A42.2 Cervicofacial actinomycosis

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

Applies from A42 Actinomycosis

Excludes1 (never code together)

• actinomycetoma (B47.1)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 039.3 Cervicofacial actinomycotic infection

Diagnosis Index entries for A42.2

• Actinomycosis, actinomycotic › cervicofacial
• Disease, diseased › Rivalta's (cervicofacial actinomycosis)
• Rivalta's disease

Nearby codes

• A42 Actinomycosis
• A42.0 Pulmonary actinomycosis
• A42.1 Abdominal actinomycosis
• A42.2 Cervicofacial actinomycosis (this code)
• A42.7 Actinomycotic sepsis
• A42.8 Other forms of actinomycosis
• A42.81 Actinomycotic meningitis
• A42.82 Actinomycotic encephalitis
• A42.89 Other forms of actinomycosis