Business Hours
The MGH CCIB DNA Core facility is open Monday through Friday,
8:00 am - 5:30 pm (EST).
During normal business hours, core staff accepts samples, delivers results, and is available for consultations. Results are also delivered during extended business hours and weekend hours as appropriate.
Our Customer Phone Service (617-726-5982) is available Monday through Friday,
7:00 am - 2:00 pm (EST).
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Christmas Day (Observed December 25, 2024)
New Year's Day (Observed January 1, 2025)
Martin Luther King's Birthday (January 20, 2025)
President's Day (February 17, 2025)
Memorial Day (May 26, 2025)
Juneteenth (June 19, 2025)
Independence Day (July 4, 2025)
Labor Day (September 1, 2025)
Indigenous People's Day (October 13, 2025)
Thanksgiving Day (November 27, 2025)
Christmas Day (Observed December 25, 2025)
New Year's Day (Observed January 1, 2026)
*Please note: Our Courier Service does not operate on weekends and on holidays.