B02.33 Zoster keratitis

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

Applicable to

• Herpes zoster keratoconjunctivitis

Applies from B02 Zoster [herpes zoster]

Includes

• shingles
• zona

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 053.21 Herpes zoster keratoconjunctivitis

Code annotations containing back-references to B02.33

Back-references to B02.3

• Type 1 Excludes: B30 Viral conjunctivitis ("ocular zoster (B02.3)")

Back-references to B02

• Type 2 Excludes: B10 Other human herpesviruses ("herpes zoster (B02.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus 3 (B01.-, B02.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("zoster (B02.-)")
• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B02.33

• Herpes, herpesvirus, herpetic › cornea
• Herpes, herpesvirus, herpetic › keratitis (simplex) (dendritic) (disciform) (interstitial) › zoster (interstitial)
• Herpes, herpesvirus, herpetic › keratoconjunctivitis (simplex) › zoster
• Herpes, herpesvirus, herpetic › zoster › keratitis (interstitial)
• Keratitis (nodular) (nonulcerative) (simple) (zonular) › herpes, herpetic (simplex) › zoster
• Keratitis (nodular) (nonulcerative) (simple) (zonular) › in (due to) › zoster
• Keratitis (nodular) (nonulcerative) (simple) (zonular) › interstitial (nonsyphilitic) › herpes, herpetic (simplex) › zoster
• Keratoconjunctivitis › herpes, herpetic (simplex) › zoster

Nearby codes

• B02.29 Other postherpetic nervous system involvement
• B02.3 Zoster ocular disease
• B02.30 Zoster ocular disease, unspecified
• B02.31 Zoster conjunctivitis
• B02.32 Zoster iridocyclitis
• B02.33 Zoster keratitis (this code)
• B02.34 Zoster scleritis
• B02.39 Other herpes zoster eye disease
• B02.7 Disseminated zoster
• B02.8 Zoster with other complications
• B02.9 Zoster without complications