Health Insurance Trusts for Family Members: Long-Term Planning for Medical Expenses

The Hong Kong Hospital Authority recorded a 9.2% year-on-year increase in public healthcare expenditure for the fiscal year ending March 2025, reaching HKD 98.7 billion, while private medical inflation in the territory ran at an annualised 11.4% over the same period, according to the HA’s 2024-2025 Annual Report and Willis Towers Watson’s 2025 Global Medical Trends Survey. For families managing assets above USD 10 million, the arithmetic of self-funded healthcare has become unsustainable: a single complex oncology episode in a Hong Kong private hospital can now exceed HKD 2.5 million, and chronic conditions such as end-stage renal disease require HKD 600,000 to HKD 1.2 million annually for dialysis and related care. The Health Insurance Trust (HIT) — a dedicated trust structure holding life insurance policies or medical reimbursement plans for designated beneficiaries — has emerged as a cross-jurisdictional solution that addresses three converging pressures: the erosion of public hospital service standards under demographic strain, the absence of universal catastrophic coverage in Hong Kong’s mixed public-private system, and the estate planning complications that arise when medical expenses are paid directly from family wealth without a structured vehicle. The HIT is not a new product; it is a structural overlay that reconfigures how insurance proceeds and medical reimbursements flow across generations, and its adoption is accelerating among Hong Kong family offices and multi-jurisdictional HNW families as the 2025-2026 policy cycle introduces tighter SFC oversight on insurance-linked investment products and HKMA guidance on cross-border premium flows.

The Structural Mechanics of a Health Insurance Trust

A Health Insurance Trust is a formal trust arrangement under Hong Kong or offshore common law in which the settlor transfers ownership of one or more life insurance policies — typically whole life, universal life, or critical illness riders — into an irrevocable trust. The trustee becomes the policy owner and beneficiary of the death benefit or cash value, while the trust deed defines the class of beneficiaries (the settlor’s spouse, children, and in some structures, parents) and the conditions under which trust assets may be used for medical expenses.

The critical distinction from a standard insurance policy is the removal of the policy from the settlor’s personal estate. Under Section 5 of the Hong Kong Estate Duty Ordinance (Cap. 73), which remains relevant for pre-2006 policies still in force, and under general common law principles governing trusts, a policy held in an irrevocable trust is not subject to the settlor’s creditors or to probate administration upon the settlor’s death. For a family with HKD 50 million in liquid assets, placing HKD 10 million in whole-life policies into a BVI or Cayman Islands HIT removes that sum from the estate calculation entirely, reducing potential exposure to Hong Kong’s nil estate duty rate (currently zero, but subject to policy review by the Financial Services and the Treasury Bureau as of the 2025 Budget) and simplifying cross-border succession planning for families with members holding PRC, US, or UK tax residence.

Policy Selection and Premium Funding Mechanics

The choice of policy type determines the trust’s liquidity profile and tax treatment. Whole-life policies with a paid-up structure provide guaranteed death benefits and accumulate cash value at a crediting rate typically between 3.5% and 4.8% per annum for Hong Kong-issued policies from AIA, Prudential, and Manulife as of Q1 2025. Universal life policies offer greater flexibility in premium timing but introduce investment risk through the separate account component, which the SFC regulates under the Code on Investment-Linked Assurance Schemes (ILAS) (revised 2024). Family offices structuring HITs for families with cross-border members should note that the SFC’s 2024 ILAS revisions require enhanced disclosure of underlying fund expense ratios — typically 1.5% to 2.8% per annum — and impose a cooling-off period of 14 calendar days for policyholders, which applies equally when the policy is held by a trust.

Premium funding can be structured as a single lump-sum payment, annual premiums over a defined period (typically 5 to 10 years), or a combination of trust contributions and beneficiary co-payments. The HKMA’s 2023 Guideline on Anti-Money Laundering and Counter-Financing of Terrorism (AMLO) for Trust and Company Service Providers (TCSPs) requires that any premium payment exceeding HKD 120,000 from a trust account be supported by a source-of-wealth declaration, including bank statements, audited financial statements, or tax returns for the preceding 24 months. For PRC-resident settlors remitting funds to a Hong Kong trustee for premium payment, the SAFE circular on cross-border insurance premium remittances (2023 version) limits annual outbound remittances for life insurance premiums to USD 50,000 per individual under the current account regime, making BVI or Cayman trust structures with Hong Kong-based policies a more practical routing than direct PRC-to-Hong Kong premium flows.

Trustee Selection and Jurisdictional Considerations

The trustee of an HIT must hold a TCSP licence under Hong Kong’s Anti-Money Laundering and Counter-Terrorist Financing Ordinance (Cap. 615) if the trust is administered in Hong Kong, or be a licensed trust company in the jurisdiction of establishment. For Hong Kong-based families, the most common structure is a Hong Kong-incorporated trustee company holding a TCSP licence, paired with a BVI or Cayman Islands trust deed to benefit from those jurisdictions’ asset protection statutes — specifically Part VIII of the BVI Trustee Ordinance (Cap. 303) and Section 84 of the Cayman Islands Trusts Law (2021 Revision), which provide for firewall provisions against foreign forced-heirship claims.

The practical implication for a family with members holding PRC citizenship: under Article 33 of the PRC Succession Law, forced-heirship rules apply to PRC-domiciled individuals, but a BVI HIT with a Hong Kong trustee and a governing law clause selecting BVI law can insulate the trust assets from PRC succession claims, provided the settlor is not a PRC tax resident at the time of settlement. The 2024 amendments to the PRC Trust Law did not address foreign trust recognition directly, but the Supreme People’s Court’s 2023 Guiding Case No. 195 confirmed that a BVI trust with a foreign trustee and no PRC situs assets is outside the jurisdiction of PRC courts for succession disputes.

Tax Optimisation and Cross-Border Premium Flows

The tax treatment of an HIT depends on three variables: the jurisdiction of the trust, the residence of the settlor and beneficiaries, and the type of policy held. For a Hong Kong-resident settlor with a Hong Kong-issued policy held in a BVI trust, no Hong Kong profits tax arises on the policy’s cash value accumulation, because insurance policy gains are not classified as trading receipts under the Inland Revenue Ordinance (Cap. 112) Section 14. Death benefits paid to the trust are not subject to Hong Kong estate duty (currently zero), and distributions from the trust to Hong Kong-resident beneficiaries for medical expenses are treated as capital distributions, not income, under Section 8 of the IRO, provided the trust deed does not create a right to periodic payments.

The PRC Tax Residence Trap

The single most common error in HIT structuring for families with PRC connections is the assumption that a Hong Kong-resident beneficiary can receive trust distributions without PRC tax implications if the trust is BVI-domiciled. Under the PRC Individual Income Tax Law (2018 revision) and its implementing regulations, a PRC tax resident — defined as an individual domiciled in China or present in China for 183 days or more in a tax year — is subject to worldwide income tax on any distribution from a foreign trust that is classified as “income” under PRC tax rules. The State Taxation Administration’s 2023 Announcement No. 1 on the Taxation of Trust Distributions clarified that distributions from a foreign trust to a PRC tax resident beneficiary are taxable as “income from the transfer of property” if the trust has accumulated earnings, or as “income from dividends and bonuses” if the distribution is characterised as a profit distribution by the trustee.

For a family with a son studying at the University of Hong Kong who holds a PRC passport and spends more than 183 days in Hong Kong per year, the distribution from a BVI HIT to pay his medical expenses would be taxable in China at the progressive rate of 3% to 45% on the portion of the distribution that exceeds the original trust corpus. The solution is either to structure the trust as a grantor trust under US or UK rules (if the settlor is a US or UK resident) or to ensure that distributions to PRC-resident beneficiaries are limited to the trust’s original corpus — the premiums paid — which are not taxable as income under the STA’s 2023 guidance.

US Citizens and the Foreign Trust Reporting Burden

A US citizen or green card holder who is a beneficiary of an HIT faces a significantly more onerous reporting regime. Under the US Internal Revenue Code Sections 671-679, a foreign trust with a US beneficiary is treated as a “foreign trust with a US beneficiary,” and the US beneficiary must file Form 3520 (Annual Return To Report Transactions With Foreign Trusts) and Form 3520-A (Annual Information Return of Foreign Trust With a US Owner) if the trust has any US owner. For a Hong Kong family with a child who holds US citizenship by birth, the HIT must be structured as a “grantor trust” under IRC Section 671, meaning the settlor — not the trust — is treated as the owner of the trust assets for US tax purposes. This eliminates the need for the US beneficiary to file Form 3520-A, but it subjects the settlor to US tax on the trust’s annual income, including the policy’s cash value growth.

The 2024 IRS Notice 2024-45 provided a safe harbour for foreign trusts with de minimis US beneficiaries, but the threshold is low: a US beneficiary with an actuarial interest of less than 5% of the trust’s value and aggregate distributions of less than USD 10,000 per year. For most families with USD 10 million+ in trust assets, this safe harbour is inapplicable, and the cost of US tax compliance — including annual filing fees for a US tax preparer familiar with foreign trust rules, typically USD 5,000 to USD 15,000 per year — must be factored into the HIT’s total cost of ownership.

Medical Expense Triggers and Distribution Protocols

The trust deed must define with precision the medical events that trigger a distribution. Standard triggers include hospitalisation exceeding 24 hours, diagnosis of a critical illness as defined in the policy’s schedule (typically 40 to 60 conditions under Hong Kong Insurance Authority guidelines), outpatient chemotherapy or radiotherapy, and long-term care requiring a licensed caregiver for more than 30 consecutive days. The trustee is required to verify each claim against medical records, hospital invoices, and in some cases, independent medical assessments, before releasing funds.

The Reimbursement vs. Direct Payment Model

Two distribution models exist. Under the reimbursement model, the beneficiary pays the medical provider directly and submits invoices to the trustee for reimbursement. This model preserves the trust’s capital until the expense is incurred but requires the beneficiary to have sufficient liquidity to front the cost — a practical problem for a family member facing a HKD 1.5 million hospital bill. Under the direct payment model, the trustee issues payment directly to the medical provider upon receipt of a claim form and supporting documentation. The direct payment model is preferred for high-cost treatments such as proton beam therapy at the Hong Kong Sanatorium & Hospital (HKD 800,000 to HKD 1.2 million per course) or stem cell transplantation at the Prince of Wales Hospital’s private ward (HKD 1.8 million to HKD 2.5 million).

The trust deed should specify a maximum processing time for claims — typically 5 business days for urgent claims and 15 business days for non-urgent claims — and a dispute resolution mechanism. The Hong Kong Trust Law (Cap. 29) does not prescribe a specific claims process, but the trustee’s fiduciary duty under Section 3 of the Trustee Ordinance requires that distributions be made “with reasonable diligence,” and a failure to process an urgent medical claim within 48 hours could expose the trustee to a breach of trust claim.

Coordination with Hospital Authority and Private Insurance

An HIT does not replace existing health insurance; it supplements it. For a family member who holds a corporate medical plan through an employer, the trust deed should include a coordination-of-benefits clause specifying that the trust is the payer of last resort — meaning the trust only reimburses expenses not covered by the primary insurance. This prevents double recovery and preserves the trust’s corpus for expenses that fall outside the primary policy’s coverage limits, such as experimental treatments, overseas medical evacuation, or long-term custodial care.

The Hong Kong Insurance Authority’s 2024 Guidance Note on Claims Handling (GN12) requires insurers to respond to claims within 30 days of receipt of all supporting documents, but private insurers routinely process standard claims within 10 to 15 business days. The HIT’s trustee should maintain a direct line of communication with the family’s insurance broker to ensure that claims are submitted to the primary insurer first, and that the trust only processes the residual amount.

Actionable Takeaways

1. A Health Insurance Trust should be structured as an irrevocable trust under BVI or Cayman law with a Hong Kong-licensed TCSP trustee to obtain asset protection against PRC forced-heirship claims while maintaining Hong Kong tax neutrality on policy cash value accumulation and death benefits.

2. For families with US citizen beneficiaries, the trust must be structured as a grantor trust under IRC Section 671 to avoid the US beneficiary’s obligation to file Form 3520-A, and the settlor must budget USD 5,000 to USD 15,000 per year for US foreign trust tax compliance.

3. The trust deed must define medical triggers as specific, verifiable events — hospitalisation exceeding 24 hours, critical illness diagnosis, or long-term care exceeding 30 days — and adopt a direct payment model for high-cost treatments to avoid liquidity pressure on beneficiaries.

4. Premium funding for PRC-resident settlors should be routed through a BVI or Cayman trust holding Hong Kong-issued policies, not directly from PRC bank accounts, to comply with SAFE’s USD 50,000 annual limit on cross-border life insurance premium remittances.

5. A coordination-of-benefits clause naming the trust as payer of last resort is essential to preserve trust corpus for expenses not covered by primary insurance, and the trustee should maintain a direct claims coordination protocol with the family’s insurance broker.