Genome Sequencing & Genetic Testing Costs by Country

Genetic testing is the odd one out among medical costs. A blood or saliva sample can be shipped across borders, the laboratory doing the sequencing may be in a different country from the doctor who ordered it, and the expensive part is often not the sequencing at all. So "what does it cost in each country" is less useful than "what am I paying for, who interprets it, and what protections follow the result". This guide works through those questions.

What you are actually paying for

A clinical genetic test has four layers, and quotes differ mainly in how many of them they include:

NHGRI's cost series counts production costs such as labor, reagents, instruments and initial data processing, and explicitly excludes later analysis such as assembly, alignment, variant identification and interpretation. NHGRI also distinguishes price from cost, noting that commercial prices have often, though not always, sat slightly below its cost estimates. In other words, the headline "genome for under a few thousand dollars" describes the second layer, not the full clinical service.

Types of test, and what drives each price

For exome sequencing, NHGRI noted that costs were generally below $1,000 in 2015. That was a sequencing-cost estimate, not a price for a clinically interpreted exome report.

Does the country matter?

Less than for surgery, and in different ways. Sequencing can be centralized in large laboratories that serve patients from many countries, so the machine cost per sample does not change much with the patient's passport. What does change by country:

• Who may order the test. Some tests can be bought directly by consumers; clinical tests normally need a clinician's order, and the rules differ between countries.
• Counseling availability and cost. Whether a genetic counselor is part of the service, and in which language.
• Insurance coverage. Whether your plan pays for the test, and whether it requires prior authorization or an in-network laboratory.
• Data protection. Which privacy law governs your sample and data, how long the lab keeps them, and whether they may be used for research.
• Laboratory quality systems. Which accreditation the lab holds, and whether your home doctor will accept a report from it.

The protection question US patients should ask first

Before price, consider what the result could mean later. According to NHGRI's summary of genetic discrimination law (updated 2022), the Genetic Information Nondiscrimination Act of 2008 bars health insurers from using genetic information for eligibility, coverage, underwriting or premiums, and bars employers from using it in hiring, firing, pay or job assignments.

The same summary lists important gaps. The law does not cover life, disability or long-term care insurance, though some states add protections. Its employment protections do not apply to employers with fewer than 15 employees or to the US military. Where you are tested does not change those gaps. If you are thinking about life or disability cover, ask an adviser about timing before you test, wherever the lab is.

Buying a test during a trip abroad

Some patients combine testing with a health checkup during travel. If you do, the checklist is different from a surgical quote:

• Which laboratory will process the sample, and in which country?
• Which test exactly, by name and gene list, so your home doctor can understand it?
• Is pre-test and post-test counseling included, and in a language you are comfortable with?
• Will the report be issued in English, and will you receive the raw data file if you want it?
• How long will the sample and data be stored, and can you ask for them to be destroyed?
• Who do you call if a result needs follow-up testing or a family-member test?

Testing is often the start of a longer pathway. A positive result for a hereditary cancer variant, for instance, may lead to extra screening or preventive care. Think about where that follow-up would happen and how it would be paid for. A result is only as useful as the plan you can build around it; our guide to second opinions and diagnostic confirmation covers how to get a result reviewed before acting on it.

Comparing two genetic test quotes

Because the sequencing step is increasingly similar between laboratories, two quotes for "the same" test usually differ in the layers around it. Line them up on these points before comparing prices:

• Scope: the exact test name and gene list, or whether it is an exome or genome, and at what depth.
• Who orders and explains it: whether a clinician's order and pre-test and post-test counseling are included or billed separately.
• Family testing: whether testing a parent or relative to clarify a result is included, discounted or extra.
• Turnaround: faster results sometimes cost more, which matters if a treatment or pregnancy decision depends on them.
• Reanalysis and data: whether the lab will re-review your data later as knowledge improves, and whether you can obtain your raw data.
• Insurance route: whether the lab bills your insurer and what you would owe if the claim is denied.

Where genetic testing intersects with other costs

Two of the most common reasons patients ask about genetic testing are family planning and preventive screening. If you are freezing eggs or preparing for IVF, carrier screening and embryo testing can become part of the total; see egg freezing and fertility preservation costs abroad. If you are considering a comprehensive checkup, our guide to executive checkups and preventive screening abroad covers what those packages usually include.

In both cases, compare quotes layer by layer. A low price that covers sequencing only may cost more in the end than a higher one that includes counseling, interpretation and a clear route to follow-up.

Sources

• NHGRI, The cost of sequencing a human genome (updated 2021)
• NHGRI, DNA sequencing costs data (updated 2023)
• NHGRI, Genetic discrimination (updated 2022)

Frequently asked questions