B25 Cytomegaloviral disease

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Cytomegaloviral disease is B25 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
B25-B34: Other viral diseases (B25-B34)
Category B25
6 codes (5 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with B25.
  • congenital cytomegalovirus infection (P35.1)
  • cytomegaloviral mononucleosis (B27.1-)

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference B25 with the canonical source and edition:

B25 — Cytomegaloviral disease. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/B25

Canonical URL: https://icd10codingpro.com/codes/B25

Related Codes

More Specific Codes

B25.0 Cytomegaloviral pneumonitis B25.1 Cytomegaloviral hepatitis B25.2 Cytomegaloviral pancreatitis B25.8 Other cytomegaloviral diseases B25.9 Cytomegaloviral disease, unspecified

All Codes in B25

Every most-specific code under B25 Cytomegaloviral disease (5 codes):

Show the complete B25 code list
B25.0 Cytomegaloviral pneumonitis B25.1 Cytomegaloviral hepatitis B25.2 Cytomegaloviral pancreatitis B25.8 Other cytomegaloviral diseases B25.9 Cytomegaloviral disease, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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