B25.0Billable

Cytomegaloviral pneumonitis

Chapter
1. Certain infectious and parasitic diseases
Category
B25
Effective date
October 1, 2026

Related codes in category B25

Frequently asked questions

What is ICD-10 code B25.0?

B25.0 is an ICD-10-CM diagnosis code for Cytomegaloviral pneumonitis.

Is B25.0 a billable code?

Yes. B25.0 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is B25.0 in?

B25.0 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B25.0 become effective?

B25.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B25.0?

B25.0 belongs to category B25, which includes 5 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.