B00.81 vs B16
B00.81 (Herpesviral hepatitis) compared with B16 (Acute hepatitis B), 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. B16 carries an Excludes2 note covering B00.81: “herpesviral [herpes simplex] hepatitis (B00.81)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| B00.81Herpesviral hepatitis | B16Acute hepatitis B | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) |
| Definition | Herpesviral hepatitis is a billable ICD-10-CM diagnosis code (B00.81). | Acute hepatitis B is a non-billable ICD-10-CM category code (B16). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources