ICDcodes.org
FY2027

W20.1XXSStruck by object due to collapse of building, sequela

Billable

Is W20.1XXS billable?

Yes — W20.1XXS is billable for FY2027. W20.1XXS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W20.1XXS may be submitted for encounters from October 1, 2026 through September 30, 2027.

W20.1XXS at a glance

CodeW20.1XXS
DescriptionStruck by object due to collapse of building, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in W20.1XXS?

In W20.1XXS, the 7th character S means sequela. The 7th character is required for W20.1XXS to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

How is W20.1XXS listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under W20.1, the nearest indexed parent of W20.1XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Collapsebuilding
  • Collapsestructure
  • Fall, fallingbuilding (accidental)
  • Fall, fallingstructure (accidental)
  • Struckbyobjectfallingfrom, in, onbuilding (accidentally)
  • Struckbyobjectfallingfrom, in, onstructure (accidentally)

Excludes1 — never code together

The conditions below can never be reported together with W20.1XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • struck by object due to collapse of burning building (X00.2, X02.2)

Excludes1 — never code together — inherited from W20-W49

The conditions below can never be reported together with W20.1XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • 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)

Excludes1 — never code together — inherited from W20

The conditions below can never be reported together with W20.1XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • 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.-)

Excludes1 — never code together — inherited from W20.1

The conditions below can never be reported together with W20.1XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • struck by object due to collapse of burning building (X00.2, X02.2)

Code first — inherited from W20

The underlying condition below must be sequenced before W20.1XXS. W20.1XXS describes a manifestation and cannot be the principal or first-listed diagnosis.

  • any associated:
  • cataclysm (X34-X39)
  • lightning strike (T75.00)

How long has W20.1XXS existed?

W20.1XXS has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.