Blood Group Compatibility for Red Cell Donation
| Recipient | Can Receive Red Cells From | Can Donate Red Cells To |
|---|
| O− | O− | All groups |
| O+ | O−, O+ | O+, A+, B+, AB+ |
| A− | O−, A− | A−, A+, AB−, AB+ |
| A+ | O−, O+, A−, A+ | A+, AB+ |
| B− | O−, B− | B−, B+, AB−, AB+ |
| B+ | O−, O+, B−, B+ | B+, AB+ |
| AB− | O−, A−, B−, AB− | AB−, AB+ |
| AB+ | All groups | AB+ only |
O− is the universal red cell donor. AB+ is the universal red cell recipient.
Plasma Donation Compatibility
| Plasma Donor | Can Donate Plasma To | Can Receive Plasma From |
|---|
| AB | All groups | AB only |
| A | A, O | A, AB |
| B | B, O | B, AB |
| O | O only | All groups |
Platelet Donation Requirements
Requirements
- Healthy donor, usually 18–65 years.
- Minimum weight commonly 50 kg.
- Good platelet count after screening.
- No fever, infection, or recent major illness.
Matching
- ABO-compatible platelets are preferred.
- HLA-matched or crossmatched platelets may be needed for repeated transfusions.