All ICD10 Codes

A00

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Cholera

Use a more specific code (3 billable)
A00.0Cholera due to Vibrio cholerae 01, biovar choleraeA00.1Cholera due to Vibrio cholerae 01, biovar eltorA00.9Cholera, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A00-A09Intestinal infectious diseases (A00-A09)
A00CholeraNot billable
A00.0Cholera due to Vibrio cholerae 01, biovar choleraeBillable
A00.1Cholera due to Vibrio cholerae 01, biovar eltorBillable
A00.9Cholera, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A00:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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