B30 – Viral conjunctivitis
ICD-10-CM 2027 diagnosis code · Other viral diseases
ICD-10-CM code
B30
- Code
B30(claims format:B30)- Description
- Viral conjunctivitis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B25-B34 Other viral diseases
Billable codes under B30
B30 is a header code and cannot be used on claims. Choose the most specific code:
- B30.0 – Keratoconjunctivitis due to adenovirusBillable
- B30.1 – Conjunctivitis due to adenovirusBillable
- B30.2 – Viral pharyngoconjunctivitisBillable
- B30.3 – Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- B30.8 – Other viral conjunctivitisBillable
- B30.9 – Viral conjunctivitis, unspecifiedBillable
Notes for B30
Frequently asked questions
What is ICD-10 code B30?
B30 is the ICD-10-CM code for viral conjunctivitis, in the block B25-B34 (Other viral diseases).
Is B30 a billable code?
No. B30 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.