# Self-Funded: The Complete Guide to Colorado

<div class="article-callout">
  <div class="callout-left">
    <div class="callout-icon-wrap"><svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07A19.5 19.5 0 0 1 4.64 13 19.79 19.79 0 0 1 1.58 4.4A2 2 0 0 1 3.56 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81a2 2 0 0 1-.45 2.11L7.91 9.91a16 16 0 0 0 6.18 6.18l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z"/></svg></div>
    <p class="callout-text">Shopping group health for your team</p>
  </div>
  <a href="tel:+18774172421" class="callout-phone">(877) 417-2421</a>
</div>

A self-funded health insurance plan fundamentally changes an employer’s relationship with healthcare costs: rather than purchasing an insurance policy to cover employees, the employer becomes the insurer. You pay for employee healthcare claims directly out of your organization’s operational cash flow as they are incurred. The insurance carrier or third-party administrator simply acts as a processor, routing your money to providers based on the rules of a plan document that you design and control.

For large enterprise employers, this structure shifts healthcare from a fixed, escalating monthly expense into a manageable operating cost. When claims are low, your organization retains the unspent capital rather than padding an insurance carrier’s profit margins. However, with that financial opportunity comes direct claims risk. To responsibly self-fund, an organization must possess the scale to absorb claims volatility, the cash flow to handle month-to-month variance, and the strategic operational bandwidth to manage unbundled vendor relationships.

<div class="two-column-bulleted-facts-card">
<h3>Key Takeaways</h3>
<ul class="fact-list">
 <li><strong>Total Financial Control:</strong> Employers pay only for the healthcare actually consumed by their population. Unspent budgeted funds remain on the company balance sheet.</li>
 <li><strong>ERISA Preemption:</strong> Self-funded plans are governed by federal law, exempting them from Colorado Division of Insurance mandates and state premium taxes.</li>
 <li><strong>Stop-Loss Protection:</strong> Catastrophic risk is capped by purchasing specific and aggregate stop-loss insurance, protecting the employer from massive, unpredictable claims.</li>
 <li><strong>Data Ownership:</strong> Unlike fully insured contracts, self-funded employers own their raw, de-identified claims data, enabling targeted cost-containment strategies.</li>
 <li><strong>Scale Requirement:</strong> Traditional self-funding generally requires a critical mass of covered lives (typically 250+) for the law of large numbers to smooth out natural claims volatility.</li>
</ul>
</div>

## The Core Financial Architecture of Self-Funding

In a traditional, fully insured arrangement, an employer pays a fixed monthly premium to an insurance carrier. That premium includes the cost of anticipated claims, the carrier’s administrative fees, risk charges, profit margins, and state premium taxes. Whether your employees use a massive amount of healthcare or almost none at all, the premium is gone. The carrier absorbs the risk of high claims, but also reaps the reward of low claims.

Self-funding unbundles this architecture. Instead of paying a single, opaque premium to transfer risk, an enterprise employer disaggregates the components of a health plan and funds them individually. 

The financial structure of a self-funded plan consists of three primary buckets:

### 1. Fixed Costs (Administration and Protection)
Fixed costs in a self-funded plan typically represent only 15% to 25% of the total plan expense. These are the predictable, contracted monthly fees that the employer pays regardless of how much healthcare employees consume.
*   **Administrative Fees:** Paid to a Third-Party Administrator (TPA) or an Administrative Services Only (ASO) carrier (such as Cigna or Anthem Blue Cross and Blue Shield) to process claims, issue ID cards, maintain eligibility files, and provide customer service.
*   **Network Access Fees:** Paid for the right to utilize a specific Preferred Provider Organization (PPO) network and its negotiated provider discounts.
*   **Stop-Loss Premiums:** Paid to a stop-loss carrier to insure the plan against catastrophic, budget-breaking claims.
*   **Vendor Fees:** Flat monthly fees for pharmacy benefit management, disease management programs, telemedicine, and compliance software.

### 2. Variable Costs (Actual Claims)
Variable costs represent the vast majority of the plan's expense—typically 75% to 85%. This is the actual cost of the medical and pharmacy claims incurred by your employees. If an employee visits an in-network specialist, the TPA adjudicates the claim according to the network discount, and the employer funds that exact amount via a claims trust or direct corporate account. 

Because variable costs fluctuate, a self-funded employer's monthly cash outlay will not be identical every month. A month with several complex surgeries will require higher cash disbursement; a quiet month will require less.

### 3. IBNR Reserves (Incurred But Not Reported)
Healthcare billing is not instantaneous. An employee might receive care in November, but the provider might not bill the plan until January, and the TPA might not finalize adjudication until February. The claim was *incurred* during the active plan year, but will be *paid* later. 

Fiscally responsible self-funded employers must maintain an Incurred But Not Reported (IBNR) reserve on their balance sheet. This is a liability account, calculated by actuaries using historical lag data and completion factors, ensuring that the organization always holds enough capital to pay the "tail" of outstanding claims if the plan were to be terminated.

<div class="comparison-table-outer"><div class="comparison-table-scroll"><table class="comparison-table">
  <thead>
    <tr><th>Feature</th><th>Fully Insured Plan</th><th>Self-Funded Plan</th></tr>
  </thead>
  <tbody>
    <tr><td><strong>Risk Bearer</strong></td><td>The Insurance Carrier</td><td>The Employer</td></tr>
    <tr><td><strong>State Premium Tax</strong></td><td>Yes (Typically ~2% of total premium)</td><td>No (Exempt under ERISA)</td></tr>
    <tr><td><strong>Claims Data Transparency</strong></td><td>Opaque, aggregated reporting only</td><td>Transparent, row-level de-identified data</td></tr>
    <tr><td><strong>Plan Design Flexibility</strong></td><td>Rigid, must adhere to state mandates</td><td>Highly customizable, limited only by federal law</td></tr>
    <tr><td><strong>Cash Flow Volatility</strong></td><td>None (Predictable fixed monthly premium)</td><td>Variable (Fluctuates based on actual utilization)</td></tr>
  </tbody>
</table></div></div>

## ERISA Preemption and Colorado State Law

One of the most powerful structural advantages of self-funding is regulatory preemption. 

In the United States, health insurance regulation operates on a bifurcated system. Fully insured health plans are regulated by the state in which the policy is issued. In Colorado, this means fully insured policies must comply with every mandate passed by the state legislature and enforced by the Colorado Division of Insurance (DOI). These mandates require coverage for specific treatments, specific provider types, and specific diagnostic thresholds, regardless of whether a particular employer population actually needs or values them. 

Furthermore, fully insured premiums are subject to state premium taxes, which are baked into the cost the employer pays.

The Employee Retirement Income Security Act of 1974 (ERISA) is a sweeping federal law that governs employee benefit plans. Under the "deemer clause" of ERISA, a self-funded employee benefit plan cannot be deemed to be an insurance company. Therefore, **state insurance laws do not apply to self-funded plans.** 

For a Colorado enterprise, ERISA preemption provides two immediate, material benefits:

1.  **State Premium Tax Avoidance:** By not paying a fully insured premium, the employer completely avoids state premium taxes, instantly stripping a percentage point or two of pure friction cost off the top of their healthcare spend.
2.  **Mandate Exemption:** The employer is not forced to include Colorado-specific coverage mandates in their plan design. While most employers choose to offer comprehensive, high-quality benefits to remain competitive, ERISA gives the employer the authority to define exactly what is and is not covered inside the Summary Plan Description (SPD). The plan document itself—drafted by the employer and their legal counsel—becomes the governing law of the plan.

It is critical to note that while ERISA preempts state law, self-funded plans must still strictly comply with federal regulations. The Affordable Care Act (ACA), the Health Insurance Portability and Accountability Act (HIPAA), the Consolidated Omnibus Budget Reconciliation Act (COBRA), and the Mental Health Parity and Addiction Equity Act (MHPAEA) all apply with full force to self-funded employer plans.

## Stop-Loss Insurance: Protecting the Enterprise

No prudent enterprise self-funds without a safety net. The financial exposure of modern healthcare—where a complex NICU stay or a specialty oncology drug can easily exceed $1 million—is too severe to bear entirely unhedged. Stop-loss insurance is the mechanism that caps the employer's risk. 

Unlike medical insurance, which covers individuals, stop-loss is a commercial reinsurance contract that protects the employer's balance sheet. It operates on two distinct levels: specific and aggregate.

### Specific Stop-Loss (Individual Risk)
Specific stop-loss protects the employer against catastrophic claims incurred by a single individual within the plan. The employer selects an "attachment point" (a deductible) per member. Common specific attachment points for enterprise groups range from $100,000 to $500,000. 

If an employee undergoes a major organ transplant and their claims total $800,000 for the year, and the employer selected a $200,000 specific attachment point, the employer pays the first $200,000. The stop-loss carrier reimburses the employer for the remaining $600,000. This caps the employer’s maximum liability for any one person.

### Aggregate Stop-Loss (Population Risk)
While specific stop-loss protects against the severity of individual claims, aggregate stop-loss protects against the frequency of overall claims. It answers the question: *What if no one member has a catastrophic claim, but overall utilization across the entire workforce spikes unexpectedly?*

Actuaries calculate the "expected claims" for the employer’s population for the upcoming year. The aggregate attachment point is typically set at 125% of those expected claims. If an unusually high number of routine surgeries, ER visits, and prescription fills drive the total population spend past that 125% threshold, the aggregate stop-loss policy reimburses the employer for the excess. 

### Stop-Loss Contract Types and Timelines
Because healthcare claims have a lag between when a service is incurred and when it is paid, stop-loss contracts are defined by strict time parameters. The nomenclature denotes two numbers (e.g., 12/12, 12/15, 24/12). 
*   **The First Number:** The number of months during which a claim must be *incurred*.
*   **The Second Number:** The number of months during which a claim must be *paid*.

A **12/12 contract** only covers claims that are both incurred and paid within the exact 12-month plan year. This is extremely restrictive; a surgery in late December will almost certainly not be paid until January, meaning a 12/12 contract would not cover it.

A **12/15 contract** covers claims incurred during the 12-month plan year, provided they are paid within those 12 months plus a 3-month run-out period (15 months total). This is a standard, highly common structure for a newly self-funded employer.

A **24/12 contract** is common for renewing groups. It covers claims incurred over the prior 24 months, as long as they are paid in the current 12-month policy period. This seamlessly covers the "tail" of claims from the previous plan year.

### Lasering: The Reality of High-Risk Underwriting
When an employer applies for stop-loss coverage, the carrier's underwriters review the medical history and claims data of the population. If the underwriters identify a specific individual with a known, ongoing catastrophic condition (e.g., a member currently undergoing active leukemia treatment or a member with severe hemophilia), the carrier may issue a "laser."

A laser is a separate, much higher specific deductible assigned strictly to that one high-risk individual. For example, the overall plan might have a $150,000 specific attachment point, but the lasered individual is assigned a $750,000 attachment point. This forces the employer to bear the known, predictable risk for that individual, preventing the stop-loss carrier from simply trading expected dollars with the employer. Navigating lasers requires sophisticated actuarial guidance and strategic budgeting by the employer's benefits consultant.

## Third-Party Administrators (TPAs) and ASO Contracts

Because the employer is the insurer, the employer needs a machine to actually process the claims, build the ID cards, and handle member phone calls. This is the role of the Third-Party Administrator. An enterprise has two main structural choices for administration: an ASO contract with a major carrier, or an independent TPA.

### Administrative Services Only (ASO)
Many of the largest traditional insurance carriers (such as Cigna or Anthem) offer ASO arrangements. Under an ASO contract, the employer effectively rents the carrier’s infrastructure. The carrier uses its proprietary provider network, its internal claims processing engines, and its standard pharmacy benefit management integration. 

To the employee, an ASO plan looks identical to a fully insured plan. The logo on the ID card is the same, and the provider network is the same. The difference is purely on the back end: when the carrier processes the claim, they draw the funds from the employer's bank account rather than paying it out of their own reserves. 

ASO arrangements offer seamless, national network access and frictionless administration, but they often restrict the employer's ability to implement aggressive, custom cost-containment vendors.

### Independent TPAs and Network Unbundling
Alternatively, an employer can hire an independent, boutique TPA. The TPA handles the adjudication and customer service, but the employer must separately source a provider network for the TPA to use. 

In Colorado, an employer might utilize an independent TPA and contract with a regional network (such as the provider footprints maintained by organizations like Rocky Mountain Health Plans) or a national wrap network (like PHCS or MultiPlan). 

The distinct advantage of an independent TPA is flexibility. A true independent TPA allows an employer to "plug and play" disparate vendors. If the employer wants to carve out pharmacy to a specialized, transparent PBM, integrate a unique orthopedic direct-contracting program, or implement highly specific medical management protocols, an independent TPA will happily adjudicate claims according to those custom rules. A major ASO carrier is often too rigid to allow that level of customization.

## Pharmacy Benefit Managers (PBMs): The Critical Cost Lever

Prescription drugs, particularly specialty medications (biologics, injectables, complex therapies), represent the fastest-growing segment of enterprise healthcare spend, often accounting for 25% to 30% of total plan costs. Managing this requires a deep understanding of Pharmacy Benefit Managers.

A PBM adjudicates prescription claims, negotiates discounts with pharmacies, and negotiates rebates with pharmaceutical manufacturers. In a self-funded environment, the contractual arrangement with the PBM determines how much of the employer's money is lost to friction and hidden margins.

### Traditional Spread Pricing
In a traditional "spread pricing" contract, the PBM reimburses the pharmacy one price for a dispensed drug, but bills the self-funded employer a significantly higher price. The PBM pockets the difference (the spread) as revenue. Furthermore, in traditional arrangements, the PBM often retains a large portion of the rebates paid by pharmaceutical manufacturers, rather than passing those savings back to the plan sponsor. This model lacks transparency and heavily favors the PBM.

### Pass-Through (Transparent) Pricing
Sophisticated enterprise employers often mandate "pass-through" or transparent PBM contracts. In this model, the PBM bills the employer the exact same amount it reimburses the pharmacy, down to the penny. Furthermore, 100% of all manufacturer rebates are passed straight back to the employer's plan to offset costs. 

How does the PBM make money in a pass-through model? The employer pays the PBM a flat, explicit administrative fee per claim or per member per month (PEPM). The pass-through model aligns the incentives: the PBM is paid for its administrative execution, not for manipulating the spread between the pharmacy and the plan sponsor.

Carving out pharmacy benefits from a major medical ASO contract to a specialized, transparent PBM is one of the most effective immediate cost-containment strategies available to a newly self-funded enterprise.

## Implementing Advanced Cost-Containment Strategies

The true power of self-funding is not just holding the money—it is the freedom to change how healthcare is purchased. Because the employer controls the plan document, they can implement sophisticated strategies that fully insured carriers generally will not facilitate.

### Centers of Excellence (COEs)
For high-cost, high-variance procedures like joint replacements, spinal fusions, or bariatric surgeries, a self-funded employer can establish a Center of Excellence program. The employer contracts directly with a top-tier facility known for exceptional outcomes and zero complication rates. The plan document is amended to state that if an employee utilizes the COE for their surgery, the plan covers the procedure at 100% (no deductible, no coinsurance), and the plan may even cover the employee's travel costs to the facility. 

By steering members to high-quality providers, the employer avoids the massive downstream costs of surgical complications, readmissions, and prolonged physical therapy, resulting in a net financial win for the plan and a superior clinical outcome for the member.

### Direct Primary Care (DPC) and Near-Site Clinics
Enterprise employers can contract directly with Direct Primary Care practices or build near-site wellness clinics for their employees. The employer pays the DPC provider a flat monthly membership fee per employee. In return, employees get unlimited, unhurried access to primary and preventive care with no copays. By removing the financial barrier to primary care, employers catch chronic conditions early, drastically reducing catastrophic downstream claims in the hospital setting.

### Reference-Based Pricing (RBP)
For organizations with high risk tolerance and a strong desire to eliminate hospital overbilling, Reference-Based Pricing replaces the traditional PPO network entirely. Instead of paying a provider whatever arbitrary discount the PPO negotiated off a hyper-inflated charge master, an RBP plan dictates exactly what it will pay for a service based on an objective benchmark—almost always Medicare.

Under an RBP model, the plan document might state that it will reimburse all facility claims at 140% of the Medicare reimbursement rate. This guarantees the employer is paying a fair, objective price for care. However, because there is no PPO network contract, providers are not contractually obligated to accept the RBP payment as payment in full. This introduces the risk of "balance billing," where the hospital attempts to bill the employee for the remainder of the charge. Successfully operating an RBP plan requires a TPA with a highly aggressive legal advocacy team to defend employees against balance billing attempts.

## Data Ownership and Plan Analytics

A fully insured employer receives, at best, aggregated, highly sanitized renewal reports that summarize high-level claims utilization. They are told costs went up, but are rarely given the granular data to understand exactly why.

A self-funded employer owns its data. Every claim, every diagnosis code, every pharmacy fill (de-identified to comply fully with HIPAA) belongs to the plan sponsor. This data is the lifeblood of strategic benefit management. 

By feeding this raw data into an analytics data warehouse, the employer and their benefits consultant can perform predictive modeling. If the data reveals a massive spike in musculoskeletal (MSK) claims driven by inappropriate MRI utilization and rapid progression to surgery, the employer can proactively implement a digital physical therapy solution or a mandatory second-opinion program for spinal surgery. The plan is actively managed based on empirical, real-time intelligence rather than retrospective guesswork.

## Compliance, Fiduciary Duty, and Reporting

Stepping out of the fully insured market means stepping into the role of an ERISA fiduciary. The employer, acting as the Plan Sponsor, holds the ultimate legal responsibility to operate the plan solely in the interest of the participants and beneficiaries. 

The compliance burden of self-funding requires rigorous administrative discipline, often supported by specialized ERISA counsel and highly competent benefits consultants.

### The Summary Plan Description (SPD)
The SPD is the master plan document. It legally dictates exactly who is eligible, what treatments are covered, what treatments are excluded, and the precise mechanics of the appeals process. If a dispute arises over coverage for an experimental treatment, the language in the SPD dictates the outcome. Maintaining and updating the SPD to reflect changing federal regulations and desired plan design changes is a continuous fiduciary duty.

### ACA Reporting and PCORI Fees
Self-funded employers face specific federal reporting requirements:
*   **1094-C and 1095-C Reporting:** Applicable Large Employers (ALEs) must report detailed information to the IRS and to employees proving that the coverage offered meets the ACA’s minimum value and affordability standards.
*   **PCORI Fees:** Self-funded plans must calculate and pay the Patient-Centered Outcomes Research Institute (PCORI) fee annually directly to the IRS via Form 720. (In fully insured plans, the carrier handles this).

### Form 5500 Filing
Plans with 100 or more participants must file an annual Form 5500 with the Department of Labor. For self-funded plans, this includes detailing the financials of the plan, the stop-loss contracts in place, and the compensation paid to brokers and consultants (governed heavily by recent Consolidated Appropriations Act transparency rules).

### Nondiscrimination Testing (Section 105(h))
The Internal Revenue Code dictates that self-funded health plans cannot disproportionately favor highly compensated employees (HCEs) in terms of eligibility or benefits. The plan must pass strict numerical tests annually. If the plan fails, the value of the health benefits provided to the executives becomes taxable income to them.

### HIPAA Privacy and Security
As a self-funded plan sponsor, the employer entity itself becomes a "Covered Entity" under HIPAA. The organization must establish strict firewalls between the human resources personnel who handle Protected Health Information (PHI) for plan administration purposes and the executives who make employment decisions. You cannot use claims data to inform hiring, firing, or promotion.

## Is Your Organization Ready to Self-Fund? (Decision Map)

Moving from a fully insured to a self-funded architecture is not merely a financial transaction; it is a structural operating shift. Evaluate your organization against these criteria:

**1. The Scale of the Population**
While there is no legal minimum, the mathematics of risk dictate that traditional self-funding is most stable for organizations with 250 or more employees. Below this threshold, a single catastrophic claim creates too much volatility per capita, even with stop-loss in place. 

**2. Tolerance for Cash Flow Volatility**
A fully insured premium is flat. Self-funded cash flow resembles a jagged line. In January, claims might be remarkably low as deductibles reset. In November, as deductibles are met and employees rush to schedule elective surgeries, cash requirements will spike. The organization's finance department must have the liquidity and the temperament to manage this variance without panic.

**3. HR and Administrative Bandwidth**
Your HR team will no longer just hand an employee an insurance carrier’s 1-800 number and walk away. While the TPA handles the heavy lifting, the HR department must actively manage vendor relationships, review stop-loss renewals, participate in complex claim appeals, and drive employee education regarding new cost-containment programs.

**4. A Strategic Approach to Benefits**
Self-funding is for employers who view healthcare as a strategic supply-chain management challenge, not a transactional administrative nuisance. If the C-suite simply wants to "pay the bill and forget about it," fully insured remains the correct model.

## Alternatives for the Mid-Market

If your organization desires the transparency and data of self-funding, but lacks the size (e.g., 50 to 200 employees) or risk tolerance for a traditional unbundled setup, there are intermediate structures:

*   **Level-Funded Plans:** An introductory step toward self-funding. The employer pays a fixed monthly amount that covers admin, stop-loss, and a pre-funded claims escrow. If claims are high, stop-loss covers the overage and the employer owes no more. If claims are low, the employer receives a refund. It offers self-funded economics with fully insured cash flow predictability.
*   **Group Self-Insurance Captives:** Mid-sized employers band together to share a layer of risk. Each employer self-funds their predictable, low-dollar claims, but pools their risk for mid-tier claims with other captive members before transferring catastrophic risk to a commercial stop-loss carrier. This creates the "law of large numbers" that a single mid-sized employer lacks on its own.

## The Transition Timeline

Converting an enterprise from fully insured to self-funded is a deliberate process requiring a minimum of 4 to 6 months of lead time prior to the effective date.

**Months 1-2: Feasibility and Marketing.** Actuaries analyze claims data to project costs. The benefits consultant markets the stop-loss coverage to secure firm attachment points and identifies potential TPAs or ASO carriers.
**Month 3: Vendor Selection and Network Matching.** The employer selects the TPA and PBM. Critical network disruption analysis is performed to ensure employees' current doctors are in the selected TPA's wrap network.
**Month 4: Plan Document Drafting.** ERISA counsel drafts the Summary Plan Description (SPD). Stop-loss contracts are finalized and executed.
**Month 5: Open Enrollment and Education.** The shift requires robust employee education, especially if the organization is moving to an independent TPA or implementing a transparent PBM that alters the formulary.
**Month 6: Go-Live and Run-Out Management.** The new plan goes live. Concurrently, the employer must ensure the prior fully insured carrier continues to process the "run-out" claims incurred prior to the termination date.

Self-funding fundamentally aligns the employer’s financial incentives with the health of the employee population. It removes the structural bloat of the fully insured marketplace and replaces it with accountable, precise financial mechanics. For the enterprise that possesses the scale, the financial discipline, and the strategic vision, it is the definitive method for long-term healthcare cost control.

<div class="cta-box">
  <h3>Get a Custom Quote for Enterprise Groups</h3>
  <p>Speak with a licensed benefits consultant to model stop-loss scenarios and evaluate self-funding feasibility for your organization.</p>
  <a href="#" onclick="openLeadModal();return false;">Get a Free Consultation</a>
</div>

<div class="related-resources"><p>Related resources:</p>
<a href="/group-plans/">Group Plans in Colorado: The Complete Guide</a>
<a href="/fully-insured/">Fully Insured: The Complete Guide to Colorado</a>
<a href="/group-captives/">Group Self-Insurance Captives: The Complete Guide to Colorado</a>
<a href="/ahp/">AHPs (Association Health Plans): The Complete Guide to Colorado</a>
<a href="/carriers/cigna/">Cigna Health Insurance in Colorado</a>
<a href="/denver/">Health Insurance in Denver, CO</a>
</div>

Frequently Asked Questions