A37.11
Billable codeWhooping cough due to Bordetella parapertussis with pneumonia
The ICD-10 code for whooping cough due to bordetella parapertussis with pneumonia is A37.11.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- A37.10Whooping cough due to Bordetella parapertussis without pneumonia
- A37.11Whooping cough due to Bordetella parapertussis with pneumonia
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 0331Approximate match
- 4843Approximate match
Associated MS-DRGs
A37.11 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.