B33.2

Non-billable

Viral carditis

B33.2 is the ICD-10-CM code for Viral carditis. It is a non-billable category code — use a more specific child code such as B33.20 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Parent
B33
Subcodes
5
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

Includes

  • Coxsackie (virus) carditis

Frequently asked questions

What is ICD-10 code B33.2?
B33.2 is the ICD-10-CM code for "Viral carditis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B33.2 a billable code?
No — B33.2 is a non-billable header code. Use a more specific child code (such as B33.20) for billing.
What are the subcodes of B33.2?
B33.2 has 5 more specific child codes, including B33.20, B33.21, B33.22.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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