J20Header code — not billable

Acute bronchitis

Chapter
10. Diseases of the respiratory system
Category
J20
Effective date
October 1, 2026

Related codes in category J20

Frequently asked questions

What is ICD-10 code J20?

J20 is an ICD-10-CM diagnosis code for Acute bronchitis.

Is J20 a billable code?

No. J20 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 J20 in?

J20 falls under Chapter 10: Diseases of the respiratory system.

When did J20 become effective?

J20 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J20?

J20 belongs to category J20, which includes 10 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.