B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis

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

Applicable to

• Herpesviral pharyngitis

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) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 054.2 Herpetic gingivostomatitis

Code annotations containing back-references to B00.2

Back-references to B00.2

• Type 1 Excludes: J02.8 Acute pharyngitis due to other specified organisms ("acute pharyngitis due to herpes [simplex] virus (B00.2)")
• Type 1 Excludes: J03.8 Acute tonsillitis due to other specified organisms ("herpesviral pharyngotonsillitis (B00.2)")
• Type 1 Excludes: K05.0 Acute gingivitis ("herpesviral [herpes simplex] gingivostomatitis (B00.2)")
• Type 1 Excludes: K12 Stomatitis and related lesions ("herpesviral [herpes simplex] gingivostomatitis (B00.2)")

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 B00.2

• Gingivostomatitis › herpesviral
• Herpes, herpesvirus, herpetic › gingivostomatitis
• Herpes, herpesvirus, herpetic › pharyngitis, pharyngotonsillitis
• Herpes, herpesvirus, herpetic › stomatitis
• Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral) › herpesviral
• Pharyngotonsillitis, herpesviral
• Sore › throat (acute) › herpesviral
• Stomatitis (denture) (ulcerative) › herpesviral, herpetic

Nearby codes

• B00 Herpesviral [herpes simplex] infections
• B00.0 Eczema herpeticum
• B00.1 Herpesviral vesicular dermatitis
• B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis (this code)
• B00.3 Herpesviral meningitis
• B00.4 Herpesviral encephalitis
• B00.5 Herpesviral ocular disease
• B00.50 Herpesviral ocular disease, unspecified
• B00.51 Herpesviral iridocyclitis