A00.9
Billable

Cholera, unspecified

Billable / Specific Code

What is Cholera, unspecified?

ICD-10-CM A00.9 is the diagnosis code for Cholera, unspecified. This code falls under the section "Intestinal infectious diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for A00.9

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where A00.9 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is A00.9 a billable ICD-10-CM code?

Yes, A00.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A00.9 mean?

A00.9 is the ICD-10-CM diagnosis code for "Cholera, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A00.9?

The parent code of A00.9 is A00 ("Cholera"). A00.9 provides a more specific classification within this category.

What section is A00.9 in?

A00.9 is located in Section A00-A09 — "Intestinal infectious diseases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A00.9?

Use A00.9 when the patients documented diagnosis matches "Cholera, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Cholera, unspecified?

The ICD-10-CM code for Cholera, unspecified is A00.9.

Can A00.9 be used for primary diagnosis?

Yes, A00.9 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A00.9 in?

A00.9 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A00.9 valid for 2026?

Yes, A00.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA00.1Cholera due to Vibrio cholerae 01, biovar eltorNext →A01Typhoid and paratyphoid fevers
Code Details
A00.9
Cholera, unspecified
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A00-A09 — Intestinal infectious diseases
2026 ICD-10-CM