OCT-A1 (Canon) |
| K180660 | 510(k) number for Avanti (Optovue Inc.) |
| K163475 | 510(k) number for iVue (Optovue Inc.) |
| K162067 | 510(k) number for VX130 Ophthalmic Diagnostic Device (Luneau SAS) |
| K153239 | 510(k) number for LSFG-NAVI (Softcare Co. Ltd.) |
| K153080 | 510(k) number for RTVue XR OCT Avanti with AngioVue (Optovue Inc.) |
| 92132 | Anterior segment optical coherence tomography (AS-OCT) — investigational / not covered per policy text |
Provider Actions and Billing Guidance
Product‑specific prior authorization / benefit check
This policy applies only to certain Capital BlueCross programs and products and may be subject to product-specific prior authorization or benefit requirements; for the Federal Employee Program (FEP) PPO, refer to the FEP Medical Policy Manual linked in the policy.
- Confirm whether the member’s product is administered by Capital BlueCross and whether prior authorization is required under that product.
- For FEP PPO members, follow the FEP Medical Policy Manual as directed in the policy.
Prior authorization and coverage verification — verify member benefits and medical necessity; investigational procedures identified in the policy may be denied
Verify the member’s eligibility, benefit coverage, and medical necessity before submitting claims for anterior segment OCT; procedures the policy identifies as investigational are not eligible for coverage under this policy.
- Check member eligibility and benefit limitations on date of service; final claim processing is subject to the member’s benefit contract.
- Do not assume coverage for AS‑OCT when the policy classifies the procedure as investigational.
Use standard alternative assessments as comparators
Use standard comparator assessments—gonioscopy (slit‑lamp with gonio lens), slit‑lamp biomicroscopy, or ultrasound biomicroscopy—where clinically appropriate, as these are described in the policy as alternative evaluation methods and may be expected prior to consideration of AS‑OCT.
- Gonioscopy (gonio lens examination) and slit‑lamp biomicroscopy are typical clinical methods to evaluate the anterior chamber.
- Ultrasound biomicroscopy is an alternative imaging method that can assess the anterior eye when indicated.
Confirm product‑specific benefit applicability
Confirm whether the member’s specific product or program includes coverage for the service before ordering or performing AS‑OCT; product variations may exclude this policy or direct to alternate policy manuals (e.g., FEP).
- Review the member’s benefit plan for any exclusions or variations that affect AS‑OCT coverage.
- Contact Provider Services or Member Services with questions about product‑specific applicability.
Eligibility and benefit verification — providers should verify member eligibility, benefit limitations, and that services are medically necessary
Verify member eligibility, benefit limitations, and that the requested services are medically necessary and appropriate; payment is subject to the member’s benefit contract and final claim determination.
- Confirm eligibility and benefits on the date of service.
- Document medical necessity in the medical record to support claim adjudication.
Investigational designation triggers denial risk for anterior segment OCT claims
Because the policy designates AS‑OCT as investigational due to insufficient evidence of health‑outcome benefit, claims for anterior segment OCT may be denied under this policy.
- Do not assume coverage for AS‑OCT; verify benefits and obtain prior authorization when required.
- Provide clear documentation of clinical indications if requesting coverage despite investigational designation (recognizing denials may occur).
Investigational procedure coding denial risk — procedure code 92132 listed as investigational and not covered
Procedure code 92132 (anterior segment optical coherence tomography) is listed in the policy as investigational and not covered; claims submitted with code 92132 may be denied.
- Do not bill code 92132 expecting coverage under this policy unless an alternate benefit determination is documented.
- Confirm coding guidance with payer prior to submission if an exception or different coding applies for the member’s product.
Background and Rationale
Anterior segment optical coherence tomography (AS-OCT) is a noninvasive, high-resolution imaging technique used to visualize the cornea, iris, ciliary body, anterior chamber angle and related structures. AS-OCT has been evaluated for detecting narrow or closed angles and for imaging anterior segment pathology, and some studies report higher detection rates of narrow angles compared with gonioscopy. However, the clinical significance of additional detections is unclear due to uncertain specificity, limited follow-up, and lack of evidence that earlier detection or imaging with AS-OCT changes patient management or improves outcomes. As a result, AS-OCT remains classified as investigational in this policy.
Definitions
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