Use additional codeCode to identify:Exposure to environmental tobacco smoke (Z77.22)History of tobacco use (Z87.891)Occupational exposure to environmental tobacco smoke (Z57.31)Tobacco dependence (F17.-)Tobacco use (Z72.0)Type 1 excludesHypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)Neonatal hypertension (P29.2)Primary pulmonary hypertension (I27.0)Versions2016New code