A69: Other spirochetal infections
Codes under A69 (Other spirochetal infections). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A69.0 | Necrotizing ulcerative stomatitis | ✓ |
| A69.0 | Necrotizing ulcerative stomatitis | ✓ |
| A69.1 | Other Vincent's infections | ✓ |
| A69.1 | Other Vincent's infections | ✓ |
| A69.2 | Lyme disease | — |
| A69.2 | Lyme disease | — |
| A69.8 | Other specified spirochetal infections | ✓ |
| A69.8 | Other specified spirochetal infections | ✓ |
| A69.9 | Spirochetal infection, unspecified | ✓ |
| A69.9 | Spirochetal infection, unspecified | ✓ |
| A69.20 | Lyme disease, unspecified | ✓ |
| A69.20 | Lyme disease, unspecified | ✓ |
| A69.21 | Meningitis due to Lyme disease | ✓ |
| A69.21 | Meningitis due to Lyme disease | ✓ |
| A69.22 | Other neurologic disorders in Lyme disease | ✓ |
| A69.22 | Other neurologic disorders in Lyme disease | ✓ |
| A69.23 | Arthritis due to Lyme disease | ✓ |
| A69.23 | Arthritis due to Lyme disease | ✓ |
| A69.29 | Other conditions associated with Lyme disease | ✓ |
| A69.29 | Other conditions associated with Lyme disease | ✓ |
Frequently asked questions
What is ICD-10-CM code A69?
A69 is an ICD-10-CM category covering Other spirochetal infections. It contains 20 more specific diagnosis codes, 18 of which are billable.
Is A69 a billable code?
No — A69 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example A69.0 — Necrotizing ulcerative stomatitis). 18 of the 20 codes under A69 are billable.
What codes fall under A69?
A69 includes A69.0, A69.0, A69.1, A69.1, A69.2, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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