---
title: "Big Health Costs Your Insurance Probably Won't Cover, and How to Plan for Them"
description: "Even with good health insurance, some of the priciest medical needs — major dental work, hearing aids, LASIK, fertility treatment — are often barely covered or excluded entirely. Here's why, the rough costs to expect, and the no-gimmick ways to plan ahead."
category: "Personal Finance"
category_url: https://boursel.com/category/personal-finance
author: "Hannah Blackwood"
published: 2026-06-29T20:44:20.000Z
updated: 2026-06-29T20:44:20.000Z
canonical: https://boursel.com/article/big-health-costs-your-insurance-probably-won-t-cover-and-how-to-plan-for-them
tags: ["health-insurance", "out-of-pocket", "hsa", "dental", "personal-finance"]
---
# Big Health Costs Your Insurance Probably Won't Cover, and How to Plan for Them

Even with good health insurance, some of the priciest medical needs — major dental work, hearing aids, LASIK, fertility treatment — are often barely covered or excluded entirely. Here's why, the rough costs to expect, and the no-gimmick ways to plan ahead.

Health insurance is not the same as health *coverage*. Even well-insured households can be blindsided by big medical bills, because some of the most expensive needs sit **outside** what a standard health plan pays for. Knowing which ones — and planning ahead — is the difference between a budgeting item and a financial shock. (Coverage varies by plan, so always check your own policy; the figures below are typical ranges, not quotes.)

## Four big costs insurance often skips

**Major dental work.** Health insurance and **dental** insurance are usually separate products — and dental plans typically **cap benefits around $1,000–$1,500 a year**, [as consumer guides note](https://www.goodrx.com/insurance/fsa-hsa/is-lasik-covered-by-insurance). Against that, a single **implant** can run several thousand dollars (often **$3,000–$6,000** with the crown), and full-mouth work can exceed **$20,000**. The cap means much of a big job comes out of pocket.

**Hearing aids.** Often **not covered** by traditional Medicare or many private plans, and they're not cheap — commonly **$4,000–$6,000 a pair**. (Lower-cost over-the-counter devices exist, roughly $500–$1,500, with less customization.)

**LASIK and elective vision.** Routine vision plans cover exams and basic glasses, but **LASIK** is classed as **elective** and is **rarely covered** — typically **$2,000–$5,000 per eye**, [per GoodRx](https://www.goodrx.com/insurance/fsa-hsa/is-lasik-covered-by-insurance).

**Fertility treatment (IVF).** Frequently excluded or only partly covered. A single **IVF cycle** averages around **$20,000-plus** before medications, and many patients need more than one. State mandates are expanding, but they generally **don't apply to "self-funded" employer plans** (how a large share of US workers are covered), leaving many to pay themselves.

## Why insurance leaves these out

The common thread: insurers treat these as **separate categories** (dental, vision), **elective/cosmetic** (LASIK), or **not standard medical care** (much fertility treatment). That classification — not the size of the need — is what determines coverage, which is why a medically meaningful procedure can still get little or no help.

## How to plan and pay — without gimmicks

There's no magic product here, just sound mechanics:

- **Use tax-advantaged accounts.** An **HSA (Health Savings Account)** or **FSA (Flexible Spending Account)** lets you pay with **pre-tax dollars**, an instant discount equal to your tax rate. Both can cover dental, vision, hearing aids and fertility costs, [per IRS rules](https://www.irs.gov/publications/p969). **HSAs** (available with high-deductible plans) **roll over** year to year and have higher limits — for 2026, on the order of **$4,400** for individual coverage; **FSAs** are smaller and mostly **use-it-or-lose-it**. An HSA is one of the most tax-efficient accounts in the code: contributions, growth and qualified withdrawals can all be tax-free.
- **Save ahead in a dedicated fund.** For a planned procedure (implants, IVF, LASIK), set money aside **6–12 months** in advance rather than financing it after the fact.
- **Ask about cash prices and payment plans.** Many providers offer a **discount for paying cash** or an in-house, interest-free **payment plan** — ask before you book.
- **Get an itemized bill and negotiate.** Errors are common, and a meaningful share of people who **challenge a bill** get it reduced. Hospitals must now post prices, so you can compare.
- **Check "medical necessity."** Coverage can change if a procedure is deemed medically necessary (for example, certain vision or dental work tied to an injury or condition) — worth asking your plan.

## Key terms, plainly

- **Deductible:** what you pay before insurance starts paying.
- **Out-of-pocket maximum:** the yearly ceiling on your in-network costs; past it, the plan covers 100%.
- **Exclusion:** a service your plan flatly doesn't cover.
- **HSA/FSA:** pre-tax accounts for eligible medical expenses.

## The bottom line

The expensive surprises in US health care are often the **predictable** ones — the categories insurance was never going to cover well. The fix isn't a financing product; it's **knowing the gaps, checking your specific policy, and pre-funding** with tax-advantaged dollars where you can. For households, treating these costs as a planned line item — not an emergency — is what keeps a $20,000 dental job or an IVF cycle from turning into long-term debt.

## Sources

- [Publication 969: Health Savings Accounts and other tax-favored health plans](https://www.irs.gov/publications/p969)
- [Is LASIK covered by insurance?](https://www.goodrx.com/insurance/fsa-hsa/is-lasik-covered-by-insurance)

