W46.1Header code — not billable

Contact with contaminated hypodermic needle

Chapter
20. External causes of morbidity
Category
W46
Effective date
October 1, 2026

Related codes in category W46

Frequently asked questions

What is ICD-10 code W46.1?

W46.1 is an ICD-10-CM diagnosis code for Contact with contaminated hypodermic needle.

Is W46.1 a billable code?

No. W46.1 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 W46.1 in?

W46.1 falls under Chapter 20: External causes of morbidity.

When did W46.1 become effective?

W46.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to W46.1?

W46.1 belongs to category W46, which includes 8 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.