Insurance Claims for Vein Surgery: 10 Years of Expert Advice

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Seo Ji-eun, a financial planner with over a decade of experience in South Korea’s insurance industry, has raised questions about the documentation required for a specific medical procedure, according to a July 2026 report by Incheon News. The query centers on “sclerotherapy for varicose veins via the saphenous vein,” a treatment categorized under vascular surgery. Seo’s inquiry highlights the complexities of navigating insurance claims for procedures that may fall into gray areas of coverage.

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Incheon News, a regional Korean outlet, cited Seo’s concerns as part of a broader discussion on how insurance policies handle treatments that are technically classified as “cosmetic” but have medical justifications. The procedure in question, known in Korean as “하지정맥으로 복재정맥 폐쇄술,” involves injecting a solution into the saphenous vein to close varicose veins. While some insurers cover it under “vascular disease treatment,” others deny claims, citing lack of “medically necessary” documentation.

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Seo’s case underscores a systemic challenge for policyholders: the discrepancy between clinical definitions and insurance policy language. “Many patients face rejections because the paperwork doesn’t align with the insurer’s criteria,” Seo stated in the report. “Even when a doctor certifies the procedure as medically necessary, the insurance company may still deny it based on their internal guidelines.”

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According to a 2025 analysis by the Korean Health Insurance Review & Assessment Service (HIRA), 18% of varicose vein treatments were initially denied by insurers, with documentation gaps cited as the primary reason. HIRA’s data shows that procedures labeled as “cosmetic” or “aesthetic” face higher rejection rates, even when performed to alleviate symptoms like pain or swelling.

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The issue has prompted calls for clearer policy guidelines. Kim Min-jun, a legal scholar at Seoul National University, noted that South Korea’s insurance regulations lack standardized definitions for “medically necessary” treatments. “This ambiguity allows insurers to interpret criteria broadly, often to the detriment of patients,” Kim said in a 2025 interview.

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For individuals seeking coverage, experts recommend proactive steps. Park Soo-jin, a certified insurance consultant, advised policyholders to request detailed documentation from their physicians. “Doctors should explicitly state the procedure’s medical necessity, such as ‘to prevent complications from venous insufficiency,’ rather than relying on general terms,” Park said.

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Incheon News also highlighted a 2024 court ruling that expanded coverage for similar procedures. A Seoul district court ordered an insurer to reimburse a patient after determining that the treatment was medically justified, despite the company’s initial denial. The case set a precedent for requiring insurers to provide “specific medical rationale” for rejections.

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Seo’s experience reflects a broader trend in South Korea’s insurance landscape, where policyholders increasingly face hurdles in securing coverage for treatments that straddle the line between medical and cosmetic. As the industry grapples with these challenges, advocates emphasize the need for transparency and standardized criteria to reduce disputes.

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For now, Seo’s case remains a cautionary tale for both patients and professionals. “The key is to understand the insurer’s requirements early,” Seo said. “It’s not just about the procedure—it’s about how you document it.”

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Incheon News reported this story on July 26, 2026, citing Seo Ji-eun’s comments and industry data. The article did not provide direct contact information for Seo or the insurer involved.

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Quoted text
“Many patients face rejections because the paperwork doesn’t align with the insurer’s criteria. Even when a doctor certifies the procedure as medically necessary, the insurance company may still deny it based on their internal guidelines.”
Seo Ji-eun, financial planner and insurance consultant

Quoted text
“This ambiguity allows insurers to interpret criteria broadly, often to the detriment of patients.”
Kim Min-jun, legal scholar, Seoul National University

Quoted text
“Doctors should explicitly state the procedure’s medical necessity, such as ‘to prevent complications from venous insufficiency,’ rather than relying on general terms.”
Park Soo-jin, certified insurance consultant