ICD10BillableValid for clinical use
ICD-10 Code A05.2: Foodborne Clostridium perfringens [Clostridium welchii] intoxication
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 foodborne clostridium perfringens [clostridium welchii] intoxication 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
Official coding notes
Inclusion terms
- Enteritis necroticans
- Pig-bel
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 poisoningcodeA05.3Foodborne Vibrio parahaemolyticus intoxicationcodeA05.4Foodborne Bacillus cereus intoxicationcodeA05.5Foodborne Vibrio vulnificus intoxicationcodeA05.8Other specified bacterial foodborne intoxicationscodeA05.9Bacterial foodborne intoxication, unspecifiedcode
Sibling codes
A05.0Foodborne staphylococcal intoxicationbillableA05.1Botulism food poisoningbillableA05.3Foodborne Vibrio parahaemolyticus intoxicationbillableA05.4Foodborne Bacillus cereus intoxicationbillableA05.5Foodborne Vibrio vulnificus intoxicationbillableA05.8Other specified bacterial foodborne intoxicationsbillableA05.9Bacterial foodborne intoxication, unspecifiedbillable
Coverage-related procedures and services
CPT 87505high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); GASTROINTESTINAL PATHOGEN (EG, CLOSTRIDIUM DIFFICILE, E. COLI, SALMONELLA, SHIGELLA, NOROVIRUS, GIARDIA), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 3-5 TARGETS
Source: CMS coverage guidance
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
Mapped diagnoses and classifications
SNOMED_CT 39747007high
Enteritis necroticans
Source: SNOMED International ICD-10 map
SNOMED_CT 70014009high
Food poisoning caused by Clostridium perfringens
Source: SNOMED International ICD-10 map
SNOMED_CT 66218005high
Infection caused by Clostridium perfringens type A
Source: SNOMED International ICD-10 map
SNOMED_CT 89861008high
Infection caused by Clostridium perfringens type B
Source: SNOMED International ICD-10 map
SNOMED_CT 46609008high
Infection caused by Clostridium perfringens type C
Source: SNOMED International ICD-10 map
SNOMED_CT 82051003high
Infection caused by Clostridium perfringens type D
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
A05.2
Common synonyms
Foodborne Clostridium perfringens [Clostridium welchii] 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.