B00.51 Herpesviral iridocyclitis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Herpesviral iritis
• Herpesviral uveitis, anterior

Applies from B00 Herpesviral [herpes simplex] infections

Excludes1 (never code together)

• congenital herpesviral infections (P35.2)

Excludes2 (not included here)

• anogenital herpesviral infection (A60.-)
• gammaherpesviral mononucleosis (B27.0-)
• herpangina (B08.5)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 054.44 Herpes simplex iridocyclitis

Code annotations containing back-references to B00.51

Back-references to B00.51

• Type 1 Excludes: H20.0 Acute and subacute iridocyclitis ("iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51)")

Back-references to B00.5

• Type 1 Excludes: B30 Viral conjunctivitis ("herpesviral [herpes simplex] ocular disease (B00.5)")

Back-references to B00

• Type 2 Excludes: B10 Other human herpesviruses ("herpes simplex (B00.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus NOS (B00.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus 1 and 2 (B00.-)")
• Code Also: D81.82 Activated Phosphoinositide 3-kinase Delta Syndrome [APDS] ("herpes virus infections (B00.-)")
• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B00.51

• Herpes, herpesvirus, herpetic › iridocyclitis (simplex)
• Herpes, herpesvirus, herpetic › iritis (simplex)
• Iridocyclitis › herpes, herpetic (simplex)
• Iridocyclitis › in (due to) › herpes (simplex) virus
• Iritis › due to › herpes simplex

Nearby codes

• B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis
• B00.3 Herpesviral meningitis
• B00.4 Herpesviral encephalitis
• B00.5 Herpesviral ocular disease
• B00.50 Herpesviral ocular disease, unspecified
• B00.51 Herpesviral iridocyclitis (this code)
• B00.52 Herpesviral keratitis
• B00.53 Herpesviral conjunctivitis
• B00.59 Other herpesviral disease of eye
• B00.7 Disseminated herpesviral disease
• B00.8 Other forms of herpesviral infections