X38
⚠ Non-billable
Flood
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
X38
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.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Also known as
- Flood arising from remote storm
- Flood of cataclysmic nature arising from melting snow
- Flood resulting directly from storm
Excludes1 — never code together
- collapse of dam or man-made structure causing earth movement (X36.0)
- tidal wave NOS (X37.41)
- tidal wave caused by storm (X37.42)
7th character
- The appropriate 7th character is to be added to code X38
Frequently asked questions
What is ICD-10 code X38?
ICD-10-CM code X38 represents Flood. 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 X38 billable?
No. X38 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is X38 in?
X38 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the X38 category
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