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First level tests.
| WBC count, red cell morphology on peripheral smear |
| Reticulocyte count |
| Indices of haemolysis (haptoglobin, indirect bilirubin, LDH) |
| DAT and IAT |
| Blood group |
| Liver and kidney function |
| Urinanalysis |
WBC: white blood cell; LDH: lactate dehydrogenase; DAT: direct antiglobulin test; IAT: indirect antiglobulin test.
