2026 ICD-10-CM Diagnosis Code A80Acute poliomyelitis

ICD-10-CM Codes›A00–B99›A80-A89›A80

ICD-10-CM A80
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A80 is a non-billable ICD-10-CM category code for acute poliomyelitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as A80.0, A80.1, A80.2, and A80.30.

Code Identity

ICD-10-CM Code
A80
Billable Status
No — Non-Billable Category
Code Describes
Acute poliomyelitis
Chapter
A80-A89
Viral and prion infections of the central nervous system

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA80-A89Viral and prion infections of the central nervous system
CategoryA80Acute poliomyelitis
This CodeA80Acute poliomyelitis

Specific Coding for Acute poliomyelitisOverview

Non-specific codes like A80 require more characters. Use one of these billable codes instead:

  • Use A80.0 for Acute paralytic poliomyelitis, vaccine-associated

  • Use A80.1 for Acute paralytic poliomyelitis, wild virus, imported

  • Use A80.2 for Acute paralytic poliomyelitis, wild virus, indigenous

  • A80.3 for Acute paralytic poliomyelitis, other and unspecified

  • Use A80.30 for Acute paralytic poliomyelitis, unspecified

  • Use A80.39 for Other acute paralytic poliomyelitis

  • Use A80.4 for Acute nonparalytic poliomyelitis

  • Use A80.9 for Acute poliomyelitis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • acute flaccid myelitis G04.82

Patient EducationClinical

Polio and Post-Polio Syndrome

Polio, or poliomyelitis, is a disease that spreads from person to person. It is caused by the poliovirus. The virus attacks the nervous system. In serious cases, it can cause paralysis (where you can't move parts of the body). The paralysis may be lifelong and can sometimes be life-threatening.

The full article covers:

  • What is polio?
  • How does polio spread?
  • Who is more likely to develop polio?
  • What are the symptoms of polio?
  • What is post-polio syndrome (PPS)?
  • How is polio diagnosed?
  • What are the treatments for polio and post-polio syndrome (PPS)?
  • Can polio be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A80Overview

Is A80 (Acute poliomyelitis) a billable code?

No. This is a category header that groups the codes for acute poliomyelitis, and headers cannot be submitted on claims. Claims for acute poliomyelitis need a more specific code from this category, such as A80.0, A80.1, and A80.2.