AHA Coding Clinic® for ICD-9 - 2006 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES

Postnasal Drip

Effective October 1, 2006, code 784.9, Other symptoms involving head and neck has been expanded to create unique codes for postnasal drip (784.91) and other symptoms involving head and neck (784.99). Postnasal drip is excess fluid or mucus production running down the back of the throat. It can be caused by a number of different conditions including colds, flu, sinusitis, and other inflammatory disorders. Signs and symptoms include swelling, and irritation of the sinus lining, leading to bleeding or polyps. Post nasal drip can cause sore throat, or cause a cough that is usually worse at...

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