A48Header code — not billable

Other bacterial diseases, not elsewhere classified

Chapter
1. Certain infectious and parasitic diseases
Category
A48
Effective date
October 1, 2026

Related codes in category A48

A48.0Gas gangreneYesA48.1Legionnaires' diseaseYesA48.2Nonpneumonic Legionnaires' disease [Pontiac fever]YesA48.3Toxic shock syndromeYesA48.4Brazilian purpuric feverYesA48.5Other specified botulismA48.51Infant botulismYesA48.52Wound botulismYesA48.8Other specified bacterial diseasesYes

Frequently asked questions

What is ICD-10 code A48?

A48 is an ICD-10-CM diagnosis code for Other bacterial diseases, not elsewhere classified.

Is A48 a billable code?

No. A48 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 A48 in?

A48 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A48 become effective?

A48 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A48?

A48 belongs to category A48, which includes 9 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.