Alphabetic Index FY2027

Alphabetic Index · main term

Undulant fever

FY2027Index: U /Alphabetic Index

Undulant fever 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 Brucellosis, which lists A23.9. Confirm the code in the Tabular List before you report it.

Where the Index sends you

see Brucellosis (infection)

A23.9BillableUse additional codeExcludes2

Brucellosis, unspecified

Open A23.9

First-level subterms 7

See all 9 subterms