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  5. W56
  6. 2024 ICD-10-CM Code W56
Version 2024
Non-Billable Code

2024 ICD-10-CM Diagnosis Code W56

Contact with nonvenomous marine animal

ICD-10-CM Code:
W56
ICD-10 Code for:
Contact with nonvenomous marine animal
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • External causes of morbidity and mortality
    (V01–Y99)
    • Exposure to animate mechanical forces
      (W50-W64)
      • Contact with nonvenomous marine animal
        (W56)

W56 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of contact with nonvenomous marine animal. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Contact with nonvenomous marine animal

Non-specific codes like W56 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for contact with nonvenomous marine animal:

  • W56.0 for Contact with dolphin - NON-BILLABLE CODE

  • W56.01 for Bitten by dolphin - NON-BILLABLE CODE

  • W56.02 for Struck by dolphin - NON-BILLABLE CODE

  • W56.09 for Other contact with dolphin - NON-BILLABLE CODE

  • W56.1 for Contact with sea lion - NON-BILLABLE CODE

  • W56.11 for Bitten by sea lion - NON-BILLABLE CODE

  • W56.12 for Struck by sea lion - NON-BILLABLE CODE

  • W56.19 for Other contact with sea lion - NON-BILLABLE CODE

  • W56.2 for Contact with orca - NON-BILLABLE CODE

  • W56.21 for Bitten by orca - NON-BILLABLE CODE

  • W56.22 for Struck by orca - NON-BILLABLE CODE

  • W56.29 for Other contact with orca - NON-BILLABLE CODE

  • W56.3 for Contact with other marine mammals - NON-BILLABLE CODE

  • W56.31 for Bitten by other marine mammals - NON-BILLABLE CODE

  • W56.32 for Struck by other marine mammals - NON-BILLABLE CODE

  • W56.39 for Other contact with other marine mammals - NON-BILLABLE CODE

  • W56.4 for Contact with shark - NON-BILLABLE CODE

  • W56.41 for Bitten by shark - NON-BILLABLE CODE

  • W56.42 for Struck by shark - NON-BILLABLE CODE

  • W56.49 for Other contact with shark - NON-BILLABLE CODE

  • W56.5 for Contact with other fish - NON-BILLABLE CODE

  • W56.51 for Bitten by other fish - NON-BILLABLE CODE

  • W56.52 for Struck by other fish - NON-BILLABLE CODE

  • W56.59 for Other contact with other fish - NON-BILLABLE CODE

  • W56.8 for Contact with other nonvenomous marine animals - NON-BILLABLE CODE

  • W56.81 for Bitten by other nonvenomous marine animals - NON-BILLABLE CODE

  • W56.82 for Struck by other nonvenomous marine animals - NON-BILLABLE CODE

  • W56.89 for Other contact with other nonvenomous marine animals - NON-BILLABLE CODE

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • contact with venomous marine animal T63

7th Character Note

7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
  • The appropriate 7th character is to be added to each code from category W56

7th Character

7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.