ICD-10 W20.1
Non-Billable HeaderStruck by object due to collapse of building
About ICD-10-CM W20.1
ICD-10-CM code W20.1 represents Struck by object due to collapse of building. This is a non-billable header code in the External Causes of Morbidity chapter (block W20). The 2026 edition of ICD-10-CM W20.1 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with W20.1. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- struck by object due to collapse of burning building (X00.2, X02.2)
Medicare LCD Coverage for W20.1
Local Coverage Determinations (LCDs) from CMS MACs that list W20.1 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing W20.1.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but W20.1 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with W20.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To W20.1
Other codes in section W20-W49 (Exposure to inanimate mechanical forces).
ICD-10 W20.1, Billing FAQ
Is ICD-10 code W20.1 billable? +
No, W20.1 is a non-billable header code. Use a more specific child code from block W20 when submitting claims.
What codes are Type 1 Excludes for W20.1? +
Type 1 Excludes (never code together with W20.1): struck by object due to collapse of burning building (X00.2, X02.2)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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