ICD-10 Code B96.7 – Clostridium perfringens [C. perfringens] as the cause of diseases classified elsewhere (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B96.7 – Clostridium perfringens [C. perfringens] as the cause of diseases classified elsewhere
What it is
This code identifies Clostridium perfringens as the infectious agent responsible for another condition, rather than the primary diagnosis. Use it when the record links this organism to a separate disease process.
Clinical signs
Clinical features vary; refer to documentation. Findings may reflect the underlying infection caused by C. perfringens, such as signs of a localized or invasive bacterial process.
When to use this code
Use B96.7 when the provider documents C. perfringens as the cause of a disease classified elsewhere, and another code describes the main condition. It is commonly paired with codes for the site or complication being treated. Check documentation if the organism is only suspected or not clearly linked.
Do not use for
Do not use this code as the principal diagnosis or for unrelated clostridial infections. Do not apply it when the chart does not clearly identify C. perfringens as the causative organism.
Coding tip
Always sequence B96.7 with the code for the underlying condition, and verify that the documentation names C. perfringens specifically.