MCMedicalCodingSoftware
W20.0XXA

W20.0XXA: Struck by falling object in cave-in, initial encounter

Billable / specific codeICD-10-CM

W20.0XXA is a billable, specific ICD-10-CM code for struck by falling object in cave-in, initial encounter. It is valid for submission on a claim.

Check W20.0XXA with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category W20

A
initial encounter
D
subsequent encounter
S
sequela

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • asphyxiation due to cave-in (T71.21)

Excludes1 inherited from the categories above W20.0XXA

A category’s note binds every code beneath it.

Written on W20: Struck by thrown, projected or falling object

  • 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.-)

Excludes2 inherited from the categories above W20.0XXA

Not part of this code, but both may be coded when both are present.

Written on W20.0: Struck by falling object in cave-in

  • asphyxiation due to cave-in (T71.21)

Other codes that can never be billed with W20.0XXA

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • W13.9Fall from, out of or through building, not otherwise specified
  • W13.9XXAFall from, out of or through building, not otherwise specified, initial encounter
  • W13.9XXDFall from, out of or through building, not otherwise specified, subsequent encounter
  • W13.9XXSFall from, out of or through building, not otherwise specified, sequela
  • W22.8Striking against or struck by other objects
  • W22.8XXAStriking against or struck by other objects, initial encounter
  • W22.8XXDStriking against or struck by other objects, subsequent encounter
  • W22.8XXSStriking against or struck by other objects, sequela

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under W20.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.