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Contact Information

For information about laboratory services, please call 202-476-2226. Please note: Results will only be released to healthcare providers.  

Phlebotomy Service

Main Campus: Monday through Friday, 8 a.m. – 6 p.m. Saturday, 10 a.m. – 2 p.m. 

Sweat Test Scheduling

Call 202-476-2226 to schedule a sweat test. 

Blood Donor Center 

202-476-KIDS (5437) 
The center is located in room 2302 on the second floor of the main hospital. 

Blood Donor Center Hours of Operation 

Monday through Friday: 7 a.m. – 4 p.m.

  • Last platelet appointment is 2 p.m.
  • Last blood appointment is 3:30 p.m.

Every second and fourth Saturday: 7 a.m. – 3 p.m.

  • Last platelet appointment is 1:30 p.m.
  • Last blood appointment is 2:30 p.m.

Schedule an appointment online


Call 202-476-6524 to schedule an appointment. 


Laboratory Medicine: 202-476-5974
Pathology: 202-476-2051
Fax: 202-476-2007