X38.XXXS – Flood, sequela
ICD-10-CM 2027 diagnosis code · Exposure to forces of nature
ICD-10-CM code
X38.XXXS
- Code
X38.XXXS(claims format:X38XXXS)- Description
- Flood, sequela
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- X30-X39 Exposure to forces of nature
- Parent codes
- X38
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
X38 – Flood
Applicable to:
- Flood arising from remote storm
- Flood of cataclysmic nature arising from melting snow
- Flood resulting directly from storm
Excludes1 (not coded here):
7th character note:
- The appropriate 7th character is to be added to code X38
Related codes in X38
Frequently asked questions
What is ICD-10 code X38.XXXS?
X38.XXXS is the ICD-10-CM code for flood, sequela, in the block X30-X39 (Exposure to forces of nature).
Is X38.XXXS a billable code?
Yes. X38.XXXS is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does X38.XXXS belong to?
It belongs to category X38 – Flood.
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.