A37: Whooping cough
Codes under A37 (Whooping cough). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A37.0 | Whooping cough due to Bordetella pertussis | — |
| A37.0 | Whooping cough due to Bordetella pertussis | — |
| A37.00 | Whooping cough due to Bordetella pertussis without pneumonia | ✓ |
| A37.00 | Whooping cough due to Bordetella pertussis without pneumonia | ✓ |
| A37.01 | Whooping cough due to Bordetella pertussis with pneumonia | ✓ |
| A37.01 | Whooping cough due to Bordetella pertussis with pneumonia | ✓ |
| A37.1 | Whooping cough due to Bordetella parapertussis | — |
| A37.1 | Whooping cough due to Bordetella parapertussis | — |
| A37.8 | Whooping cough due to other Bordetella species | — |
| A37.8 | Whooping cough due to other Bordetella species | — |
| A37.9 | Whooping cough, unspecified species | — |
| A37.9 | Whooping cough, unspecified species | — |
| A37.10 | Whooping cough due to Bordetella parapertussis without pneumonia | ✓ |
| A37.10 | Whooping cough due to Bordetella parapertussis without pneumonia | ✓ |
| A37.11 | Whooping cough due to Bordetella parapertussis with pneumonia | ✓ |
| A37.11 | Whooping cough due to Bordetella parapertussis with pneumonia | ✓ |
| A37.80 | Whooping cough due to other Bordetella species without pneumonia | ✓ |
| A37.80 | Whooping cough due to other Bordetella species without pneumonia | ✓ |
| A37.81 | Whooping cough due to other Bordetella species with pneumonia | ✓ |
| A37.81 | Whooping cough due to other Bordetella species with pneumonia | ✓ |
| A37.90 | Whooping cough, unspecified species without pneumonia | ✓ |
| A37.90 | Whooping cough, unspecified species without pneumonia | ✓ |
| A37.91 | Whooping cough, unspecified species with pneumonia | ✓ |
| A37.91 | Whooping cough, unspecified species with pneumonia | ✓ |
Frequently asked questions
What is ICD-10-CM code A37?
A37 is an ICD-10-CM category covering Whooping cough. It contains 24 more specific diagnosis codes, 16 of which are billable.
Is A37 a billable code?
No — A37 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 A37.0 — Whooping cough due to Bordetella pertussis). 16 of the 24 codes under A37 are billable.
What codes fall under A37?
A37 includes A37.0, A37.0, A37.00, A37.00, A37.01, plus 19 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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