ICD9Data.com   Free 2008 ICD-9-CM Database

2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Gingival And Periodontal Diseases 523.* > 2008 ICD-9-CM Diagnosis 523.4 Chronic periodontitis Inflammatory reaction of the tissues surrounding a tooth (periodontium), usually resulting from the extension of gingival inflammation (gingivitis) into the periodontium. (From Dorland, 27th ed) 523.4 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 523.* hierarchy 523.4 also known as: Chronic pericoronitis Pericementitis (chronic) Periodontitis: NOS complex simplex 523.4 excludes: chronic apical periodontitis (522.6)