AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES

Obstructive Chronic Bronchitis with Acute Bronchitis

Effective October 1, 2004, a new code has been created to report acute bronchitis when accompanied by chronic obstructive pulmonary disease (COPD). Modifications made last year to the inclusion terms at code 491.21, Obstructive chronic bronchitis with (acute) exacerbation, led to confusion and other unintended consequences. To resolve these problems, a combination code has been created to report acute bronchitis with COPD. 466 Acute bronchitis and bronchiolitis 466.0 Acute bronchitis Add Excludes: acute bronchitis with chronic obstructive pulmonary disease (491.22) 491 Chronic bronchitis 491.2 Obstructive chronic bronchitis 491.21 With (acute) exacerbation Delete Acute and...

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