A39
⚠ Non-billable
Meningococcal infection
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A39
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 A39?
ICD-10-CM code A39 represents Meningococcal infection. 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 A39 billable?
No. A39 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is A39 in?
A39 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A39 category
A39.0
Meningococcal meningitis
Billable
A39.1
Waterhouse-Friderichsen syndrome
Billable
A39.2
Acute meningococcemia
Billable
A39.3
Chronic meningococcemia
Billable
A39.4
Meningococcemia, unspecified
Billable
A39.5
Meningococcal heart disease
Non-billable
A39.8
Other meningococcal infections
Non-billable
A39.9
Meningococcal infection, unspecified
Billable
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