A05.1
Billable codeBotulism food poisoning
The ICD-10 code for botulism food poisoning is A05.1.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Botulism NOS
- Classical foodborne intoxication due to Clostridium botulinum
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- A05.0Foodborne staphylococcal intoxication
- A05.2Foodborne Clostridium perfringens [Clostridium welchii] intoxication
- A05.3Foodborne Vibrio parahaemolyticus intoxication
- A05.4Foodborne Bacillus cereus intoxication
- A05.5Foodborne Vibrio vulnificus intoxication
- A05.8Other specified bacterial foodborne intoxications
- A05.9Bacterial foodborne intoxication, unspecified
- A05.1Botulism food poisoning
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 0051
Associated MS-DRGs
A05.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.