All ICD10 Codes

A28

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Other zoonotic bacterial diseases, not elsewhere classified

Use a more specific code (5 billable)
A28.0PasteurellosisA28.1Cat-scratch diseaseA28.2Extraintestinal yersiniosisA28.8Other specified zoonotic bacterial diseases, not elsewhere classifiedA28.9Zoonotic bacterial disease, 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)
A20-A28Certain zoonotic bacterial diseases (A20-A28)
A28Other zoonotic bacterial diseases, not elsewhere classifiedNot billable
A28.0PasteurellosisBillable
A28.1Cat-scratch diseaseBillable
A28.2Extraintestinal yersiniosisBillable
A28.8Other specified zoonotic bacterial diseases, not elsewhere classifiedBillable
A28.9Zoonotic bacterial disease, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A28:

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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