B30.1 – Conjunctivitis due to adenovirus

ICD-10-CM 2027 diagnosis code · Other viral diseases

Billable code

ICD-10-CM code B30.1

Code: B30.1 (claims format: B301)
Description: Conjunctivitis due to adenovirus
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: B30

Notes for B30.1

Applicable to:

Acute adenoviral follicular conjunctivitis
Swimming-pool conjunctivitis

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

B30 – Viral conjunctivitis

Excludes1 (not coded here):

herpesviral [herpes simplex] ocular disease (B00.5)
ocular zoster (B02.3)

Index terms for B30.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B30

B30.0 – Keratoconjunctivitis 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

Frequently asked questions

What is ICD-10 code B30.1?

B30.1 is the ICD-10-CM code for conjunctivitis due to adenovirus, in the block B25-B34 (Other viral diseases).

Is B30.1 a billable code?

Yes. B30.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B30.1 belong to?

It belongs to category B30 – Viral conjunctivitis.

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.