Haematology Telephone Action Ranges
Results that fall outside the ranges below will be telephoned to the clinical area indicated on the request details except when they are not significantly different from previous values for a current admission.
Haematology
| Parameter | Telephone Ranges |
|---|---|
| White Cell Count | > 100.0 x 10*9/L |
| Neutrophils | < 0.5 or > 50.0 x 10*9/L |
| Haemoglobin | < 70 or > 190 g/L |
| Platelets | < 30 or > 1000 x 10*9/L |
| Plasma Viscosity | > 5.0 mPa |
| Malaria Parasite | Always telephone a positive result |
| Sickle Screen | Urgent positive results |
Coagulation Studies
| Parameter | Telephone Ranges |
|---|---|
| Fibrinogen | < 0.5 g/L |
| Warfarin Monitoring | INR > 6.5 |
| Heparin Monitoring | APTT > 135 secs |
Blood Transfusion
| Parameter | Telephone Ranges |
|---|---|
| Neonatal DAT | Always telephone a positive result |
| Positive Antibody screen | Positive antibody screens will be phoned to the clinical area if it will impact on the provision of red cells. |
| Foetal Leak | >4 ml bleed
|
Errors
| Wrong Blood In Tube | These will be communicated to the clinical area. Repeat samples are required. |
|---|---|
| Rejected Crossmatch Requests | The lab will make reasonable attempts to make contact with the clinical area to request a repeat. |
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