<prompt> Leucocyte ALP13 is seen in all except -Chronic myeloid leukaemiaLeukemoid reactionPregnancyInflammatory conditions  <response>: Leukocyte alkaline phosphatase LAP is found within mature WBC. White blood cell levels of LAP can help in the diagnosis of ceain conditions. Higher levels are seen in the physiological response, the leukemoid reaction, and in pathologies that include mature white blood cells, such as polycythemia vera PV, essential thrombocytosisET, and in primary myelofibrosis PM. Lower levels are found in pathologies that involve undeveloped leukocytes, such as chronic myelogenous leukemia CML, paroxysmal nocturnal hemoglobinuria PNH and acute myelogenous leukemia AML. 