B33.4Billable
Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B33
- Effective date
- October 1, 2026
Related codes in category B33
B33Other viral diseases, not elsewhere classifiedB33.0Epidemic myalgiaYesB33.1Ross River diseaseYesB33.2Viral carditisB33.20Viral carditis, unspecifiedYesB33.21Viral endocarditisYesB33.22Viral myocarditisYesB33.23Viral pericarditisYesB33.24Viral cardiomyopathyYesB33.3Retrovirus infections, not elsewhere classifiedYesB33.8Other specified viral diseasesYes
Frequently asked questions
What is ICD-10 code B33.4?
B33.4 is an ICD-10-CM diagnosis code for Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS].
Is B33.4 a billable code?
Yes. B33.4 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is B33.4 in?
B33.4 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B33.4 become effective?
B33.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B33.4?
B33.4 belongs to category B33, which includes 11 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.