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A37

Non-billable

Whooping cough

A37 is the ICD-10-CM code for Whooping cough. It is a non-billable category code — use a more specific child code such as A37.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
4
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

What is whooping cough? Whooping cough, or pertussis, is a respiratory infection that can cause coughing fits. In serious cases, the coughing can become violent and rapid. You may cough so hard that you vomit . The name of the disease comes from the whooping noise you might make when you try to breathe in after coughing. Whooping cough is very contagious and can affect anyone. But it can be especially serious in…

Read more about Whooping Cough at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A37?
A37 is the ICD-10-CM code for "Whooping cough". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A37 a billable code?
No — A37 is a non-billable header code. Use a more specific child code (such as A37.0) for billing.
What are the subcodes of A37?
A37 has 4 more specific child codes, including A37.0, A37.1, A37.8.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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