W49.0
Non-Billable

Item causing external constriction

Non-Billable / Non-Specific Code

What is Item causing external constriction?

ICD-10-CM W49.0 is the diagnosis code for Item causing external constriction. 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 W49.0

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 W49.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
W49.01Hair causing external constrictionBillableW49.02String or thread causing external constrictionBillableW49.03Rubber band causing external constrictionBillableW49.04Ring or other jewelry causing external constrictionBillableW49.09Other specified item causing external constrictionBillable
Related Codes

Frequently Asked Questions

Is W49.0 a billable ICD-10-CM code?

No, W49.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does W49.0 mean?

W49.0 is the ICD-10-CM diagnosis code for "Item causing external constriction". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of W49.0?

The parent code of W49.0 is W49 ("Exposure to other inanimate mechanical forces"). W49.0 provides a more specific classification within this category.

What section is W49.0 in?

W49.0 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 W49.0?

W49.0 has 5 sub-code(s) that provide more specific detail: W49.01, W49.02, W49.03, W49.04, W49.09.

When should I use W49.0?

Use W49.0 when the patients documented diagnosis matches "Item causing external constriction" 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 Item causing external constriction?

The ICD-10-CM code for Item causing external constriction is W49.0.

Can W49.0 be used for primary diagnosis?

No, W49.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is W49.0 in?

W49.0 is in Chapter 20 of the ICD-10-CM Tabular List.

Is W49.0 valid for 2026?

Yes, W49.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousW49Exposure to other inanimate mechanical forcesNext →W49.01Hair causing external constriction
Code Details
W49.0
Item causing external constriction
Non-Billable / Non-Specific Code
20 — External causes of morbidity (V00-Y99)
W20-W49 — Exposure to inanimate mechanical forces
2026 ICD-10-CM