ICD-10-CM 2027
ICD-10 code for Paradentosis
From the official ICD-10-CM alphabetic index entry “Paradentosis”. Page updated September 29, 2026.
About coding Paradentosis
The ICD-10-CM code for Paradentosis is K05.4 (Periodontosis).
Within K05 (gingivitis and periodontal diseases), K05.4 is specifically for Periodontosis. Related codes cover acute gingivitis (K05.0), chronic gingivitis (K05.1), aggressive periodontitis (K05.2), chronic periodontitis (K05.3), other periodontal diseases (K05.5) and periodontal disease, unspecified (K05.6).
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.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Paradentosis ICD-10 codes
What is the ICD-10 code for Paradentosis?
- K05.4 — Periodontosis.
Is K05.4 billable?
- Yes. K05.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K05.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K05.4 as a principal diagnosis.
Is K05.4 a CC or MCC?
- No. K05.4 is neither a CC nor an MCC under MS-DRG v44.0.