W18.1
⚠ Non-billable
Fall from or off toilet
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
W18.1
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 W18.1?
ICD-10-CM code W18.1 represents Fall from or off toilet. 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 W18.1 billable?
No. W18.1 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is W18.1 in?
W18.1 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the W18 category
W18
Other slipping, tripping and stumbling and falls
Non-billable
W18.0
Fall due to bumping against object
Non-billable
W18.2
Fall in (into) shower or empty bathtub
Non-billable
W18.3
Other and unspecified fall on same level
Non-billable
W18.4
Slipping, tripping and stumbling without falling
Non-billable
W18.00
Striking against unspecified object with subsequent fall
Non-billable
W18.01
Striking against sports equipment with subsequent fall
Non-billable
W18.02
Striking against glass with subsequent fall
Non-billable
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