Alphabetic Index · main term
Mesaortitis
Mesaortitis 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 Aortitis, which lists I77.6. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Aortitis (nonsyphilitic) (calcific)
Arteritis, unspecified