2006 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.* > 2006 ICD-9-CM Diagnosis 523.2 Gingival recession View the most recent version of ICD-9-CM 523.2 The exposure of root surface by an apical shift in the position of the gingiva. 523.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 523.* hierarchy Alternate Terminology Gingival recession (postinfective) (postoperative)