B34.9

ICD-10Billable

Viral infection, unspecified

Official ICD-10-CM descriptor (FY2026)

Viral infection, unspecified

B34.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Viremia NOS

Related codes in B34

B34.0Adenovirus infection, unspecified
B34.1Enterovirus infection, unspecified
B34.2Coronavirus infection, unspecified
B34.3Parvovirus infection, unspecified
B34.4Papovavirus infection, unspecified
B34.8Other viral infections of unspecified site

Where this code sits

Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: Other viral diseases (B25-B34)
Parent code: B34

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.