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W00Non-billableSave

W00 - Fall due to ice and snow

ICD-10-CM Chapter 20: External causes of morbidity · W00-W19 Slipping, tripping, stumbling and falls (W00-W19) · Top-level category · FY2027

Coding Guidance

W00 is a non-billable heading. Report one of the 4 more specific codes below.

7th Character

The appropriate 7th character is to be added to each code from category W00

  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela

Includes, Excludes and Coding Notes

IncludesFrom W00

Conditions this code covers.

  • pedestrian on foot falling (slipping) on ice and snow
Excludes 1 — Not Coded HereFrom W00

Mutually exclusive: these conditions are never reported together with this code.

  • fall on (from) ice and snow involving pedestrian conveyance (V00.-)
  • fall from stairs and steps not due to ice and snow (W10.-)
Excludes 1 — Not Coded HereFrom W00-W19 Slipping, tripping, stumbling and falls (W00-W19)

Mutually exclusive: these conditions are never reported together with this code.

  • assault involving a fall (Y01-Y02)
  • fall from animal (V80.-)
  • fall (in) (from) machinery (in operation) (W28-W31)
  • fall (in) (from) transport vehicle (V01-V99)
  • intentional self-harm involving a fall (X80-X81)
Excludes 2 — Not Included HereFrom W00-W19 Slipping, tripping, stumbling and falls (W00-W19)

Not part of this code; report both codes when the patient has both conditions.

  • at risk for fall (history of fall) Z91.81
  • fall (in) (from) burning building (X00.-)
  • fall into fire (X00-X04, X08)
NotesFrom Chapter V00-Y99

Instructional notes from the ICD-10-CM tabular list.

  • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.

More Specific Codes (4)

W00.0Fall on same level due to ice and snow→W00.1Fall from stairs and steps due to ice and snow→W00.2Other fall from one level to another due to ice and snow→W00.9Unspecified fall due to ice and snow→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with W00.