A42.8
⚠ Non-billable
Other forms of actinomycosis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A42.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code A42.8?
ICD-10-CM code A42.8 represents Other forms of actinomycosis. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A42.8 billable?
No. A42.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is A42.8 in?
A42.8 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A42 category
A42
Actinomycosis
Non-billable
A42.0
Pulmonary actinomycosis
Billable
A42.1
Abdominal actinomycosis
Billable
A42.2
Cervicofacial actinomycosis
Billable
A42.7
Actinomycotic sepsis
Billable
A42.9
Actinomycosis, unspecified
Billable
A42.81
Actinomycotic meningitis
Billable
A42.82
Actinomycotic encephalitis
Billable
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