W20.1XXD ICD-10-CM Code: Struck by object due to collapse of building, subsequent encounter
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Struck by object due to collapse of building, subsequent encounter is a billable ICD-10-CM diagnosis code (W20.1D).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for W20.1XXD in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- struck by object due to collapse of burning building (X00.2, X02.2)
- falling object in machinery accident (W24, W28-W31)
- falling object in transport accident (V01-V99)
- object set in motion by explosion (W35-W40)
- object set in motion by firearm (W32-W34)
- struck by thrown sports equipment (W21.-)
- assault (X92-Y09)
- contact or collision with animals or persons (W50-W64)
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
- intentional self-harm (X71-X83)
Code First
Underlying conditions that must be sequenced before this code.
- any associated:
- cataclysm (X34-X39)
- lightning strike (T75.00)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does W20.1XXD require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category W20.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to W20.1XXD in its code family, with their registry titles.
- W20.0XXA — Struck by falling object in cave-in, initial encounter
- W20.0XXD — Struck by falling object in cave-in, subsequent encounter
- W20.0XXS — Struck by falling object in cave-in, sequela
- W20.1 — Struck by object due to collapse of building
- W20.1XXA — Struck by object due to collapse of building, initial encounter
- W20.1XXS — Struck by object due to collapse of building, sequela
- W20.8 — Other cause of strike by thrown, projected or falling object
- W20.8XXA — Other cause of strike by thrown, projected or falling object, initial encounter
- W20.8XXD — Other cause of strike by thrown, projected or falling object, subsequent encounter
- W20.8XXS — Other cause of strike by thrown, projected or falling object, sequela