X37.41 – Tidal wave due to earthquake or volcanic eruption
ICD-10-CM 2027 diagnosis code · Exposure to forces of nature
- Code
X37.41(claims format:X3741)- Description
- Tidal wave due to earthquake or volcanic eruption
- 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
- X30-X39 Exposure to forces of nature
- Parent codes
- X37 › X37.4
Billable codes under X37.41
X37.41 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).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for X37.41
- Tidal wave NOS
- Tsunami
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
X37 – Cataclysmic storm
- The appropriate 7th character is to be added to each code from category X37
Related codes in X37.4
Frequently asked questions
What is ICD-10 code X37.41?
X37.41 is the ICD-10-CM code for tidal wave due to earthquake or volcanic eruption, in the block X30-X39 (Exposure to forces of nature).
Is X37.41 a billable code?
No. X37.41 is a header code with more specific child codes; report one of the billable codes listed above.
What category does X37.41 belong to?
It belongs to category X37 – Cataclysmic storm.
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.