A37.90
Billable codeWhooping cough, unspecified species without pneumonia
The ICD-10 code for whooping cough, unspecified species without pneumonia is A37.90.
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
- A37.91Whooping cough, unspecified species with pneumonia
- A37.90Whooping cough, unspecified species without pneumonia
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 0339Approximate match
Associated MS-DRGs
A37.90 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.