Blood Donation Intervals

The interval at which a donor can donate blood products is dependent on the type of donation and age of the donor and is outlined below. Donors are encouraged to call 1-319-356-2058 for more information or to assess their eligibility.

Whole Blood

  • 16 or 17 years of age every 20 weeks
  • 18 – 24 years of age every 16 weeks
  • 25 years of age or older every 8 weeks

Platelets, Plasma, Red Cells (Automated Donation)

  • Platelets every 7 days but no more than 24 times in a rolling one year period
  • Plasma every 28 days
  • Red Cells every 8 weeks for donors over the age of 25, every 16 weeks for donors who are 18 – 24 years of age and every 20 weeks for donors who are 16 or 17 years of age