DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

A05 Other bacterial foodborne intoxications, not elsewhere classified

  • Header · not billable

A05 is not billable. The category heads 8 billable codes in FY2027: the 8 codes directly below it.

Index → code

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. A00-A09 Intestinal infectious diseases (A00-A09)
  3. A05 Other bacterial foodborne intoxications, not elsewhere classified
Billable codes
8
Subdivisions
8
CC / MCC codes
7 / 0
HCC V28 codes
0
New FY2027
0
Index entries
44

Codes in A05

  1. A05.0
    Foodborne staphylococcal intoxication
    BillableCC
  2. A05.1
    Botulism food poisoning
    BillableCC
    Inclusion terms 2, Excludes1 2

    Inclusion terms

    • Botulism NOS
    • Classical foodborne intoxication due to Clostridium botulinum

    Excludes1

    • infant botulism (A48.51) A48.51
    • wound botulism (A48.52) A48.52
  3. A05.2
    Foodborne Clostridium perfringens [Clostridium welchii] intoxication
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Enteritis necroticans
    • Pig-bel
  4. A05.3
    Foodborne Vibrio parahaemolyticus intoxication
    BillableCC
  5. A05.4
    Foodborne Bacillus cereus intoxication
    BillableCC
  6. A05.5
    Foodborne Vibrio vulnificus intoxication
    BillableCC
  7. A05.8
    Other specified bacterial foodborne intoxications
    BillableCC
  8. A05.9
    Bacterial foodborne intoxication, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At A05

Excludes1

  • Clostridium difficile foodborne intoxication and infection (A04.7-) A04.7
  • Escherichia coli infection (A04.0-A04.4) A04.0 A04.4
  • listeriosis (A32.-) A32
  • salmonella foodborne intoxication and infection (A02.-) A02
  • toxic effect of noxious foodstuffs (T61-T62) T61 T62

Notes that also apply

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Botulism (foodborne intoxication) → A05.1
  • Pig-bel → A05.2
  • Creotoxism → A05.9
  • Kreotoxism → A05.9
  • Poisoning (acute)Staphylococcus, food → A05.0
  • Toxemiastaphylococcal, due to food → A05.0
  • Poisoning (acute)botulism → A05.1
  • Poisoning (acute)Clostridium botulinum → A05.1
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)necroticans → A05.2
  • Indigestion (acid) (bilious) (functional)due to decomposed food NOS → A05.9
  • Intoxicationfoodborne → A05.9
  • Poisoning (acute)bacterial toxins → A05.9
  • Poisoning (acute)food NEC → A05.9
  • Poisoning (acute)kreotoxism, food → A05.9
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)staphylococcalfoodborne → A05.0
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)staphylococcaldue to food → A05.0
  • Infection, infected, infective (opportunistic)staphylococcal, unspecified sitefood poisoning → A05.0
  • Intoxicationfoodborneenterotoxin, staphylococcal → A05.0
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)Clostridiumbotulinum (food poisoning) → A05.1
  • Infection, infected, infective (opportunistic)Clostridium NECbotulinum (food poisoning) → A05.1
  • Intoxicationfoodborneclassical (Clostridium botulinum) → A05.1
  • Poisoning (acute)Bacillus B (aertrycke) (cholerae (suis)) (paratyphosus) (suipestifer)botulinus → A05.1
  • Infection, infected, infective (opportunistic)Vibrioparahaemolyticus (food poisoning) → A05.3
  • Intoxicationfoodbornebacterial → A05.9
  • Poisoning (acute)epidemic, fish (noxious)bacterial → A05.9
  • Intoxicationfoodbornedue toStaphylococcus → A05.0
  • Poisoning (acute)food NECdue tostaphylococcus → A05.0
  • Infection, infected, infective (opportunistic)Clostridium NECperfringensdue to food → A05.2
  • Infection, infected, infective (opportunistic)Clostridium NECperfringensfoodborne (disease) → A05.2
  • Infection, infected, infective (opportunistic)Clostridium NECwelchiifoodborne (disease) → A05.2
  • Infection, infected, infective (opportunistic)Clostridium NECwelchiinecrotizing enteritis → A05.2
  • Poisoning (acute)food NECdue toClostridium (perfringens) (Welchii) → A05.2
  • Intoxicationfoodbornedue toBacillus cereus → A05.4
  • Infection, infected, infective (opportunistic)Vibriovulnificusfoodborne intoxication → A05.5
  • Intoxicationfoodbornedue tobacterium → A05.9
  • Intoxicationfoodbornedue toClostridiumbotulinum → A05.1
  • Poisoning (acute)food NECdue toBacillus (aertrycke) (choleraesuis) (paratyphosus) (suipestifer)botulinus → A05.1
  • Intoxicationfoodbornedue toClostridiumperfringens → A05.2
  • Intoxicationfoodbornedue toClostridiumwelchii → A05.2
  • Intoxicationfoodbornedue toVibrioparahaemolyticus → A05.3

4 more, longer entries are not listed; the search box finds them by word.

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