Non-Billable / Non-Specific Code
ICD-10-CM B34 is the diagnosis code for Viral infection of unspecified site. 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 B34. They are mutually exclusive:
Understanding where B34 sits in the ICD-10-CM classification helps ensure proper coding:
No, B34 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
B34 is the ICD-10-CM diagnosis code for "Viral infection of unspecified site". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
B34 is located in Section B25-B34 — "Other viral diseases" within Chapter 1 of the ICD-10-CM Tabular List.
B34 has 7 sub-code(s) that provide more specific detail: B34.0, B34.1, B34.2, B34.3, B34.4 and more.
Use B34 when the patients documented diagnosis matches "Viral infection of unspecified site" 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 Viral infection of unspecified site is B34.
No, B34 is non-billable. Use a more specific sub-code for primary diagnosis billing.
B34 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for B34 include: anogenital human papillomavirus infection (A63.0); cytomegaloviral disease NOS (B25.9); herpesvirus [herpes simplex] infection NOS (B00.9) and more.
Yes, B34 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.