DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

A80 Acute poliomyelitis

  • Header · not billable

A80 is not billable. The category heads 7 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Heine-Medin disease → A80.9
  • Polioencephalitis (acute) (bulbar) → A80.9
  • Polioencephalomyelitis (acute) (anterior) → A80.9

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. A80-A89 Viral and prion infections of the central nervous system (A80-A89)
  3. A80 Acute poliomyelitis
Billable codes
7
Subdivisions
6
CC / MCC codes
0 / 5
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in A80

  1. A80.0
    Acute paralytic poliomyelitis, vaccine-associated
    BillableMCC
  2. A80.1
    Acute paralytic poliomyelitis, wild virus, imported
    BillableMCC
  3. A80.2
    Acute paralytic poliomyelitis, wild virus, indigenous
    BillableMCC
  4. A80.3
    Acute paralytic poliomyelitis, other and unspecified
    Header
  5. A80.30
    Acute paralytic poliomyelitis, unspecified
    BillableMCC
  6. A80.39
    Other acute paralytic poliomyelitis
    BillableMCC
  7. A80.4
    Acute nonparalytic poliomyelitis
    Billable
  8. A80.9
    Acute poliomyelitis, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At A80

Excludes1

  • acute flaccid myelitis (G04.82) G04.82

Notes that also apply

Block A80-A89 instructions (Excludes1 3): printed on the block page.

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Heine-Medin disease → A80.9
  • Polioencephalitis (acute) (bulbar) → A80.9
  • Polioencephalomyelitis (acute) (anterior) → A80.9
  • Poliomyelitis (acute) (anterior) (epidemic) → A80.9
  • Paralysis, paralytic (complete) (incomplete)infantile → A80.30
  • Poliomyelitis (acute) (anterior) (epidemic)paralytic → A80.30
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)polioviral (nonparalytic) → A80.4
  • Poliomyelitis (acute) (anterior) (epidemic)abortive → A80.4
  • Poliomyelitis (acute) (anterior) (epidemic)nonparalytic → A80.4
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)poliovirus → A80.9 [G02]
  • Poliomyelitis (acute) (anterior) (epidemic)nonepidemic → A80.9
  • Poliomyelitis (acute) (anterior) (epidemic)spinal, acute → A80.9
  • Poliomyelitis (acute) (anterior) (epidemic)paralyticvaccine-associated → A80.0
  • Poliomyelitis (acute) (anterior) (epidemic)paralyticspecified NEC → A80.39
  • Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)in (due to)poliovirus → A80.9 [G05.3]
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)in (due to)poliovirus → A80.9 [G02]
  • Poliomyelitis (acute) (anterior) (epidemic)paralyticwild virusimported → A80.1
  • Poliomyelitis (acute) (anterior) (epidemic)paralyticwild virusindigenous → A80.2

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy