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A93.8

A93.8Other specified arthropod-borne viral fevers

Billable / specific codeICD-10-CM

A93.8 is a billable, specific ICD-10-CM code for other specified arthropod-borne viral fevers. It is valid for submission on a claim.

Inclusion terms

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

  • Piry virus disease
  • Vesicular stomatitis virus disease [Indiana fever]

Other codes that can never be billed with A93.8

These codes carry an Excludes1 note pointing at A93.8. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A93.8 alone.

  • B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified

Risk adjustment

A93.8 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

A93.8 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 A93.8 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 A93.8.

  • Heartland virus disease
  • Disease, diseasedHeartland
  • Disease, diseasedNairobi(sheep virus)
  • Disease, diseasedPiry virus
  • FeverIndiana
  • FeverPiry(virus)
  • Fevertick-bite NEC
  • Fevertick-borne NEC(hemorrhagic)
  • Fevervesicular stomatitis
  • Disease, diseasedarthropod-borne NOSspecified type NEC
  • Disease, diseasedviral, virusvesicular stomatitis
  • Feverarbovirus, arboviralspecified NEC

Related codes at this level

Codes that share A93. If A93.8 is not quite right, the correct code is usually one of these.

Questions about A93.8

Is A93.8 a billable ICD-10-CM code?
Yes. A93.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A93.8 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.