K05.21
Aggressive periodontitis, localized
Applicable To
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Periodontal abscess
Approximate Synonyms
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Aggressive localized periodontitis
Clinical Information
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Localized circumscribed purulent area of inflammation in the periodontal tissue. It is a derivative of marginal periodontitis and commonly associated with suprabony and infrabony pockets and interradicular involvements, in contrast to periapical abscess which is attributable to pulp necrosis.
Details
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K05.21 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM K05.21 became effective on October 1, 2022.
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This is the American ICD-10-CM version of K05.21 – other international versions of ICD-10 K05.21 may differ.