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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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Oklahoma City, OK (DLO) licensure

Diagnostic Laboratory of Oklahoma
225 NE 97th Street, Oklahoma City, OK 73114

LicensesExpiresLicense/Permit #
CAP02-28-277089301
CLIA10-29-2637D0960030

State laboratory licensure is not required in the state of Oklahoma.