AHCCCS is Arizona's name for its Medicaid program, not a separate system
AHCCCS (Arizona Health Care Cost Containment System) is how Arizona administers Medicaid. It is not Medicare, and it is not a different program running alongside Medicaid — it is Medicaid, branded and operated under Arizona's state name. When you hear someone in Arizona say they are on AHCCCS, they mean they are enrolled in that state's Medicaid.
The federal government sets the rules for Medicaid, but each state runs its own program and chooses its own name and structure. Arizona chose AHCCCS. New York calls theirs Medicaid. California calls theirs Medi-Cal. The coverage, may be able to access rules, and benefits differ by state, but they are all Medicaid programs funded by federal and state money.
AHCCCS and Medicare are completely different. Medicare is a federal program for people 65 and older, or younger people with certain disabilities or end-stage renal disease. You pay into Medicare through payroll taxes during your working years. AHCCCS is for people with low income, regardless of age. You do not pay into it; you are covered based on your income and household size.
Key Takeaways
- AHCCCS is Arizona's Medicaid program — the state's name for the same federal Medicaid system that operates in every other state.
- Medicare and AHCCCS are separate programs: Medicare is for people 65 and older or with certain disabilities, while AHCCCS covers low-income Arizonans of any age.
- You can be enrolled in both AHCCCS and Medicare at the same time if you meet the requirements for each.
- AHCCCS covers doctor visits, hospital care, prescription drugs, and other services; the exact coverage depends on which AHCCCS plan you are in.
- To enroll in AHCCCS, you apply through the Arizona Department of Economic Security, not through a separate Arizona-only system.
How AHCCCS works as Arizona's Medicaid
AHCCCS operates under federal Medicaid rules but with Arizona-specific income limits and covered services. Arizona expanded Medicaid in 2014, which means more low-income adults became covered. The income threshold for a single adult in Arizona is higher than in states that did not expand, though it still varies by category (children, pregnant people, parents, disabled adults, and non-parent adults each have different limits).
When you enroll in AHCCCS, you choose a managed care plan — a health insurance company that Arizona contracts with to deliver Medicaid services. Your plan covers doctor visits, hospital stays, emergency care, prescription medications, mental health services, and other benefits. Some services require prior approval from your plan before you use them. The specific benefits and rules depend on which AHCCCS plan you join.
AHCCCS is run by the Arizona Department of Economic Security (DES). You apply through DES, not through a federal office. DES determines whether you meet Arizona's income and citizenship rules, then assigns you to a plan or lets you choose one. If your circumstances change — your income goes up, you move, or you turn 65 — you must report it to DES, because it affects whether you stay in AHCCCS.
The difference between AHCCCS and Medicare
Medicare is a federal program you become part of automatically when you turn 65, or earlier if you have been receiving Social Security Disability Insurance (SSDI) for two years or have end-stage renal disease. You pay for Medicare through payroll taxes during your working life. It covers hospital care, doctor visits, and prescription drugs, but it has deductibles and copays you must pay out of pocket.
AHCCCS is for people with low income. There is no age requirement — children, working-age adults, and seniors can all be in AHCCCS if their income is low enough. You do not pay into AHCCCS through taxes; you are covered based on need. AHCCCS has no deductibles in most cases, and copays are very low or zero.
Some people are in both programs at the same time. If you are 65 or older and your income is low, you can be enrolled in Medicare and AHCCCS simultaneously. AHCCCS then acts as a "wraparound" — it covers costs Medicare does not pay, like copays and deductibles. This is called being "dual may be able to access."
When you might be in both AHCCCS and Medicare
You can be enrolled in AHCCCS and Medicare at the same time if you meet the requirements for both. This happens most often when someone turns 65 while already in AHCCCS, or when someone on Medicare has income low enough to may have access to for AHCCCS.
If you are dual may be able to access, Medicare is your primary insurance — it pays first. AHCCCS pays second, covering some of the costs Medicare does not cover. This means your out-of-pocket costs are usually lower than if you were in Medicare alone. AHCCCS also covers some services Medicare does not, like dental and vision care in some cases.
To be in both programs, you must meet Medicare's requirements (age 65 or older, or on SSDI for two years) and AHCCCS's income limits. You do not have to choose one or the other. If you think you might may have access to for both, contact DES to ask about your situation.
How to enroll in AHCCCS
You apply for AHCCCS through the Arizona Department of Economic Security. You can apply online at azdes.gov, by phone at 1-855-432-7587, by mail, or in person at a DES office. The application asks about your income, household size, citizenship status, and other information DES uses to determine whether you meet Arizona's rules.
You will need to provide proof of income (pay stubs, tax returns, or a letter from your employer), proof of identity, and proof of Arizona residency. If you are applying for a child, you may need to provide proof of the child's relationship to you. DES will tell you what documents to send.
After you apply, DES has 45 days to make a decision. If you are approved, you will be assigned to an AHCCCS managed care plan or given a choice of plans. Your coverage usually starts on the first day of the month after DES approves you. If you are denied, DES will tell you why and explain how to request a hearing to appeal the decision.
What AHCCCS covers
AHCCCS covers a broad range of health services. All AHCCCS plans must cover doctor visits, hospital care, emergency services, prescription drugs, mental health and substance use treatment, and preventive care like vaccinations and screenings. Most plans also cover dental care, vision care, and physical therapy, though the details vary by plan.
Some services require prior approval from your AHCCCS plan before you use them. For example, if your doctor wants to refer you to a specialist or order an imaging test, your plan may need to approve it first. Your plan will tell you which services need approval and how to request it. If your plan denies a service you think you need, you can request an appeal.
Copays in AHCCCS are very low or zero for most services. You typically pay nothing for preventive care, doctor visits, and emergency services. You may pay a small copay for prescription drugs or specialist visits, but the amount is set by Arizona and is much lower than in commercial insurance.
Frequently Asked Questions
Can I have AHCCCS and Medicare at the same time?
Yes. If you are 65 or older or have been on SSDI for two years, you are in Medicare. If your income is also low enough, you can be in AHCCCS at the same time. AHCCCS will cover costs Medicare does not pay, like copays and deductibles.
Is AHCCCS free?
AHCCCS has no monthly premium for most people. You do not pay to be enrolled. You may pay small copays when you use services, but many services have no copay at all. Copays are set by Arizona and are much lower than in other insurance.
What happens to my AHCCCS if I move out of Arizona?
Your AHCCCS coverage ends when you move out of Arizona, because AHCCCS is only for Arizona residents. You will need to apply for Medicaid in your new state. Each state has its own program with different names, income limits, and covered services.
Do I need to report changes to my income while I am in AHCCCS?
Yes. If your income changes, your household size changes, or your address changes, you must report it to DES within 10 days. If your income goes above Arizona's limit, you will be removed from AHCCCS. If it goes down, you may stay in the program.
What is the difference between AHCCCS and private insurance?
AHCCCS is government-funded insurance for low-income people. Private insurance is sold by companies and usually requires a monthly premium. AHCCCS has lower or no copays, covers more services, and does not deny coverage based on pre-existing conditions. Private insurance often has higher deductibles and copays but may offer more choice of doctors.