Alphabetic Index · main term

Omentitis

FY2027Index: O /Alphabetic Index

Omentitis 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 Peritonitis, which lists K65.9. Confirm the code in the Tabular List before you report it.

Where the Index sends you

see Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion)

K65.9BillableUse additional codeCode alsoExcludes1Excludes2

Peritonitis, unspecified

Open K65.9

First-level subterms 39

with or following
acute (generalized)K65.0
asepticT81.61
bile, biliaryK65.3
chemicalT81.61
chlamydialA74.81
complicating abortion see Abortion, by type, complicated by, pelvic peritonitis
congenitalP78.1
chronic proliferativeK65.8
diaphragmaticK65.0

See all 72 subterms