Illinois Infertility Coverage: 2026 Rules, IVF Limits, Job Protections

Illinois requires every group health insurance plan that covers pregnancy to also cover the diagnosis and treatment of infertility, including in vitro fertilization. As of January 1, 2026, that mandate applies regardless of employer size, and the definition of who qualifies as infertile is one of the broadest in the country. If you have a fully insured group plan in Illinois, your fertility care is protected coverage, not an optional add-on.¹

What Changed in 2026

The mandate lives in Section 356m of the Illinois Insurance Code. Before January 1, 2026, it only reached group policies covering more than 25 employees. That threshold is gone. Every group health insurance policy that provides pregnancy-related benefits now has to include infertility diagnosis and treatment, which pulled thousands of workers at smaller Illinois employers into coverage overnight.¹ The same rules apply to HMOs through the Illinois HMO Act.²

One category of plan is still outside the mandate, and it’s not a small one. Self-funded employer plans are exempt under federal ERISA preemption. More on that below, because it decides whether the rest of this article applies to you.

Who Qualifies as Infertile

The 2026 statute gives you three separate ways to establish infertility. You only need to meet one.¹

Failure to conceive after 12 months of regular, unprotected intercourse if you’re 35 or younger, or after 6 months if you’re over 35. A miscarriage does not restart the clock.
Inability to reproduce, as a single person or with a partner, without medical intervention. This path is what opens the mandate to same-sex couples and single people pursuing parenthood, because it doesn’t require a preceding period of heterosexual intercourse.
A licensed physician’s determination that you are infertile, based on medical history, sexual and reproductive history, age, physical findings, or diagnostic testing.

The physician-determination path matters more than it looks. If testing shows a clear cause of infertility such as blocked fallopian tubes, severe endometriosis, or low sperm count, your doctor can establish infertility on the spot. You don’t have to wait out six or twelve months of failed attempts before treatment begins.

Treatments Covered

The statute names specific procedures your insurer has to cover:

In vitro fertilization (IVF)
Gamete intrafallopian transfer (GIFT)
Zygote intrafallopian transfer (ZIFT)
Artificial insemination
Embryo transfer and uterine embryo lavage
Surgical sperm extraction, added in the 2026 version of the law³

Coverage also extends to preimplantation genetic testing and to treatments involving donor eggs or sperm. The statute specifically bars insurers from restricting coverage because a patient is using a third party in their fertility care.¹

There are guardrails. Covered treatments must be medically appropriate under clinical guidelines from the American Society for Reproductive Medicine, the American College of Obstetricians and Gynecologists, or the Society for Assisted Reproductive Technology. Procedures also have to be performed at facilities that are SART members in good standing.³ Treatments that fall outside those guidelines may not be covered.

Limits on IVF Cycles

The coverage is broad but not unlimited. For IVF, GIFT, and ZIFT, insurers must cover four completed oocyte retrievals. If a live birth results from one of those four retrievals, your insurer must cover two additional retrievals after that.¹ Embryo transfers from previously retrieved eggs sit outside this count, so a frozen embryo transfer doesn’t burn a retrieval.

Your insurer can also require you to try less costly, medically appropriate treatments first before authorizing IVF, provided those alternatives are covered under your plan.¹ In practice, that often means documenting attempted medicated cycles or intrauterine insemination, or documenting why those options aren’t appropriate, before IVF gets approved.

Cost-Sharing Must Match Other Medical Care

This is one of the strongest parts of the law and one of the easiest to miss on a bill. Your insurer cannot impose deductibles, copays, coinsurance, benefit maximums, or waiting periods on infertility care that differ from what it charges for other medical services.¹ If your plan has a $30 specialist copay, that’s what a reproductive endocrinologist visit should cost you. If your plan has a $2,000 deductible, fertility care runs against that same deductible, not a separate, higher one.

The same rule covers fertility medications. Your plan can’t treat them differently from other prescription drugs in exclusions, limitations, or cost-sharing.¹ Fertility drugs can run thousands of dollars per cycle, so if your plan places them on a higher tier than comparable specialty medications, that is worth challenging.

Fertility Preservation for Medical Treatments

Illinois requires coverage of standard fertility preservation services under the same non-discrimination cost-sharing rules.¹ A separate 2018 amendment specifically requires coverage of egg and sperm preservation for cancer patients whose chemotherapy or radiation may cause infertility.⁴ If you’re facing a diagnosis where treatment could damage your fertility, raise preservation with your oncologist early. The window before treatment starts is often narrow.

The Self-Insured Plan Exception

Before you rely on any of this, find out whether your employer’s plan is fully insured or self-funded. Under the federal Employee Retirement Income Security Act, states cannot enforce insurance mandates on self-funded employer health plans, so a self-insured employer in Illinois has no legal obligation to cover infertility treatment regardless of what state law says.⁵ Many large employers self-insure, so the gap is significant.

The distinction is simple. A fully insured plan is one where your employer buys a policy from an insurance company, and that insurer must follow Illinois law. A self-funded plan is one where your employer pays claims directly, often using an insurance company only to administer the plan. Your Summary Plan Description or benefits office can tell you which you have. Some self-insured employers voluntarily offer fertility benefits, but they set the terms.

If Your Claim Is Denied

A denial has to come with a written explanation that includes the specific clinical and policy reasons for the decision and the procedures for appealing.⁶ Read that letter carefully. The stated reason tells you how to structure the appeal.

There are typically two stages:

Internal appeal. You, your doctor, or an authorized representative file the appeal with your insurer, and the insurer must review it using different personnel than those who made the original denial.⁷
External independent review. If the internal appeal is denied, you can request review by an independent third party, and that reviewer’s decision is generally binding on the insurer.⁶

You can also file a complaint with the Illinois Department of Insurance, which investigates insurer non-compliance with state coverage mandates. Complaints go in through the department’s Consumer Health Care Complaint Form, online or by mail.⁸ That route is especially useful when the problem looks less like a one-time claims error and more like a pattern of ignoring the mandate.

Job Protections During Treatment

Fertility cycles run on medical timing, not work calendars. Two federal laws can help.

The Americans with Disabilities Act treats reproduction as a major life activity. If your infertility stems from a diagnosed medical condition that substantially limits reproduction, you may qualify for reasonable accommodations at work, most commonly modified schedules and leave for treatment appointments.⁹ Age-related fertility decline alone, without a diagnosed impairment, generally does not qualify.

The Family and Medical Leave Act may apply where treatment involves periods you cannot work or need recovery time. FMLA covers serious health conditions that make you unable to perform your job or require absence for medical treatment, and you need to have worked for a covered employer (50 or more employees) for at least 12 months.¹⁰ The leave is unpaid, but your job is protected while you’re out.

1
Illinois General Assembly. Illinois Compiled Statutes 215 ILCS 5/356m – Infertility Coverage
2
Cornell Law Institute. Illinois Administrative Code Title 50, Part 2015 – Infertility Coverage
3
FindLaw. Illinois Code 215 ILCS 5/356m – Infertility Coverage
4
Northwestern University Feinberg School of Medicine. Cancer Patients Guaranteed Oncofertility Treatment Coverage Under New Illinois Law
5
Office of the Law Revision Counsel. 29 U.S. Code 1144 – Other Laws
6
Illinois Attorney General. Appeals and Independent Reviews Under the Illinois Managed Care Reform and Patient Rights Act
7
HealthCare.gov. How to Appeal an Insurance Company Decision
8
Illinois Department of Insurance. How to File a Complaint
9
Job Accommodation Network. How Does the Americans with Disabilities Act (ADA) Apply to Employees Who Have Infertility?
10
U.S. Department of Labor. Fact Sheet 28F – Reasons That Workers May Take Leave Under the Family and Medical Leave Act