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Upcoming holiday closures 

Quest Patient Service Centers will be closed on Friday, July 3 and Saturday, July 4, 2026, in observance of Independence Day, and to give our frontline team the time to recharge. Don't let the holiday interrupt your care. Plan your visit today.

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Quest Diagnostics

Cleveland HeartLab

6701 Carnegie Ave

Suite 500

Cleveland

44103

OH

United States

41.5018211

-81.6436089999

(866) 358-9828

Monday: 6:00 am to 12:00 am

Tuesday: 6:00 am to 12:00 am

Wednesday: 6:00 am to 12:00 am

Thursday: 6:00 am to 12:00 am

Friday: 6:00 am to 12:00 am

Saturday: 6:00 am to 12:00 am

Sunday: 6:00 am to 12:00 am

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.