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A94

A94Unspecified arthropod-borne viral fever

Billable / specific codeICD-10-CM

A94 is a billable, specific ICD-10-CM code for unspecified arthropod-borne viral fever. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Arboviral fever NOS
  • Arbovirus infection NOS

Risk adjustment

A94 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

A94 is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58761Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

How A94 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A94.

  • Disease, diseasedarthropod-borne NOS(viral)
  • Feverarbovirus, arboviral
  • Feverhemorrhagic NOS(arthropod-borne)
  • Infection, infected, infectivearbovirus(arbor virus)
  • Disease, diseasedviral, virusarbovirus NOS
  • Disease, diseasedviral, virusarthropod-borne NOS
  • Feverarbovirus, arboviralhemorrhagic
  • Infection, infected, infectivevirus, viral NOSarborvirus, arbovirus arthropod-borne

Questions about A94

Is A94 a billable ICD-10-CM code?
Yes. A94 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A94 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.