AHA Coding Clinic® for ICD-9 - 1997 Fourth Quarter

Chronic Tonsillitis and Adenoiditis

Prior to October 1, 1997, chronic adenoiditis was classified under the chronic tonsillitis code, 474.0. Chronic adenoiditis is a problem in children and is often an indication for surgery because the adenoiditis may lead to otitis media. Subcategory 474.0 has been revised to separately identify these two conditions. Revise 474.0 Chronic disease of tonsils and adenoidsNew code 474.00 Chronic tonsillitisNew code 474.01 Chronic adenoiditisNew code 474.02 Chronic tonsillitis and adenoiditis This supersedes advice previously published in Coding Clinic November/December 1984, page 16. ...

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