ICD10BillableValid for clinical use
ICD-10 Code A05.9: Bacterial foodborne intoxication, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents bacterial foodborne intoxication, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
A00-A09Intestinal infectious diseases
category
A05Other bacterial foodborne intoxications, not elsewhere classified
currentA05
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral Physician
Related codes
A05.0Foodborne staphylococcal intoxicationcodeA05.1Botulism food poisoningcodeA05.2Foodborne Clostridium perfringens [Clostridium welchii] intoxicationcodeA05.3Foodborne Vibrio parahaemolyticus intoxicationcodeA05.4Foodborne Bacillus cereus intoxicationcodeA05.5Foodborne Vibrio vulnificus intoxicationcodeA05.8Other specified bacterial foodborne intoxicationscode
Sibling codes
A05.0Foodborne staphylococcal intoxicationbillableA05.1Botulism food poisoningbillableA05.2Foodborne Clostridium perfringens [Clostridium welchii] intoxicationbillableA05.3Foodborne Vibrio parahaemolyticus intoxicationbillableA05.4Foodborne Bacillus cereus intoxicationbillableA05.5Foodborne Vibrio vulnificus intoxicationbillableA05.8Other specified bacterial foodborne intoxicationsbillable
Coverage-related procedures and services
HCPCS G0255high
CURRENT PERCEPTION THRESHOLD/SENSORY NERVE CONDUCTION TEST, (SNCT) PER LIMB, ANY NERVE
Source: CMS coverage guidance
CPT 95905high
MOTOR AND/OR SENSORY NERVE CONDUCTION, USING PRECONFIGURED ELECTRODE ARRAY(S), AMPLITUDE AND LATENCY/VELOCITY STUDY, EACH LIMB, INCLUDES F-WAVE STUDY WHEN PERFORMED, WITH INTERPRETATION AND REPORT
Source: CMS coverage guidance
CPT 95907high
NERVE CONDUCTION STUDIES; 1-2 STUDIES
Source: CMS coverage guidance
CPT 95912high
NERVE CONDUCTION STUDIES; 11-12 STUDIES
Source: CMS coverage guidance
CPT 95913high
NERVE CONDUCTION STUDIES; 13 OR MORE STUDIES
Source: CMS coverage guidance
CPT 95908high
NERVE CONDUCTION STUDIES; 3-4 STUDIES
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 216762001high
Accidental poisoning from meat
Source: SNOMED International ICD-10 map
SNOMED_CT 66107000high
Bacterial food poisoning
Source: SNOMED International ICD-10 map
SNOMED_CT 416482004high
Food-borne gastroenteritis
Source: SNOMED International ICD-10 map
SNOMED_CT 281107009high
Infective food poisoning
Source: SNOMED International ICD-10 map
SNOMED_CT 446438003high
Poisoning by ingestion of fish contaminated by bacteria
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
A05.9
Common synonyms
Bacterial foodborne intoxication, unspecifiedBacterial foodborne intoxication
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.