W56.0
⚠ Non-billable
Contact with dolphin
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
W56.0
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 W56.0?
ICD-10-CM code W56.0 represents Contact with dolphin. 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 W56.0 billable?
No. W56.0 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is W56.0 in?
W56.0 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the W56 category
W56
Contact with nonvenomous marine animal
Non-billable
W56.1
Contact with sea lion
Non-billable
W56.2
Contact with orca
Non-billable
W56.3
Contact with other marine mammals
Non-billable
W56.4
Contact with shark
Non-billable
W56.5
Contact with other fish
Non-billable
W56.8
Contact with other nonvenomous marine animals
Non-billable
W56.01
Bitten by dolphin
Non-billable
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