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ICD-10-CM · FY 2026 APRIL UPDATE

B97

Viral agents as the cause of diseases classified elsewhere

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
B97.0Adenovirus as the cause of diseases classified elsewhereBillable
B97.1Enterovirus as the cause of diseases classified elsewhereCategory
B97.10Unspecified enterovirus as the cause of diseases classified elsewhereBillable
B97.11Coxsackievirus as the cause of diseases classified elsewhereBillable
B97.12Echovirus as the cause of diseases classified elsewhereBillable
B97.19Other enterovirus as the cause of diseases classified elsewhereBillable
B97.2Coronavirus as the cause of diseases classified elsewhereCategory
B97.21SARS-associated coronavirus as the cause of diseases classified elsewhereBillable
B97.29Other coronavirus as the cause of diseases classified elsewhereBillable
B97.3Retrovirus as the cause of diseases classified elsewhereCategory
B97.30Unspecified retrovirus as the cause of diseases classified elsewhereBillable
B97.31Lentivirus as the cause of diseases classified elsewhereBillable
B97.32Oncovirus as the cause of diseases classified elsewhereBillable
B97.33Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhereBillable
B97.34Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhereBillable
B97.35Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhereBillable
B97.39Other retrovirus as the cause of diseases classified elsewhereBillable
B97.4Respiratory syncytial virus as the cause of diseases classified elsewhereBillable
B97.5Reovirus as the cause of diseases classified elsewhereBillable
B97.6Parvovirus as the cause of diseases classified elsewhereBillable
B97.7Papillomavirus as the cause of diseases classified elsewhereBillable
B97.8Other viral agents as the cause of diseases classified elsewhereCategory
B97.81Human metapneumovirus as the cause of diseases classified elsewhereBillable
B97.89Other viral agents as the cause of diseases classified elsewhereBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.