Granulocyte Alkaline Phosphatase (GAP)

Analyte [material]

Granulocyte alkaline phosphatase (GAP) [VB]

Reference range, target level, or decision threshold

10-100 points

Interpretation of results

↑ Leukemoid reaction, primary myelofibrosis, erythroleukemia and polycythemia vera, Hodgkin lymphoma, infections, diabetes, hyperthyroidism

↓ Chronic phase of chronic myeloid leukemia, viral hepatitis, infectious mononucleosis, cutaneous or mucosal candidiasis, paroxysmal nocturnal hemoglobinuria, certain cases of pancytopenia, exposure to ionizing radiation