A48: Other bacterial diseases, not elsewhere classified
Codes under A48 (Other bacterial diseases, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A48.0 | Gas gangrene | ✓ |
| A48.0 | Gas gangrene | ✓ |
| A48.1 | Legionnaires' disease | ✓ |
| A48.1 | Legionnaires' disease | ✓ |
| A48.2 | Nonpneumonic Legionnaires' disease [Pontiac fever] | ✓ |
| A48.2 | Nonpneumonic Legionnaires' disease [Pontiac fever] | ✓ |
| A48.3 | Toxic shock syndrome | ✓ |
| A48.3 | Toxic shock syndrome | ✓ |
| A48.4 | Brazilian purpuric fever | ✓ |
| A48.4 | Brazilian purpuric fever | ✓ |
| A48.5 | Other specified botulism | — |
| A48.5 | Other specified botulism | — |
| A48.8 | Other specified bacterial diseases | ✓ |
| A48.8 | Other specified bacterial diseases | ✓ |
| A48.51 | Infant botulism | ✓ |
| A48.51 | Infant botulism | ✓ |
| A48.52 | Wound botulism | ✓ |
| A48.52 | Wound botulism | ✓ |
Frequently asked questions
What is ICD-10-CM code A48?
A48 is an ICD-10-CM category covering Other bacterial diseases, not elsewhere classified. It contains 18 more specific diagnosis codes, 16 of which are billable.
Is A48 a billable code?
No — A48 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 A48.0 — Gas gangrene). 16 of the 18 codes under A48 are billable.
What codes fall under A48?
A48 includes A48.0, A48.0, A48.1, A48.1, A48.2, plus 13 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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