U.S. ICD-10-CM · FY 2027

W56 ICD-10-CM Code: Contact with nonvenomous marine animal

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

W56

Contact with nonvenomous marine animal

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where W56 sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Accidents (V00-X58)

  3. 3

    Category W56

    Contact with nonvenomous marine animal

  4. 4

    Code W56

    Contact with nonvenomous marine animal

More specific choices

Codes under W56

W56 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for W56.

Code first

No “code first” instruction is listed for W56.

Use additional code

No “use additional code” instruction is listed for W56.

Excludes1

Conditions that should not be reported together with this code.

  • contact with venomous marine animal (T63.-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for W56.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code W56 mean?

W56 is the FY 2027 U.S. ICD-10-CM code for “Contact with nonvenomous marine animal.”

Is W56 a billable or specific ICD-10-CM code?

No. W56 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is W56 located in ICD-10-CM?

W56 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W56, Contact with nonvenomous marine animal.

What coding notes are listed for W56?

No inclusion terms are listed for W56 in this reference record. No code-first instruction is listed. Excludes1 notes: contact with venomous marine animal (T63.-). No Excludes2 note is listed.

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