Certain infectious and parasitic diseases (A00-B99)

Includes:
diseases generally recognized as communicable or transmissible
Use additional
code to identify resistance to antimicrobial drugs (Z16.-)
Excludes 1:
certain localized infections - see body system-related chapters
Excludes 2:
carrier or suspected carrier of infectious disease (Z22.-)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
infectious and parasitic diseases specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)

Intestinal infectious diseases (A00-A09)

A00 Cholera [+]
A01 Typhoid and paratyphoid fevers [+]
A02 Other salmonella infections [+]
Includes: infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
A03 Shigellosis [+]
A04 Other bacterial intestinal infections [+]
Excludes 1: bacterial foodborne intoxications, NEC (A05.-)
tuberculous enteritis (A18.32)
A05 Other bacterial foodborne intoxications, not elsewhere classified [+]
Excludes 1: Clostridium difficile foodborne intoxication and infection (A04.7-)
Escherichia coli infection (A04.0-A04.4)
listeriosis (A32.-)
salmonella foodborne intoxication and infection (A02.-)
toxic effect of noxious foodstuffs (T61-T62)
A06 Amebiasis [+]
Includes: infection due to Entamoeba histolytica
Excludes 1: other protozoal intestinal diseases (A07.-)
Excludes 2: acanthamebiasis (B60.1-)
Naegleriasis (B60.2)
A07 Other protozoal intestinal diseases [+]
A08 Viral and other specified intestinal infections [+]
Excludes 1: influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)
A09 Infectious gastroenteritis and colitis, unspecified
Infectious colitis NOS
Infectious enteritis NOS
Infectious gastroenteritis NOS
Excludes 1: colitis NOS (K52.9)
diarrhea NOS (R19.7)
enteritis NOS (K52.9)
gastroenteritis NOS (K52.9)
noninfective gastroenteritis and colitis, unspecified (K52.9)

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