<30 | Consider transfusion in all patients | Transfuse | Transfuse if bleeding present or IVIG unavailable | Transfuse (with HPA compatible platelets) if bleeding |
30–49 | Do not transfuse if clinically stable | Transfuse | Do not transfuse if stable and not bleeding | Transfuse (with HPA compatible platelets if bleeding present) |
| Consider transfusion if: | | | |
| <1000 g and <1 week of age | | | |
| Clinically unstable (eg fluctuating BP) | | | |
| Previous major bleeding tendency (eg grade 3–4 IVH) | | | |
| Current minor bleeding (eg petechiae, puncture site oozing) | | | |
| Concurrent coagulopathy | | | |
| Requires surgery or exchange transfusion | | | |
50–99 | Do not transfuse | Transfuse | Do not transfuse | Transfuse (with HPA compatible platelets if major bleeding present) |
>99 | Do not transfuse | Do not transfuse | Do not transfuse | Do not transfuse |