ICD-10-CM Diagnosis Code (2025)
Official Description for A42
Actinomycosis
Coding Notes & Guidelines for A42
Excludes1: Not Coded Here
actinomycetoma (B47.1)
Child Codes (More Specific Codes for A42):
A42.0 - Pulmonary actinomycosis
A42.1 - Abdominal actinomycosis
A42.2 - Cervicofacial actinomycosis
A42.7 - Actinomycotic sepsis
A42.8 - Other forms of actinomycosis
A42.81 - Actinomycotic meningitis
A42.82 - Actinomycotic encephalitis
A42.89 - Other forms of actinomycosis
A42.9 - Actinomycosis, unspecified
About ICD-10-CM Code A42 (Actinomycosis)
ICD-10-CM code A42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A42 became effective on October 1, 2024.
This page provides detailed information about A42 - Actinomycosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Actinomycosis.