W00.9
⚠ Non-billable
Unspecified fall due to ice and snow
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
W00.9
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code W00.9?
ICD-10-CM code W00.9 represents Unspecified fall due to ice and snow. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is W00.9 billable?
No. W00.9 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is W00.9 in?
W00.9 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the W00 category
W00
Fall due to ice and snow
Non-billable
W00.0
Fall on same level due to ice and snow
Non-billable
W00.1
Fall from stairs and steps due to ice and snow
Non-billable
W00.2
Other fall from one level to another due to ice and snow
Non-billable
W00.0XXA
Fall on same level due to ice and snow, initial encounter
Billable
W00.0XXD
Fall on same level due to ice and snow, subsequent encounter
Billable
W00.0XXS
Fall on same level due to ice and snow, sequela
Billable
W00.1XXA
Fall from stairs and steps due to ice and snow, initial encounter
Billable
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