A39.51
✓ Billable
Meningococcal endocarditis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A39.51
System
ICD-10-CM
Billable
Yes — valid for submission
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 A39.51?
ICD-10-CM code A39.51 represents Meningococcal endocarditis. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A39.51 billable?
Yes. A39.51 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is A39.51 in?
A39.51 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A39 category
A39
Meningococcal infection
Non-billable
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
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