Blood Connect

Blood, coordinated privately.

Connect patients with voluntary donors by blood group and city. Contact details stay hidden until both sides agree.

Who can donate to whom

Who can your blood reach?

Pick a blood group to see who it can give red cells to, and who it can receive from. Red cell compatibility · general guide.

Pick a blood group

O- red cells can go to 8 of 8 blood groups

O- can give to

  • All groups

O- can receive from

  • O-

Final screening and cross-matching are always done by a licensed blood bank. This guide is general information, not medical advice. It covers red cells only; plasma and platelets follow different rules. Blood Connect notifies donors with the exact same group.

Good to know

  • The same group comes firstHospitals give the same blood group whenever it's available. Other matches are a backup the blood bank decides on.
  • O- can help everyoneO- red cells suit every blood group, which is why O- donors are so valuable in emergencies.
  • AB+ can receive from allPeople with AB+ can receive red cells from every blood group, but can give them only to AB+.
  • Don't know your group?It's printed on blood test reports and donor cards. Any lab can check it with a simple blood test. Compare lab prices

How it works

  1. RequestBlood group, city, hospital, and units needed.
  2. MatchAvailable donors in that city are notified.
  3. CoordinateContact is shared only after the donor accepts.

Why it's safe

  • Numbers stay hiddenUntil both sides consent.
  • Voluntary onlyNo payment for blood. Report misuse.
  • Licensed facilitiesCollection happens at a blood bank.