B30.9 Viral conjunctivitis, unspecified

Billable ICD-10-CM code, FY2026.

Applies from B30 Viral conjunctivitis

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 077.99 Unspecified diseases of conjunctiva due to viruses

Code annotations containing back-references to B30.9

Back-references to B30

• Type 1 Excludes: H10.23 Serous conjunctivitis, except viral ("viral conjunctivitis (B30.-)")
• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B30.9

• Conjunctivitis (staphylococcal) (streptococcal) NOS › epidemic (viral)
• Conjunctivitis (staphylococcal) (streptococcal) NOS › viral
• Disease, diseased › conjunctiva › viral

Nearby codes

• B30.0 Keratoconjunctivitis due to adenovirus
• B30.1 Conjunctivitis due to adenovirus
• B30.2 Viral pharyngoconjunctivitis
• B30.3 Acute epidemic hemorrhagic conjunctivitis (enteroviral)
• B30.8 Other viral conjunctivitis
• B30.9 Viral conjunctivitis, unspecified (this code)