Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes A00-B99 – Certain infectious and parasitic diseases (A00-B99) > 2024 ICD-10-CM Codes A00-A09 – Intestinal infectious diseases (A00-A09) > 2024 ICD-10-CM Codes A08 – Viral and other specified intestinal infections (A08) > 2024 ICD-10-CM Codes A08.1 – Acute gastroenteropathy due to Norwalk agent and other small round viruses (A08.1)