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W56.3

Non-billable

Contact with other marine mammals

W56.3 is the ICD-10-CM code for Contact with other marine mammals. It is a non-billable category code — use a more specific child code such as W56.31 for billing.

Status
Header (non-billable)
Chapter
V00-Y99
Parent
W56
Subcodes
3
Edition
FY2026

V00-Y99 External causes of morbidity

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code W56.3?
W56.3 is the ICD-10-CM code for "Contact with other marine mammals". It falls under V00-Y99 External causes of morbidity.
Is W56.3 a billable code?
No — W56.3 is a non-billable header code. Use a more specific child code (such as W56.31) for billing.
What are the subcodes of W56.3?
W56.3 has 3 more specific child codes, including W56.31, W56.32, W56.39.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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