ICD-10-CM B30 is the diagnosis code for Viral conjunctivitis. 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 B30. They are mutually exclusive:
Understanding where B30 sits in the ICD-10-CM classification helps ensure proper coding:
No, B30 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
B30 is the ICD-10-CM diagnosis code for "Viral conjunctivitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
B30 is located in Section B25-B34 — "Other viral diseases" within Chapter 1 of the ICD-10-CM Tabular List.
B30 has 6 sub-code(s) that provide more specific detail: B30.0, B30.1, B30.2, B30.3, B30.8 and more.
Use B30 when the patients documented diagnosis matches "Viral conjunctivitis" 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 conjunctivitis is B30.
No, B30 is non-billable. Use a more specific sub-code for primary diagnosis billing.
B30 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for B30 include: herpesviral [herpes simplex] ocular disease (B00.5); ocular zoster (B02.3).
Yes, B30 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.