ICD-10-CM > K00-K95 > K00-K14 > K05 > K05.5 K05.5 Other periodontal diseases Billable/Specific Copy Code Copy Description Applicable To Combined periodontic-endodontic lesionNarrow gingival width (of periodontal soft tissue) Type 2 Excludes leukoplakia of gingiva (K13.21)