ICD-10-CM 2027
ICD-10 code for gingival width narrow
From the official ICD-10-CM alphabetic index entry “Narrow › gingival width (of periodontal soft tissue)”. Page updated September 29, 2026.
About coding gingival width narrow
The ICD-10-CM code for gingival width narrow is K05.5 (Other periodontal diseases).
Within K05, choose K05.5 (Other periodontal diseases) only when documentation doesn't support a more specific option: acute gingivitis (K05.0), chronic gingivitis (K05.1), aggressive periodontitis (K05.2), chronic periodontitis (K05.3), Periodontosis (K05.4) and periodontal disease, unspecified (K05.6).
The conditions in its Excludes2 note aren't part of K05.5, but may be coded alongside it if the patient has both: leukoplakia of gingiva (K13.21).
Use an additional code to identify: alcohol abuse and dependence (F10.-), exposure to environmental tobacco smoke (Z77.22), exposure to tobacco smoke in the perinatal period (P96.81), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31) and 2 more.
Common questions about gingival width narrow ICD-10 codes
What is the ICD-10 code for gingival width narrow?
- K05.5 — Other periodontal diseases.
Is K05.5 billable?
- Yes. K05.5 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K05.5 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K05.5 as a principal diagnosis.
Is K05.5 a CC or MCC?
- No. K05.5 is neither a CC nor an MCC under MS-DRG v44.0.