Blood Donor Center

It takes just thirty minutes to make a lifesaving whole blood donation, and potentially help up to three different Mass General patients.

Whole Blood Donations


Did you know that several different patients can benefit from one single whole blood donation?

After donation, whole blood is separated into red blood cells, platelets, and plasma. Doctors use these components to treat patients in a variety of different ways; for example, these components go to patients who suffer from leukemia, hemophilia, traumatic accidents, or patients who are undergoing chemotherapy or have lost blood during surgery.

Please allow 30-40 minutes for the entire visit when donating blood, though the actual blood donation will take 8-10 minutes. After registering, a Nurse or Phlebotomy technician will take your medical history. After your donation you will spend a few minutes relaxing in our refreshment room before you resume your normal activities. (To learn more about the donation process, please check out our slideshow.)

You can donate whole blood every 56 days (8 weeks or approximately 2 months. Immediately after your donation, your body will start to replace your donation with new blood cells.

We welcome walk-in donors Tuesday – Friday. If you would like to make an appointment, please call 617-726-8177.

Whole Blood Donation Eligibility

You can donate whole blood if you:

  • Are in good health and feel well today
  • Are at least 16 years of age (click here for 16 year old parental consent form).
  • Weight at least 110 lbs (100 lbs if you are donating at the MGH campus)
  • Have eaten recently
  • Have a photo id

Click here for additional eligibility guidelines (PDF)