Blood count

Low Hb

Anaemia

High Hb

Polycythaemia

High MCV

Macrocytic anaemia

Low MCV

Microcytic anaemia

High MCHC

Hyperchromic

Low MCHC

Hypochromic

Low reticulocyte

Bone marrow disorder, anaemia

High reticulocyte

Bleeding, haemolytic anaemia

Low WBC

Leukopaenia

High WBC

Leukocytosis

Low neutrophil

Neutropaenia

High neutrophil

Neutrophilia

Low platelet

Thrombocytopaenia

High platelet

Thrombocytosis

Low ferratin

Iron deficiency: anaemia, bleeding

High ferratin

Haematochromatosis

Low B12

Pernicious anaemia

High ALP

Interrupted bile flow

High AST / ALT

Hepatocyte damage

High yGT

Obstruction

High UC bilirubin

Haemolysis, prehepatic (UC)

High C bilirubin

Prehepatic (C), obstructive

Low Hb

Anaemia

High Hb

Polycythaemia

High MCV

Macrocytic anaemia

Low MCV

Microcytic anaemia

High MCHC

Hyperchromic

Low MCHC

Hypochromic

Low reticulocyte

Bone marrow disorder, anaemia

High reticulocyte

Bleeding, haemolytic anaemia

Low WBC

Leukopaenia

High WBC

Leukocytosis

Low neutrophil

Neutropaenia

High neutrophil

Neutrophilia

Low platelet

Thrombocytopaenia

High platelet

Thrombocytosis

Low ferratin

Iron deficiency: anaemia, bleeding

High ferratin

Haematochromatosis

Low B12

Pernicious anaemia

High ALP

Interrupted bile flow

High AST / ALT

Hepatocyte damage

High yGT

Obstruction

High UC bilirubin

Haemolysis, prehepatic (UC)

High C bilirubin

Prehepatic (C), obstructive