Optical Coherence Tomography (OCT) of the Anterior Eye
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This policy governs coverage of anterior segment optical coherence tomography (AS-OCT) for diagnosis, presurgical evaluation, surgical guidance, and postoperative assessment of the anterior eye for members of Capital Bluecross plans where this policy applies.
No material clinical or coverage changes in this revision.
Coverage Determinations
Not medically established / Investigational
AS-OCT of the anterior eye is considered investigational (not covered) because evidence is insufficient to demonstrate improved health outcomes.
Policy summary: evidence base is limited and primarily consists of imaging and diagnostic capability studies without demonstrated linkage to improved health outcomes.
Not established as medically necessary / insufficient evidence
Policy conclusions reflected in the document:
Summary of evidence notes higher detection rates compared with gonioscopy but unclear true-positive rate and need for longer-term outcome studies.
Document cites case series and limited comparative data; clinical utility and outcome impact are not established.
Policy states evidence is limited and insufficient to determine effects on health outcomes.
Scanning computerized ophthalmic imaging of the anterior eye segment (anterior segment optical coherence tomography, AS‑OCT) is considered investigational by this policy because the evidence is insufficient to demonstrate improved health outcomes or clinical benefit.
Procedure code 92132 (and the repeats/listed instances of this code) is designated investigational in this policy and therefore not covered.
Use of AS‑OCT has been reported for evaluation of angle‑closure, for presurgical or planned anterior eye surgery assessment, for intraoperative or surgical guidance, and for monitoring postsurgical complications. Although AS‑OCT can provide high‑resolution images that in some studies are superior to slit‑lamp examination or gonioscopy for certain indications, the current literature is limited and does not demonstrate that these uses improve health outcomes.
Use of anterior segment OCT for screening to detect angle closure, for routine imaging of anterior segment pathology (for example, dry eye, tumors, uveitis, or infections), or for routine presurgical or postoperative assessment is considered unsupported/ investigational because available studies are limited to diagnostic accuracy and case series and do not establish that AS‑OCT findings lead to improved clinical outcomes.
Procedure and Device Coding
| K222166 | SOLIX — Optovue, Inc.; Anterior segment optical coherence (product code OBO) — 510(k) K222166, cleared 11/9/2022 |
| K213265 | Tomey Cornea/Anterior Segment OCT — Tomey Corporation; Anterior segment optical coherence tomography (product code OBO) — 510(k) K213265, cleared 4/27/2022 |
| K211817 | CASIA2 Anterion — Heidelberg Engineering; Anterior segment optical coherence (product code OBO) — 510(k) K211817, cleared 11/5/2021 |
| K201724 | Pentacam AXL Wave — Oculus Optikgerate; Anterior segment optical coherence (product code MXK) — 510(k) K201724, cleared 10/21/2020 |
| K182942 | Xephilio OCT-A1 — Canon; Anterior segment optical coherence (product code OBO) — 510(k) K182942, cleared 7/24/2019 |
| K180660 | Avanti — Optovue Inc.; Anterior segment optical coherence tomography (product code OBO) — 510(k) K180660, cleared 6/8/2018 |
| K163475 | iVue — Optovue Inc.; Anterior segment optical coherence (product code OBO) — 510(k) K163475, cleared 6/9/2017 |
| K162067 | VX130 Ophthalmic Diagnostic Device — Luneau SAS; Anterior segment optical coherence (product code HKX) — 510(k) K162067, cleared 4/24/2017 |
| K153239 | LSFG-NAVI — Softcare Co. Ltd.; Anterior segment optical coherence (product code HKI) — 510(k) K153239, cleared 5/12/2016 |
| K153080 | RTVue XR OCT Avanti with AngioVue — Optovue Inc.; Anterior segment optical coherence tomography (product code HLI) — 510(k) K153080, cleared 2/11/2016 |
| 92132 | Anterior segment optical coherence tomography (listed in policy as investigational and therefore not covered) |
Provider Requirements and Billing Guidance
Confirm product-specific prior authorization and benefit rules
This policy applies only to certain Capital Blue Cross programs and products; benefit variations may affect prior authorization requirements and coverage determinations. Refer to product-specific guidance (including FEP PPO instructions) when requesting prior authorization.
- Policy applicability may vary by product.
- FEP PPO members: follow FEP medical policy manual at fepblue.org.
Do not expect coverage for investigational procedure codes (e.g., 92132)
Procedure code 92132 for anterior segment OCT is listed as investigational and therefore not covered; claims submitted with this code may be denied regardless of prior authorization.
- Investigational procedure code identified: 92132.
- Investigational designation means the code is not payable under this policy.
Consider established alternatives (gonioscopy or ultrasound) first
Before ordering AS-OCT, document that established alternative exams (slit-lamp biomicroscopy with gonioscopy or ultrasound biomicroscopy) were considered or are not appropriate for the clinical question.
- Slit-lamp biomicroscopy with gonioscopic mirror is the typical evaluation method for the anterior chamber angle.
- Ultrasound biomicroscopy is an alternative imaging method with known resolution characteristics.
Document clinical intent and expected impact on care
Ensure clinical indications, test purpose, and how the AS-OCT findings will affect management are documented in the medical record to support medical necessity and claims processing.
- Record the clinical indication and intended use (e.g., evaluation for angle‑closure, presurgical assessment, surgical guidance, or postsurgical complication assessment).
- Policies are not guarantees of coverage; payment depends on member benefits and medical necessity determinations.
Document clear clinical indication and intended use
Document the specific clinical indication and intended use for AS-OCT (for example: evaluation for angle‑closure glaucoma, presurgical assessment for anterior segment surgery, intraoperative or surgical guidance, or evaluation of postsurgical complications).
- Indications cited in policy include evaluation for angle‑closure, presurgical/planned anterior eye surgery evaluation, surgical guidance, and postsurgical complication assessment.
- Include how results will change patient management to support necessity.
Verify member benefits and document medical necessity
Confirm member benefit terms and eligibility before billing; this policy does not guarantee coverage or payment and final claim processing depends on the member’s contract and medical necessity determinations.
- Policies are used to determine coverage but are not guarantees of payment.
- Payment is subject to member benefit program terms, eligibility, and medical necessity.
Risk of denial: AS‑OCT considered investigational for anterior eye
Be aware AS‑OCT may be denied as investigational; the evidence is considered insufficient to conclude AS‑OCT improves health outcomes, so prior authorization may be declined or claims denied.
- Policy states AS‑OCT of the anterior eye is investigational due to insufficient evidence of benefit.
- Diagnostic accuracy data exist but linkage to improved outcomes is not established, supporting denial risk.
Investigational procedure codes (92132) likely denied
Claims for services billed with investigational procedure codes (notably CPT code 92132) may be denied because the policy lists these codes as investigational and not covered.
- Procedure code 92132 is explicitly listed as investigational and therefore not covered.
- Coding lists may not be all‑inclusive; verify current coding guidance and member benefits.
Background and Context
Anterior segment optical coherence tomography (AS‑OCT) is a noninvasive, high‑resolution imaging technique that produces cross‑sectional images of anterior ocular structures (cornea, iris, anterior chamber angle, and related tissues) using coherent light interferometry. It is being evaluated for detection of angle‑closure glaucoma, presurgical planning and guidance, and assessment of anterior segment pathology and postoperative complications, but evidence linking AS‑OCT imaging to improved health outcomes is currently insufficient.
Key Definitions
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