How we check prices and test details
Where the information comes from
Every price, test name and list of included tests comes from the provider's own website. We record the page it came from and the date we checked it, and show that date next to the price.
How often we check
Affiliate links and coupons are re-checked against our affiliate network with each site update. Prices are re-checked against the provider's website, and any price older than 30 days is flagged for re-checking. The date on each price shows when it was last confirmed.
What we never publish
- Prices, test contents or claims we can't trace to a provider's page or another stated source.
- Medical advice, diagnoses or treatment recommendations.
- Reviews, ratings or testimonials we didn't collect ourselves.
If something isn't known (for example, a test's full contents), we say so rather than guess, and link to the provider's page.
How we choose "Our pick"
When more than one provider sells the same test, we recommend the one that is best for most people based on price, available coupons, how quickly results arrive and test-center coverage. Commissions never buy a listing or position. See how we make money.
Corrections
If you see an error, tell us. We check it against the provider's website and correct it, updating the "last checked" date.