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Compare/B10 vs B25

B10 vs B25

B10 (Other human herpesviruses) compared with B25 (Cytomegaloviral disease), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. B10 carries an Excludes2 note covering B25: “human herpesvirus 5 (B25.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

B10Other human herpesvirusesB25Cytomegaloviral disease
Billing statusNon-billable header

Report instead: B10.01, B10.09, B10.81, B10.82, B10.89

Non-billable header

Report instead: B25.0, B25.1, B25.2, B25.8, B25.9

ClassificationA00-B99 — Certain Infectious and Parasitic Diseases (A00-B99)A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99)
DefinitionOther human herpesviruses is a non-billable ICD-10-CM category code (B10).Cytomegaloviral disease is a non-billable ICD-10-CM category code (B25).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources