Infectious gastroenteritis and colitis, unspecified (A09)

ICD-10 Index
- Certain infectious and parasitic diseases (A00–B99)
  - Intestinal infectious diseases (A00-A09)
    - - A09 - Infectious gastroenteritis and colitis, unspecified BILLABLE CODE

Instructional Notations

Inclusion Terms Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Infectious colitis NOS
Infectious enteritis NOS
Infectious gastroenteritis NOS

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

colitis NOS K52.9
diarrhea NOS R19.7
enteritis NOS K52.9
gastroenteritis NOS K52.9
noninfective gastroenteritis and colitis, unspecified K52.9