Preauricular cyst. 1  ICD-9-CM 744.47 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 744.47 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
The most common silent reflux symptoms are hoarseness, chronic cough, throat-clearing, post-nasal drip, sinusitis, sore or burning throat, difficulty swallowing, shortness of breath, snoring, sleep apnea, bad breath, tooth decay, asthma, and COPD.
Nasal mucus is produced in the nose to prevent bacteria and viruses from entering the nasal passage and causing infections. It also keeps the skin inside the nose moist. Excess mucus production is characterized by a condition known as Post Nasal Drip (PND).