W46Header code — not billable

Contact with 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?

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

Is W46 a billable code?

No. W46 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 in?

W46 falls under Chapter 20: External causes of morbidity.

When did W46 become effective?

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

What other codes are related to W46?

W46 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.