Instructor’s Guide for ICD-9-CM Diagnostic Coding and ...
a. Sleep apnea includes intermittent cessation of airflow at the nose and mouth during sleep, lasting 10 to 30 seconds and occurring 10 to 15 times per minute. Obstructive is due to collapse and occlusion of the upper airway of the oropharynx, and snoring is a common symptom. ................
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