ICD-10 Code A80.0 – Acute paralytic poliomyelitis, vaccine-associated (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A80.0 – Acute paralytic poliomyelitis, vaccine-associated
What it is
A80.0 identifies acute paralytic poliomyelitis linked to vaccine exposure. Use it for documented vaccine-associated paralytic polio, not for nonspecific post-vaccination symptoms.
Clinical signs
Clinical features vary; refer to documentation. Typical findings include acute flaccid weakness or paralysis with reduced reflexes, consistent with paralytic poliomyelitis after vaccine exposure.
When to use this code
Use A80.0 when the record clearly states vaccine-associated paralytic poliomyelitis or equivalent wording. You may also use it when the clinician documents acute paralytic polio after a recent poliovirus vaccination and confirms the association.
Check documentation if the note only mentions weakness, fever, or another neurologic complaint without a confirmed paralytic poliomyelitis diagnosis. Code the documented condition instead of assuming vaccine causation.
Do not use for
Do not use this code for nonparalytic poliomyelitis, suspected exposure, or routine vaccine reactions. It is also incorrect when the chart does not link the paralysis to vaccination.
Coding tip
Verify that both paralysis and vaccine association are explicitly documented before assigning A80.0.