Is A33 a billable code?
Yes. A33 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
A33: Tetanus neonatorum
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
A33 is a billable ICD-10-CM diagnosis code for tetanus neonatorum. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with A33 already added.Good Faith EstimateStart a cost estimate with A33 already added.CMS-1500 Claim FormFill a claim form with A33 in box 21.
A33 questions
What does A33 mean?
A33 is the ICD-10-CM code for Tetanus neonatorum. It is in chapter 1, Certain infectious and parasitic diseases (A00-B99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.