A98.5 vs B33.4
A98.5 (Hemorrhagic fever with renal syndrome) compared with B33.4 (Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. A98.5 carries an Excludes1 note covering B33.4: “hantavirus (cardio)-pulmonary syndrome (B33.4)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. B33.4 carries an Excludes1 note covering A98.5: “hantavirus disease with renal manifestations (A98.5)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. B33.4 carries an Excludes1 note covering A98.5: “hemorrhagic fever with renal manifestations (A98.5)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A98.5Hemorrhagic fever with renal syndrome | B33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS] | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) |
| Definition | Hemorrhagic fever with renal syndrome is a billable ICD-10-CM diagnosis code (A98.5). | Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS] is a billable ICD-10-CM diagnosis code (B33.4). |
| Includes | Epidemic hemorrhagic fever Korean hemorrhagic fever Russian hemorrhagic fever Hantaan virus disease | Hantavirus disease with pulmonary manifestations Sin nombre virus disease |
| Use additional code | — | code to identify any associated acute kidney failure (N17.9) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources