Non-Billable / Non-Specific Code
ICD-10-CM B25 is the diagnosis code for Cytomegaloviral disease. This code falls under the section "Other viral diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as B25. They are mutually exclusive:
Understanding where B25 sits in the ICD-10-CM classification helps ensure proper coding:
No, B25 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
B25 is the ICD-10-CM diagnosis code for "Cytomegaloviral disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
B25 is located in Section B25-B34 — "Other viral diseases" within Chapter 1 of the ICD-10-CM Tabular List.
B25 has 5 sub-code(s) that provide more specific detail: B25.0, B25.1, B25.2, B25.8, B25.9.
Use B25 when the patients documented diagnosis matches "Cytomegaloviral disease" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Cytomegaloviral disease is B25.
No, B25 is non-billable. Use a more specific sub-code for primary diagnosis billing.
B25 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for B25 include: congenital cytomegalovirus infection (P35.1); cytomegaloviral mononucleosis (B27.1-).
Yes, B25 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.