ICD-10-CM Tabular Index · Chapter 1 · FY 2027 A00

Cholera (A00) ICD-10-CM

The A00 code range covers cholera with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
4
Diagnosis Codes
3
Billable Codes
A00
Code Range
A00–A09
Parent Section
ICD-10-CM

Codes in the A00 Range 4 codes · 3 billable

4 of 4 shown
  • A00 CholeraNon-billable
  • A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae
  • A00.1 Cholera due to Vibrio cholerae 01, biovar eltor
  • A00.9 Cholera, unspecified

Clinical Terms in This Code Range

Definitions from the National Library of Medicine for conditions coded in the A00 range.

Cholera

An acute diarrheal disease endemic in India and Southeast Asia whose causative agent is VIBRIO CHOLERAE. This condition can lead to severe dehydration in a matter of hours unless quickly treated.

About the A00 Code Range

Cholera is a sudden diarrheal illness caused by Vibrio cholerae. It can lead to severe dehydration within hours.

The subdivisions distinguish cholera caused by Vibrio cholerae 01, biovar cholerae (A00.0), from cholera caused by biovar eltor (A00.1). A00.9 identifies cholera without a specified type.

Questions About This Page

How many billable codes are in the A00 range?

Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.

What does the A00 range classify?

The range classifies cholera. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.