A32.1 – Listerial meningitis and meningoencephalitis
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A32.1
- Code
A32.1(claims format:A321)- Description
- Listerial meningitis and meningoencephalitis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A30-A49 Other bacterial diseases
- Parent codes
- A32
Billable codes under A32.1
A32.1 is a header code and cannot be used on claims. Choose the most specific code:
- A32.11 – Listerial meningitisBillable
- A32.12 – Listerial meningoencephalitisBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A32 – Listeriosis
Includes:
- listerial foodborne infection
Excludes1 (not coded here):
- neonatal (disseminated) listeriosis (P37.2)
Related codes in A32
- A32.0 – Cutaneous listeriosisBillable
- A32.7 – Listerial sepsisBillable
- A32.8 – Other forms of listeriosisHeader
- A32.9 – Listeriosis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code A32.1?
A32.1 is the ICD-10-CM code for listerial meningitis and meningoencephalitis, in the block A30-A49 (Other bacterial diseases).
Is A32.1 a billable code?
No. A32.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does A32.1 belong to?
It belongs to category A32 – Listeriosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.