W56.3 Contact with other marine mammalsNon-billable header with 3 child codes.
W56.31 Bitten by other marine mammalsW56.32 Struck by other marine mammalsW56.39 Other contact with other marine mammalsW55 Contact with other mammals ("contact with marine mammals (W56.-)")W56.22XS Struck by orca, sequelaW56.29 Other contact with orcaW56.29XA Other contact with orca, initial encounterW56.29XD Other contact with orca, subsequent encounterW56.29XS Other contact with orca, sequelaW56.3 Contact with other marine mammals (this code)W56.31 Bitten by other marine mammalsW56.31XA Bitten by other marine mammals, initial encounterW56.31XD Bitten by other marine mammals, subsequent encounterW56.31XS Bitten by other marine mammals, sequelaW56.32 Struck by other marine mammals