A69.21
✓ Billable
Meningitis due to Lyme disease
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A69.21
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 A69.21?
ICD-10-CM code A69.21 represents Meningitis due to Lyme disease. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A69.21 billable?
Yes. A69.21 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is A69.21 in?
A69.21 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A69 category
A69
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A69.2
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A69.8
Other specified spirochetal infections
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A69.9
Spirochetal infection, unspecified
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A69.20
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A69.22
Other neurologic disorders in Lyme disease
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