Check Your
Eligibility.
Before you save a life, ensure you are ready and healthy. Our strict protocols exist to protect both our generous donors and the patients who depend on their gifts.
Core Requirements
The basic criteria you must meet to ensure a safe donation process for everyone involved.
Age Range
Between 18 and 65 years old. Frequent donors may donate past 65 with medical approval.
Weight
Minimum 50kg (110 lbs). This ensures your body can safely handle the volume of blood drawn.
Hemoglobin
Minimum 12.5 g/dL for women and 13.0 g/dL for men to prevent anemia.
Blood Pressure
Systolic: 100-130 mmHg, Diastolic: 60-90 mmHg at the time of donation.
Pulse Rate
A regular resting pulse between 50 and 100 beats per minute.
Temperature
Body temperature must be normal (around 98.6°F / 37°C) without signs of fever.
Health Status
Must be in generally good health and free from any transmissible infections.
Interval
At least 8-12 weeks between whole blood donations to allow your body to replenish.
Blood Compatibility
Understanding who you can help and who can help you. O- is the universal donor, while AB+ is the universal receiver.
| Blood Type | You Can Donate To | You Can Receive From |
|---|---|---|
| O- | Everyone (Universal) | O- |
| O+ | O+A+B+AB+ | O-O+ |
| A- | A-A+AB-AB+ | O-A- |
| A+ | A+AB+ | O-O+A-A+ |
| B- | B-B+AB-AB+ | O-B- |
| B+ | B+AB+ | O-O+B-B+ |
| AB- | AB-AB+ | O-A-B-AB- |
| AB+ | AB+ | Everyone (Universal) |
Temporary
Deferrals
You may need to wait before donating if you fall under these categories.
Tattoos or Piercings (Wait 6 months)
Major Surgery or Illness (Wait 6-12 months)
Pregnancy or Breastfeeding (Wait 6 months post-delivery/weaning)
Antibiotic Treatment (Wait 7 days after completion)
Dental Procedures (Wait 24h for minor, 1 month for major)
Recent Vaccinations (Wait 2-4 weeks depending on vaccine)
Permanent
Deferrals
For the safety of the blood supply, you may not be able to donate if.
Hepatitis B or C diagnosis since age 11
HIV/AIDS positive status or high-risk lifestyle
History of severe heart disease or certain cancers
Bleeding disorders like Hemophilia
Chronic kidney or liver failure
Institutional Oversight
Our partner medical boards and institutional affiliates review and update our eligibility criteria based on prevailing national health standards and international blood network recommendations.
Eligible? Join the elite.
If you meet our criteria, you are already halfway to being a hero. Register now to join the premium network of verified lifesavers.