B10 vs B25.9
B10 (Other human herpesviruses) compared with B25.9 (Cytomegaloviral disease, unspecified), 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 B25.9: “cytomegalovirus (B25.9)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. B10 carries an Excludes2 note covering B25.9: “human herpesvirus 5 (B25.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| B10Other human herpesviruses | B25.9Cytomegaloviral disease, unspecified | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) |
| Definition | Other human herpesviruses is a non-billable ICD-10-CM category code (B10). | Cytomegaloviral disease, unspecified is a billable ICD-10-CM diagnosis code (B25.9). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources