Question 1

Is W40 a billable ICD-10 code?

Accepted Answer

No, W40 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code W40 mean?

Accepted Answer

ICD-10-CM code W40 represents Explosion of other materials. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

What is the parent category for ICD-10 code W40?

Accepted Answer

The parent category for W40 is section:W20-W49 (Exposure to inanimate mechanical forces (W20-W49)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions are excluded from W40?

Accepted Answer

Code W40 has Type 1 Excludes (mutually exclusive conditions) including: assault by explosive material (X96); explosion involving legal intervention (Y35.1-); explosion involving military or war operations (Y36.0-, Y36.2-) and 1 more conditions. These conditions cannot be coded together with W40 as they represent different diagnoses.

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