All ICD10 Codes
A32Non-billable

Listeriosis

Certain Infectious and Parasitic Diseases·Other bacterial diseases (A30-A49)·category·FY 2026

Use a more specific code (3 billable, 2 non-billable)
A32.0Cutaneous listeriosisA32.1Listerial meningitis and meningoencephalitishas subcodesA32.7Listerial sepsisA32.8Other forms of listeriosishas subcodesA32.9Listeriosis, unspecified

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.-)

Instructional Notes

Includes
  • listerial foodborne infection
Excludes1(Not coded here. Use a different code.)
  • neonatal (disseminated) listeriosis (P37.2)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A32ListeriosisNot billable
A32.0Cutaneous listeriosisBillable
A32.1Listerial meningitis and meningoencephalitisSubcodes
A32.7Listerial sepsisBillable
A32.8Other forms of listeriosisSubcodes
A32.9Listeriosis, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.