Quick answer: Function Health is available in most US states, with service delivered through LabCorp and Quest Diagnostics draw sites nationwide. A small number of states restrict or complicate direct-to-consumer lab orders due to state-level regulations, most notably New York, New Jersey, and Rhode Island, where Function has historically had limited or no availability. International users in Canada, Australia, and elsewhere cannot use Function Health at all, as the platform is US-only and requires a US address, US-based physician network, and a US-based lab draw. If you are outside those covered states or outside the US, there are solid alternatives worth knowing.
Which States Does Function Health Currently Cover?
Function Health is operationally available in the vast majority of US states, roughly 47 to 48 depending on the current regulatory calendar. Because Function uses LabCorp and Quest draw sites, the physical draw location infrastructure exists everywhere. The real constraint is not lab geography, it is state law on who can order a lab test without a physician cosign on your end.
States with no meaningful restriction for direct-to-consumer labs include most of the South, Midwest, Mountain West, Pacific states, and New England outside of the Northeast cluster mentioned below. If you live in Texas, California, Florida, Illinois, Colorado, Georgia, Washington, Arizona, or any of roughly 40 other states, you can sign up and have your draw scheduled within a week at a LabCorp or Quest location typically within a few miles.
For a definitive up-to-date check, the fastest move is to enter your zip code during the Function Health sign-up flow. The system will tell you immediately whether your state is supported. The list shifts as Function negotiates new physician partnerships in restricted states, so a state that blocked you six months ago may work today. See the broader function health review for context on how the platform operates end to end.
What States Block or Restrict Function Health?
New York, New Jersey, and Rhode Island have historically been the three states where Function Health either could not operate or operated with heavy friction. These states require that a physician licensed in that state order your labs, which collides with Function’s model of using its own physician network to issue standing orders on your behalf.
New York is the most restrictive. The state’s clinical laboratory law (Public Health Law Section 579) prohibits direct-to-consumer lab orders from out-of-state practitioners. That means even though a LabCorp draw site sits in Manhattan, Function Health cannot legally send a test requisition on your behalf unless it has a licensed NY physician embedded in its network. Function has been working toward NY availability but as of mid-2026 it remains limited or unavailable for most users there.
New Jersey has similar but somewhat less stringent rules, and Rhode Island imposes its own physician-order requirements. Massachusetts was previously a gray area but has generally been navigable for Function users in recent cycles.
Maryland occasionally surfaces as a complication because of specific rules around certain test categories (testosterone, certain hormones), but most Function tests run without issue for Maryland residents.
| Category | States | What this means for you |
|---|---|---|
| Fully supported | ~45 states including CA, TX, FL, CO, IL, WA, AZ, GA, OH, NC and most others | Sign up, schedule draw, done |
| Restricted or unavailable | New York, New Jersey, Rhode Island | May be blocked at checkout or require workaround; check current status in sign-up flow |
| Historically gray area | Maryland (select tests) | Most tests work; a few hormone panels may be restricted |
Why Do Some States Restrict Direct-to-Consumer Lab Orders?
The reason some states block platforms like Function Health comes down to a legal distinction: who is the ordering physician. In most of the US, direct-to-consumer lab companies solve this by having a licensed physician in their network review your health questionnaire and issue the lab order on your behalf, a model that satisfies the federal CLIA requirement that a lab work off a physician order.
New York, New Jersey, and Rhode Island go further. They require the ordering physician to be licensed in that state and, in NY’s case, impose strict limits on labs accepting out-of-state orders. This is a legacy patient-protection framework built when labs were purely clinical tools, not wellness products. Whether that framework serves consumers well in 2026 is debatable, but it is the law Function has to navigate.
The practical consequence: even though your blood is drawn at a LabCorp in Newark, Function’s Arizona or Texas-licensed physician cannot legally initiate that order under New Jersey law. Function’s options are to bring on NJ-licensed physicians, partner with a NJ-based medical group, or lobby for regulatory change. All three take time and money.
This is also why you see different availability between Function Health and some competitors. A company that operates as a test-kit model (finger-prick, at-home collection) navigates these rules differently than a venipuncture panel that processes through CLIA labs. Function requires the full blood draw infrastructure, which makes the state-licensing issue harder to sidestep.
Is Function Health Available in Canada?
No. Function Health is not available in Canada. The platform requires a US mailing address, a US phone number, and most critically, access to US-based LabCorp or Quest Diagnostics draw sites. Canadian residents cannot use it, and there is no waitlist or beta for Canadian availability as of mid-2026.
This is not a billing technicality you can work around. The lab requisition process, physician licensing, and CLIA regulatory framework are all US-specific. A Canadian address will fail at sign-up, and even if someone used a US forwarding address, they would still need to physically travel to a US draw site, which is legal but impractical as a routine membership.
Canadians looking for a comprehensive baseline panel have a different landscape to work with. Provincial health systems cover many basic labs (CBC, lipid panel, thyroid, fasting glucose) if a GP orders them. For broader panels, private labs like Lifelabs and Dynacare offer direct-pay add-ons, though the selection is narrower than Function’s 100+ marker list. Some Canadians in border cities drive to US labs and use services like Ulta Lab Tests or Walk-In Lab, which do not require membership and charge per test, though the physician-interpretation layer Function provides is absent.
Is Function Health Available in Australia?
No. Function Health does not operate in Australia, the UK, or any country outside the United States. The same structural barriers apply: US-only lab network, US physician licensing, and a regulatory model built around American clinical lab law.
Australians have some options through Medicare bulk-billing if a GP issues orders, and private pathology providers like Healius (formerly Primary Health Care) and Sonic Healthcare offer out-of-pocket panels in major cities. The direct-to-consumer wellness lab model is less developed in Australia than in the US, though some startups are emerging. For now, nothing matches the breadth of Function Health’s 100+ biomarker single draw at comparable pricing.
UK residents similarly cannot use Function Health. The NHS covers core labs via GP order, and private players like Medichecks and Thriva offer at-home finger-prick kits for a narrower marker set, though venipuncture panels are available through Harley Street-style private clinics at substantially higher cost.
What to Do If You Are in a Blocked State or Outside the US
If you live in New York, New Jersey, or Rhode Island, your most direct option is to check Function Health’s current availability page (things change quarterly). If still unavailable, three practical paths exist.
First, if you can physically travel to a neighboring supported state, some users do this for their annual draw. A New York City resident could drive to Connecticut or New Jersey (ironic as it sounds, NJ can work for some tests), get drawn at a LabCorp there, and have results reported normally. This is legal, just inconvenient.
Second, consider ordering individual tests through Ulta Lab Tests or Walk-In Lab, both of which have broader state coverage because they operate on a slightly different physician-order model. You will not get Function’s 100+ markers in one draw, but you can assemble a meaningful panel.
Third, look at Superpower, which has different state coverage logistics and offers a comparable full-body panel with physician review. The superpower blood test review covers exactly how it differs from Function in terms of markers, draw process, and interpretation.
For international users in Canada or Australia, the honest answer is that no direct substitute exists at Function’s price and scope within your country. The closest experience involves either traveling to the US (practical for border-region Canadians doing an annual physical) or piecing together a private-pay panel domestically, accepting that physician interpretation will be an add-on cost or will not happen at all.
The simplest way to actually get this done
Superpower is a full-body lab membership that runs 100+ biomarkers, has each result reviewed by a doctor, and tracks your numbers year over year (about $199/year). It is what we point readers to when they would rather get one clean, complete draw than chase single tests one at a time. Here is superpower reviewed in full.
How Function Health Coverage Compares to Competitors by State
Understanding function health availability by state means understanding that Function is not alone in having coverage gaps. Every direct-to-consumer lab platform hits the same NY/NJ/RI wall unless they have in-state physician arrangements or a different collection model.
| Platform | Approximate US state coverage | Blocked or restricted states | International |
|---|---|---|---|
| Function Health | ~47 states | NY, NJ, RI (check current status) | US only |
| Superpower | ~47 states | Similar NY/NJ restrictions | US only |
| Ulta Lab Tests | ~45 to 47 states | NY, NJ, RI, some test-level state blocks | US only |
| Walk-In Lab | ~45 states | NY, NJ, RI plus a few others for select tests | US only |
| Everlywell (at-home) | All 50 states for most kits | Some specific hormone tests still restricted in NY | US only |
Everlywell’s broader coverage exists because most of their tests use finger-prick or urine collection kits mailed to CLIA labs, which sidesteps the draw-site physician-order problem entirely. The trade-off is smaller panels, lower marker count per test, and higher per-test cost if you try to build a full baseline. Function’s model (venipuncture, 100+ markers, single appointment) is genuinely better for a comprehensive annual review but is harder to deploy across state lines.
For more on what Function actually tests and how the app displays your results, the function health app review walks through the experience from draw to dashboard.
Will Function Health Expand to New York and Other Blocked States?
Almost certainly, eventually. New York is the largest single consumer health market in the US, and no direct-to-consumer lab company leaves it on the table by choice. Function Health has publicly acknowledged NY expansion as a goal. The path requires either onboarding a New York-licensed physician as part of the ordering workflow or restructuring how the physician order is generated to satisfy NY’s statute.
The timeline is unpredictable. Other companies have navigated NY (Labcorp OnDemand has broader NY access, for instance, partly because LabCorp is the lab itself). A platform built on top of LabCorp as a third party has to negotiate that layer separately. If Function resolves the NY physician licensing issue, NJ and RI typically follow within a similar cycle, since the structural challenge is analogous.
For users stuck waiting, the practical advice is to set a reminder to check Function Health’s coverage page every three to six months. Or, sign up for their waitlist if they offer one in your state. These expansions often happen quietly, announced via email to the waitlist rather than a press release. If you want to understand the cost picture before committing, the breakdown at function health cost lays out what you pay per year and what is included.
Checking Your Specific Zip Code Before You Sign Up
State-level rules are a blunt instrument. What matters practically is whether a LabCorp or Quest draw site near you can accept a Function requisition. Within a generally supported state, 99% of draw sites work. But there are edge cases: tribal land jurisdictions, certain territories, and military installations (APO/FPO addresses) may not map cleanly to the standard state-coverage framework.
The reliable check: start the Function Health sign-up flow, enter your zip code, and see whether it clears. You are not charged until you complete the full sign-up, so using the flow as a coverage check costs nothing. If your zip clears, you are good. If it does not, contact function health customer service directly, as occasionally a zip fails due to a database error rather than an actual state restriction, and their support team can clarify or manually verify.
Territories like Puerto Rico, Guam, and the US Virgin Islands generally fall outside Function’s coverage even though they are US jurisdictions, because LabCorp and Quest draw-site density there is thin and the physician-order routing is not set up for those territories.
FAQ
Is Function Health available in New York?
As of mid-2026, Function Health has limited or no availability for New York residents due to the state’s direct-to-consumer lab ordering restrictions under Public Health Law Section 579. New York requires that the ordering physician be licensed in New York, which conflicts with Function’s physician-network model. Check Function’s sign-up flow for current status, as this can change when Function onboards NY-licensed physicians.
Is Function Health available in New Jersey?
New Jersey has historically been in the restricted category for Function Health, similar to New York. NJ law imposes physician-order requirements that make it difficult for out-of-state physician networks to issue lab requisitions. Some Function users in northern NJ have had success over time as coverage evolved, so checking current availability via the sign-up zip-code entry is the most reliable method.
Can I use Function Health if I live in Canada?
No. Function Health is a US-only service. You need a US address, US phone number, and access to LabCorp or Quest draw sites in the US. There is no Canadian availability, no international waitlist publicly offered, and no workaround short of physically traveling to a US draw site. Canadian residents should look at provincial lab add-ons through Lifelabs or Dynacare for the closest equivalent.
Is Function Health available in Australia or the UK?
No. Function Health does not operate outside the United States. Australian residents can explore Healius or Sonic Healthcare for private pathology, and UK residents have options like Medichecks or Thriva for at-home panel kits, though the scope of both is narrower than Function’s 100+ marker draw. Nothing directly equivalent exists in either market at a comparable price point as of 2026.
Does Function Health cover all 50 US states?
Not quite. Function Health covers roughly 47 states, with New York, New Jersey, and Rhode Island being the primary gaps due to state-level direct-to-consumer lab regulations. A few US territories (Puerto Rico, Guam) are also outside coverage. The map shifts as Function expands its physician-network licensing, so checking the sign-up flow for your specific zip code is always the authoritative answer.
What is the best alternative to Function Health for states where it is unavailable?
Superpower is the closest like-for-like alternative, running 100+ biomarkers through a similar membership model with physician-reviewed results and year-over-year tracking. See how much does superpower cost for a direct price comparison. For New Yorkers who prefer a single-test approach, Ulta Lab Tests and Walk-In Lab offer per-test direct pay through Quest and LabCorp, though without the bundled physician interpretation.
Does Function Health work for people in military ZIP codes or US territories?
Generally no. APO, FPO, and US territory zip codes (Puerto Rico, Guam, USVI) fall outside Function Health’s current coverage. LabCorp and Quest draw infrastructure exists in Puerto Rico but the physician-order routing for Function’s platform is not configured for those jurisdictions. Contact Function’s support team if you have a specific situation, as they can sometimes clarify edge cases. Talk to a clinician about your options if you are stationed overseas and need baseline labs through your military healthcare system instead.
Will Function Health expand internationally?
There is no public roadmap for international expansion as of mid-2026. Function Health is built on a US-specific regulatory and lab infrastructure. Expanding to Canada or the UK would require building out physician licensing, lab partnerships, and regulatory compliance from scratch in each jurisdiction. The more likely near-term move is filling in the remaining US state gaps (New York being the priority) before tackling international markets.
