Alphabetic Index · main term
Operculitis
Operculitis is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Periodontitis, which lists K05.30. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Periodontitis (chronic) (complex) (compound) (local) (simplex)
Chronic periodontitis, unspecified