MAGI is how Medicaid now measures your income to decide if you can get coverage

MAGI stands for Modified Adjusted Gross Income. It is the income number Medicaid uses to determine whether you meet the income limit for coverage. MAGI is not the same as your actual take-home pay — it includes some money you do not physically receive and excludes some money you do. Starting in 2014, nearly all Medicaid programs switched to using MAGI instead of the older income-counting rules, which means more people became covered and the rules became more consistent across states.

The shift to MAGI matters because it changed who gets in and who does not. Under the old rules, Medicaid subtracted a long list of deductions before comparing your income to the limit. Under MAGI, the deductions are much shorter. For some people this means they now may have access to when they would not have before; for others it means they no longer may have access to. Your state's Medicaid office uses MAGI to make that decision, and you need to understand what counts and what does not.

Key Takeaways

  • MAGI includes wages, self-employment income, Social Security, and most other money you receive, but excludes certain items like child support received and some tribal payments.
  • MAGI is calculated before you subtract medical expenses, childcare costs, or other deductions that mattered under the old Medicaid rules.
  • Your state's Medicaid office will ask for recent pay stubs, tax returns, or other income documents to calculate your MAGI when you report your income.
  • If your MAGI is below your state's income limit for your household size, you may be covered; if it is above, you are not covered under that category, though other pathways may exist.

What counts toward MAGI

MAGI starts with your Adjusted Gross Income (AGI) from your federal tax return, then adds back certain items that the IRS lets you deduct. The result is usually higher than your AGI. For most people, MAGI includes:

  • Wages and salaries from employment
  • Self-employment income
  • Social Security benefits
  • Unemployment benefits
  • Interest and dividend income
  • Rental income
  • Retirement account withdrawals (including 401(k) and IRA distributions)
  • Alimony received
  • Taxable scholarships and grants

The key point: if you received money and the IRS counts it as income on your tax return, Medicaid counts it toward MAGI. Your state's Medicaid office will ask for documentation — usually recent pay stubs, a tax return from the previous year, or a letter from Social Security — to verify these amounts.

What does not count toward MAGI

Some income is excluded from MAGI entirely. The most common exclusions are:

  • Child support received
  • Supplemental Security Income (SSI)
  • Veterans benefits
  • Certain Native American tribal payments
  • Workers' compensation
  • Certain foster care and adoption assistance payments
  • Noncitizen Emergency Medicaid (in some states)

If you receive SSI, for example, that money does not count toward your MAGI limit, even though you physically receive it. The same applies to Veterans benefits. This is one of the few places where Medicaid's rules are simpler than the old system — these categories are carved out entirely, not subject to deductions or adjustments.

How MAGI differs from the old income-counting rules

Before 2014, Medicaid used a system called "categorical" income counting. Each category of person — a child, a parent, a pregnant woman, an elderly person — had different rules about what counted and what deductions applied. A parent could deduct childcare costs, work expenses, and shelter costs before comparing income to the limit. A child could not. This made the rules complicated and different from state to state.

MAGI simplified this. Now, nearly everyone uses the same income calculation. You do not subtract childcare costs, medical expenses, or shelter costs from MAGI. You do not get a work expense deduction. The number is what it is. This means the process is faster and more predictable, but it also means some people who may have access to under the old rules no longer do, because their MAGI is higher than their state's limit even though their actual available money is lower.

A few categories still use the old rules: Supplemental Security Income (SSI) recipients in most states, and in some states, people over 65 or blind or disabled. Your state's Medicaid office can tell you which rules apply to you.

How your state uses MAGI to decide coverage

Your state sets an income limit for each household size. For example, a state might say that a single adult with MAGI up to 138% of the federal poverty level can get Medicaid. A family of three might have a limit of 138% of the poverty level for a family of three. The federal poverty level changes each year, so the dollar amount of the limit changes too.

When you report your income to Medicaid, the office calculates your MAGI and compares it to the limit for your household size. If your MAGI is at or below the limit, you meet the income requirement. If it is above, you do not — at least not under the MAGI-based category. Some states have other pathways: medically needy programs (where high medical bills can reduce your countable income), spend-down programs, or coverage for specific groups like pregnant women or children at higher income limits.

Your state's Medicaid office will tell you the exact limit and ask you to provide recent documents to prove your income. This usually means pay stubs from the last 30 days, a tax return from the previous year, or a benefits letter from Social Security or unemployment. If your income changes, you can report it and your coverage can change mid-year.

MAGI and household size

MAGI is compared to the limit for your household size, which Medicaid defines as the people you live with and claim as dependents on your tax return. This is important: if you live with someone but do not claim them as a dependent, they do not count toward your household size. If you claim a child as a dependent on your taxes but they live with someone else, they still count.

Medicaid uses the IRS definition of household, not your own sense of who lives with you. This means if you are married and file taxes jointly, your spouse counts. If you are unmarried and live with a partner, they do not count unless you claim them as a dependent (which is rare). If you have adult children living with you, they count only if you claim them on your taxes.

The reason this matters: a higher household size means a higher income limit. A family of four has a much higher limit than a single adult. If you are on the edge of the income limit, whether a dependent counts can make the difference between coverage and no coverage.

When MAGI does not apply

Most Medicaid coverage now uses MAGI, but not all. SSI recipients in most states are still evaluated under the old SSI income rules, not MAGI. Some states have kept the old rules for people over 65, blind, or disabled. Emergency Medicaid — coverage for emergency services only — may use different rules depending on your state and immigration status.

If you are applying for Medicaid in one of these categories, ask your state's Medicaid office which income rules apply to you. Do not assume MAGI is the standard; confirm it for your specific situation.

Frequently Asked Questions

Does MAGI include money I did not actually receive?

Yes. For example, if you have a 401(k) withdrawal, MAGI includes the full amount even if your employer withheld taxes. If you receive a scholarship that covers tuition, MAGI includes the part that is taxable. The rule is: if the IRS counts it on your tax return, Medicaid counts it in MAGI.

If I get SSI, does that count toward my MAGI limit?

No. SSI is excluded from MAGI entirely. If you receive SSI, your Medicaid income limit is based on SSI rules, not MAGI rules, in most states. This is one of the few situations where the old income-counting method still applies.

Can I reduce my MAGI by claiming more dependents?

No. MAGI is based on your actual income and household composition, not on how many dependents you claim. Medicaid uses the same household definition as the IRS, so if someone is your dependent for tax purposes, they count toward your household size — which raises your income limit, not lowers it.

What if my income changes after I report it to Medicaid?

Report the change to your state's Medicaid office. If your income goes down, you may become covered or your coverage category may change. If it goes up above the limit, your coverage may end. Most states allow you to report changes online, by phone, or by mail, and the change takes effect the month after you report it.

Is MAGI the same in every state?

The way MAGI is calculated is the same in every state — it is a federal definition. But each state sets its own income limit for coverage. One state might cover people up to 138% of poverty; another might cover up to 100%. Ask your state's Medicaid office what the limit is for your household size.