B33.4 – Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
ICD-10-CM 2027 diagnosis code · Other viral diseases
ICD-10-CM code
B33.4
- Code
B33.4(claims format:B334)- Description
- Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B25-B34 Other viral diseases
- Parent codes
- B33
Notes for B33.4
Applicable to:
- Hantavirus disease with pulmonary manifestations
- Sin nombre virus disease
Excludes1 (not coded here):
Use additional code:
- code to identify any associated acute kidney failure (N17.9)
Index terms for B33.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Syndrome, hantavirus
- Sin Nombre virus disease
- Disease, diseased, sin nombre virus
- Disease, diseased, viral, virus, Sin nombre
- Hantavirus disease, with pulmonary manifestations
- Disease, diseased, Hantavirus, with pulmonary manifestations
- Disease, diseased, viral, virus, Hanta, with pulmonary manifestations
Related codes in B33
Frequently asked questions
What is ICD-10 code B33.4?
B33.4 is the ICD-10-CM code for hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS], in the block B25-B34 (Other viral diseases).
Is B33.4 a billable code?
Yes. B33.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B33.4 belong to?
It belongs to category B33 – Other viral diseases, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.