A80 – Acute poliomyelitis
ICD-10-CM 2027 diagnosis code · Viral and prion infections of the central nervous system
ICD-10-CM code
A80
- Code
A80(claims format:A80)- Description
- Acute poliomyelitis
- 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
- A80-A89 Viral and prion infections of the central nervous system
Billable codes under A80
A80 is a header code and cannot be used on claims. Choose the most specific code:
- A80.0 – Acute paralytic poliomyelitis, vaccine-associatedBillable
- A80.1 – Acute paralytic poliomyelitis, wild virus, importedBillable
- A80.2 – Acute paralytic poliomyelitis, wild virus, indigenousBillable
- A80.3 – Acute paralytic poliomyelitis, other and unspecifiedHeader (more codes below)
- A80.4 – Acute nonparalytic poliomyelitisBillable
- A80.9 – Acute poliomyelitis, unspecifiedBillable
Notes for A80
Excludes1 (not coded here):
- acute flaccid myelitis (G04.82)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block A80-A89
Frequently asked questions
What is ICD-10 code A80?
A80 is the ICD-10-CM code for acute poliomyelitis, in the block A80-A89 (Viral and prion infections of the central nervous system).
Is A80 a billable code?
No. A80 is a header code with more specific child codes; report one of the billable codes listed above.
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.