A33Billable

Tetanus neonatorum

Chapter
1. Certain infectious and parasitic diseases
Category
A33
Effective date
October 1, 2026

Frequently asked questions

What is ICD-10 code A33?

A33 is an ICD-10-CM diagnosis code for Tetanus neonatorum.

Is A33 a billable code?

Yes. A33 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A33 in?

A33 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A33 become effective?

A33 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.