This text presents comprehensive review of the recommendations of the Papanicolaou Society of Cytopathology for reporting results of respiratory cytology specimens along with advances in diagnostic, prognostic, and predictive immunohistochemical and molecular techniques which can be performed on cytology specimens.The majority of the text focuses on the standardized terminology and nomenclature for respiratory cytology as recommended by the Papanicolaou Society of Cytopathology. Each of the diagnostic categories are described in depth and formal definitions for each category are given along with cytologic criteria. Explanatory notes are given discussing limitations of the category as well as its malignancy risk and reproducibility. Management recommendations are supplied for each category. Sample reports documenting the preferred reporting format are also given. Each category is associated with a reference list establishing the evidence based nature of the categories.