B33.1 (Ross River disease) is a billable ICD-10-CM medical diagnosis code in the Certain infectious and parasitic diseases chapter. It identifies cases of ross river disease for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Billable Code

B33.1 — Ross River disease

Chapter A00-B99: Certain infectious and parasitic diseases

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Related diagnoses

B33.0Epidemic myalgiaB33.2Viral carditisB33.3Retrovirus infections, not elsewhere classifiedB33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]B33.8Other specified viral diseases

Common questions about B33.1 (Ross River disease)

What does ICD-10 code B33.1 mean?
B33.1 is the ICD-10-CM 2025 code for Ross River disease. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is B33.1 a billable diagnosis code?
Yes, B33.1 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does B33.1 belong to?
B33.1 belongs to the chapter "Certain infectious and parasitic diseases" (codes A00-B99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Ross River disease?
For a plain-language explanation of Ross River disease, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Ross River disease" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗