W00.1 – Fall from stairs and steps due to ice and snow

ICD-10-CM 2027 diagnosis code · Slipping, tripping, stumbling and falls

Non-billable header

ICD-10-CM code W00.1
Code
W00.1 (claims format: W001)
Description
Fall from stairs and steps due to ice and snow
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
20. External causes of morbidity (V00-Y99)
Block
W00-W19 Slipping, tripping, stumbling and falls
Parent codes
W00

Billable codes under W00.1

W00.1 is a header code and cannot be used on claims. Choose the most specific code:

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

W00 – Fall due to ice and snow

Includes:
  • pedestrian on foot falling (slipping) on ice and snow
Excludes1 (not coded here):
  • fall on (from) ice and snow involving pedestrian conveyance (V00.-)
  • fall from stairs and steps not due to ice and snow (W10.-)
7th character note:
  • The appropriate 7th character is to be added to each code from category W00

Block W00-W19

Excludes1 (not coded here):
  • 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)
Excludes2 (not included here):
  • at risk for fall (history of fall) Z91.81
  • fall (in) (from) burning building (X00.-)
  • fall into fire (X00-X04, X08)

Related codes in W00

Frequently asked questions

What is ICD-10 code W00.1?

W00.1 is the ICD-10-CM code for fall from stairs and steps due to ice and snow, in the block W00-W19 (Slipping, tripping, stumbling and falls).

Is W00.1 a billable code?

No. W00.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does W00.1 belong to?

It belongs to category W00 – Fall due to ice and snow.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.