Whether and how much the Patient smokes tobacco products. This Smoking Status observation is specific to Meaningful Use (MU), and is bound to a set of eight possible MU-prescribed answer values. This class represents an Observation Clinical Statement wherein the patients smoking status has been evaluated, which can be used in a variety of other models as if it were a datatype. "Indicator for any form of tobacco that is smoked." - PCORnet Common Data Model, Vital.BP_Position. Possible values include: Current every day smoker; Current some day smoker; Former smoker; Never smoker; Smoker, current status unknown; Unknown if ever smoked; Heavy tobacco smoker; Light tobacco smoker; No information; Unknown; Other.