APTT Mixing studies identifies the cause for the raised APTT. This could be due to presence of factor deficiency, Lupus anticoagulant, heparin contamination / therapy or deficiency of fibrinogen

Absolute eosinophil count is increased in allergic or atopic disease, infectious disorders (including parasites), medications, immunologic reactions, skin disorders, pulmonary syndromes, rheumatologic diseases, myeloproliferative neoplasms and secondary to other malignancies.