Blood Donation

Every two seconds, someone in America needs blood. Only 5% of eligible donors actually give, which means chronic shortages are a permanent feature of the blood supply. These guides cover who can donate, what the process involves, and how autologous (self-donated) blood works for planned surgeries.

Autologous Blood Donation: All 5 Types, Procedures, and Storage Explained

Complete guide to autologous blood donation — all 5 types including preoperative donation, intraoperative salvage, hemodilution, and long-term frozen storage. Eligibility, risks, and when each method applies.

  • Autologous blood transfusion is the safest form — it eliminates immune reactions and donor-transmitted disease risk
  • Five methods exist: preoperative donation, intraoperative salvage, postoperative salvage, hemodilution, and long-term frozen storage
  • Approximately 643,000 autologous donations occur in the U.S. annually
Read the full guide

Blood Donation Requirements and Eligibility: Complete Guide

Full blood donation eligibility criteria — age, weight, health conditions, medications, travel deferrals, and how often you can donate whole blood, plasma, and platelets.

  • Basic requirements: at least 17 years old, weigh 110+ pounds, and be in good health on the day of donation
  • Whole blood donors must wait 56 days (8 weeks) between donations
  • Only 5% of eligible Americans donate blood, yet over 80% of blood used comes from repeat donors
Read the full guide