Cookie Policy

What Are Cookies?
Cookies are small data files that are downloaded to your computer or device by a website. They are commonly used by professional websites to track overall website usage, determine your browsing preferences and improve and customize your user experience.
Cookies may be session-based or persistent. Session-based cookies exist only during one session and disappear from your computer or device when you close your browser or turn off your computer or device. Persistent cookies remain on your computer or device for a certain period after you close your browser or turn off your computer or device. Most persistent cookies expire within 6 months to 2 years.
Cookies We Use and Why We Use Them
When you visit our websites or access our online services, we, or an authorized third party, may place a cookie on your browser which collects information about your online activities over time and across different websites. The types of cookies we use and why we use them is described below. Please note that cookies are dynamic and change frequently and, therefore, the exact cookies in use at any given time may vary slightly from those listed in the tables below; however, the purpose of the cookies remains the same.
Strictly Necessary Cookies
These cookies are necessary for our websites to function and cannot be switched off in our systems. We use these cookies to allow you to login to secure areas of our websites and use our services. Once logged in, we may place a cookie on your browser to identify you in order to process your requests and expire your session after a period of inactivity. These cookies are also used to test whether or not your browser has cookies enabled, and to apply security settings when you access our websites.
Cookie Name Purpose Duration
Session _session An encrypted token used to identify when a user is logged-in and to expire their session automatically 1 year
Cookies Enabled cookies_enabled Records that your browser is capable of storing cookies 1 year
GrayCyan Device GrayCyan_device Identifies your browser and device so that you can be signed in on multiple devices simultaneously 1 year
Current Location current_location_id Records which clinic location you last viewed so the same location will be loaded on your next visit 1 year
Performance Cookies
These cookies count website visits and track pages visited and traffic sources. We use these cookies to measure and improve the performance of our websites and understand which web pages are popular. If you do not allow these cookies, we will be less able to optimize our websites performance. All information these cookies collect is aggregated and anonymous.
Cookie Name Purpose Duration
Google Analytics _ga Distinguishes users 2 years
gat_UA_XXXXXX Determines performance and throttles the request rate 1 minute
_utma Distinguishes users and sessions 2 years
_utmt Throttles the request rate 10 minutes
_utmb Determines new sessions/visits 30 minutes
_utmc Determines whether user was in a new session/visit Session
_utmz Stores the traffic source or campaign that explains how the user reached our site 6 months
_utmv Stores visitor-level custom variable data 2 years
Fullstory rs_uid Tracks a user session across multiple pages on a single website 30 minutes
Targeting Cookies
These cookies are used by third-party companies to build a profile of your interests and show you relevant advertisements on other sites. Targeted ads may be displayed to you based on your visits to our websites. If you do not allow these cookies, you will experience less targeted advertising. These cookies do not directly store personal information, but can uniquely identify information such as your browser and device.
Cookie Name Purpose Duration
Facebook _fbp Used for tracking effectiveness of GrayCyan’s online advertising on Facebook 1 year
How to Change Your Cookies Settings
Most web browsers allow some control over cookies through the browser settings. You can instruct your browser, by changing its options, to stop accepting cookies or to prompt you before accepting a cookie from websites you visit. Your browser also provides you the option to delete the cookies from your computer or device at any time. Please be aware that if cookies are disabled, not all features of the websites or services may operate as intended.
To find out more about cookies and how to set cookie preferences in your browser, visit or

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