Is W20.1 a billable ICD-10 code?

No. W20.1 is a non-billable header code. Use a more specific subcategory for claims.

W20.1 ⚠ Non-billable

Struck by object due to collapse of building

Q: What is ICD-10 code W20.1?

ICD-10-CM code W20.1 stands for "Struck by object due to collapse of building". It is a non-billable header code in the External Causes of Morbidity chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · External Causes of Morbidity

Code

W20.1

System

ICD-10-CM

Billable

No — use specific code

Effective

FY2026

Chapter

External Causes of Morbidity

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code W20.1?

ICD-10-CM code W20.1 represents Struck by object due to collapse of building. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.

Is W20.1 billable?

No. W20.1 is a non-billable header. Select a more specific subcategory for claims submission.

What chapter is W20.1 in?

W20.1 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.

Related codes in the W20 category

W20 Struck by thrown, projected or falling object Non-billable W20.0 Struck by falling object in cave-in Non-billable W20.8 Other cause of strike by thrown, projected or falling object Non-billable W20.0XXA Struck by falling object in cave-in, initial encounter Billable W20.0XXD Struck by falling object in cave-in, subsequent encounter Billable W20.0XXS Struck by falling object in cave-in, sequela Billable W20.1XXA Struck by object due to collapse of building, initial encounter Billable W20.1XXD Struck by object due to collapse of building, subsequent encounter Billable

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