W46
Non-Billable

Contact with hypodermic needle

Non-Billable / Non-Specific Code

What is Contact with hypodermic needle?

ICD-10-CM W46 is the diagnosis code for Contact with hypodermic needle. This code falls under the section "Exposure to inanimate mechanical forces" within Chapter 20 — External causes of morbidity (V00-Y99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for W46

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where W46 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeW46 — Contact with hypodermic needle
Sub-Codes (2)
Sub-Codes 2 entries
W46.0Contact with hypodermic needleBillableW46.1Contact with contaminated hypodermic needleBillable
Related Codes

Frequently Asked Questions

Is W46 a billable ICD-10-CM code?

No, W46 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does W46 mean?

W46 is the ICD-10-CM diagnosis code for "Contact with hypodermic needle". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is W46 in?

W46 is located in Section W20-W49 — "Exposure to inanimate mechanical forces" within Chapter 20 of the ICD-10-CM Tabular List.

What are the sub-codes of W46?

W46 has 2 sub-code(s) that provide more specific detail: W46.0, W46.1.

When should I use W46?

Use W46 when the patients documented diagnosis matches "Contact with hypodermic needle" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Contact with hypodermic needle?

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

Can W46 be used for primary diagnosis?

No, W46 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is W46 in?

W46 is in Chapter 20 of the ICD-10-CM Tabular List.

Is W46 valid for 2026?

Yes, W46 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousW45.8Other foreign body or object entering through skinNext →W46.0Contact with hypodermic needle
Code Details
W46
Contact with hypodermic needle
Non-Billable / Non-Specific Code
20 — External causes of morbidity (V00-Y99)
W20-W49 — Exposure to inanimate mechanical forces
2026 ICD-10-CM