2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Involving Head And Neck 784.* >
 2007 ICD-9-CM Diagnosis 784.9
Other symptoms involving head and neck On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 784.9 can be accessed here. - Abnormal breathing through the mouth, usually associated with obstructive disorders of the nasal passages.
- An offensive, foul breath odor resulting from a variety of causes such as poor oral hygiene, dental or oral infections, or the ingestion of certain foods.
- The sudden, forceful, involuntary expulsion of air from the NOSE and MOUTH caused by irritation to the MUCOUS MEMBRANES of the upper RESPIRATORY TRACT.
- 784.9 is a non-specific code that cannot be used to specify a diagnosis
- View the ICD-9-CM Volume 1 784.* hierarchy
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