ICD-10 Code A00.1 – Cholera due to Vibrio cholerae 01, biovar eltor (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A00.1 – Cholera due to Vibrio cholerae 01, biovar eltor
What it is
This code identifies cholera caused by Vibrio cholerae 01, biovar eltor. Use it when the record confirms this specific organism and biovar as the cause of the infection.
Clinical signs
Clinical features vary; refer to documentation. Cholera typically presents with acute watery diarrhea and may include vomiting, dehydration, and rapid fluid loss.
When to use this code
Use A00.1 when the provider documents cholera due to Vibrio cholerae 01, biovar eltor. Apply it for confirmed cases in which the organism is identified in the medical record. If the biovar is not specified, check documentation before coding.
Do not use for
Do not use this code for unspecified cholera or cholera caused by a different Vibrio cholerae strain. Also avoid it when the chart only mentions suspected infection without confirmation.
Coding tip
Code the most specific organism wording documented, and verify whether the biovar is explicitly stated.