O−0(I) Rh−
- Can donate to
- O−
- O+
- A−
- A+
- B−
- B+
- AB−
- AB+
- Can receive from
- O−
8 blood types
Blood type compatibility
A quick reference for which blood types can give red blood cells to which.
Compatibility chart
Red blood cell compatibility: rows are the donor’s blood type, columns are the recipient’s blood type.
- Compatible
- Not compatible
| Recipient →Donor ↓ | O−0(I) Rh− | O+0(I) Rh+ | A−A(II) Rh− | A+A(II) Rh+ | B−B(III) Rh− | B+B(III) Rh+ | AB−AB(IV) Rh− | AB+AB(IV) Rh+ |
|---|---|---|---|---|---|---|---|---|
| O−0(I) Rh− | Compatible | Compatible | Compatible | Compatible | Compatible | Compatible | Compatible | Compatible |
| O+0(I) Rh+ | Not compatible | Compatible | Not compatible | Compatible | Not compatible | Compatible | Not compatible | Compatible |
| A−A(II) Rh− | Not compatible | Not compatible | Compatible | Compatible | Not compatible | Not compatible | Compatible | Compatible |
| A+A(II) Rh+ | Not compatible | Not compatible | Not compatible | Compatible | Not compatible | Not compatible | Not compatible | Compatible |
| B−B(III) Rh− | Not compatible | Not compatible | Not compatible | Not compatible | Compatible | Compatible | Compatible | Compatible |
| B+B(III) Rh+ | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Compatible | Not compatible | Compatible |
| AB−AB(IV) Rh− | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Compatible | Compatible |
| AB+AB(IV) Rh+ | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Not compatible | Compatible |
Scroll sideways to see the whole table.
Red blood cells only
The chart shows red blood cell compatibility. Rules for plasma and platelets are different — doctors and the blood center decide which blood component to use.
Who can give to whom
Who each blood type can give blood to and receive it from.
O+0(I) Rh+
- Can donate to
- O+
- A+
- B+
- AB+
- Can receive from
- O+
- O−
A−A(II) Rh−
- Can donate to
- A−
- A+
- AB−
- AB+
- Can receive from
- A−
- O−
A+A(II) Rh+
- Can donate to
- A+
- AB+
- Can receive from
- A+
- A−
- O+
- O−
B−B(III) Rh−
- Can donate to
- B−
- B+
- AB−
- AB+
- Can receive from
- B−
- O−
B+B(III) Rh+
- Can donate to
- B+
- AB+
- Can receive from
- B+
- B−
- O+
- O−
AB−AB(IV) Rh−
- Can donate to
- AB−
- AB+
- Can receive from
- AB−
- A−
- B−
- O−
AB+AB(IV) Rh+
- Can donate to
- AB+
- Can receive from
- AB+
- O−
- O+
- A−
- A+
- B−
- B+
- AB−
Basic donation rules
General information
This is general guidance, not medical advice. Requirements may vary — always check with the blood center before donating.
Wait at least 60 days between whole blood donations.
Donors are usually between 18 and 65 years old.
Your body weight should be at least 50 kg.
Bring your passport (identity document) to the blood center.
Have a light meal before donating (avoid fatty food) and drink plenty of water.