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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Involving Respiratory System And Other Chest Symptoms 786.* > 2007 ICD-9-CM Diagnosis 786.2 Cough This code may be outdated. View the most recent version of ICD-9-CM 786.2 A cough is a sudden, often repetitive, spasmodic contraction of the thoracic cavity, resulting in violent release of air from the lungs, and usually accompanied by a distinctive sound. (from Wikipedia) A sudden, audible expulsion of air from the lungs through a partially closed glottis, preceded by inhalation. It is a protective response that serves to clear the trachea, bronchi, and/or lungs of irritants and secretions, or to prevent aspiration of foreign materials into the lungs. 786.2 is a specific code that can be used to specify a diagnosis 786.2 contains 12 index entries View the ICD-9-CM Volume 1 786.* hierarchy 786.2 excludes: cough: psychogenic (306.1) smokers' (491.0) with hemorrhage (786.3) Index entries containing 786.2: Cough 786.2 with hemorrhage (see also Hemoptysis) 786.3 affected 786.2 bronchial 786.2 with grippe or influenza 487.1 chronic 786.2 epidemic 786.2 functional 306.1 hemorrhagic 786.3 hysterical 300.11 laryngeal, spasmodic 786.2 nervous 786.2 psychogenic 306.1 smokers' 491.0 tea tasters' 112.89 Epilepsy, epileptic (idiopathic) 345.9 laryngeal 786.2 Laryngeal - see also condition syncope 786.2 Syncope (near) (pre-) 780.2 laryngeal 786.2 tussive 786.2 Vertigo 780.4 laryngeal 786.2