AHA Coding Clinic® for ICD-9 - 2001 Fourth Quarter

Acute Laryngitis

Within category 464, Acute laryngitis and tracheitis; acute tracheitis, acute laryngotracheitis and acute epiglottitis differentiate between "with or without mention of obstruction." Effective October 1, 2001, code 464.0, Acute laryngitis is expanded to parallel this structure. 464.0 Acute laryngitis New code 464.00 Without mention of obstruction New code 464.01 With obstruction ...

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