A37.1Header code — not billable
Whooping cough due to Bordetella parapertussis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- A37
- Effective date
- October 1, 2026
Related codes in category A37
A37Whooping coughA37.0Whooping cough due to Bordetella pertussisA37.00Whooping cough due to Bordetella pertussis without pneumoniaYesA37.01Whooping cough due to Bordetella pertussis with pneumoniaYesA37.10Whooping cough due to Bordetella parapertussis w/o pneumoniaYesA37.11Whooping cough due to Bordetella parapertussis w pneumoniaYesA37.8Whooping cough due to other Bordetella speciesA37.80Whooping cough due to other Bordetella species w/o pneumoniaYesA37.81Whooping cough due to oth Bordetella species with pneumoniaYesA37.9Whooping cough, unspecified speciesA37.90Whooping cough, unspecified species without pneumoniaYesA37.91Whooping cough, unspecified species with pneumoniaYes
Frequently asked questions
What is ICD-10 code A37.1?
A37.1 is an ICD-10-CM diagnosis code for Whooping cough due to Bordetella parapertussis.
Is A37.1 a billable code?
No. A37.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is A37.1 in?
A37.1 falls under Chapter 1: Certain infectious and parasitic diseases.
When did A37.1 become effective?
A37.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to A37.1?
A37.1 belongs to category A37, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.