W53.1 Contact with ratNon-billable header with 2 child codes.
W55 Contact with other mammals ("bitten or struck by rodent (W53.-)")W53.01XS Bitten by mouse, sequelaW53.09 Other contact with mouseW53.09XA Other contact with mouse, initial encounterW53.09XD Other contact with mouse, subsequent encounterW53.09XS Other contact with mouse, sequelaW53.1 Contact with rat (this code)W53.11 Bitten by ratW53.11XA Bitten by rat, initial encounterW53.11XD Bitten by rat, subsequent encounterW53.11XS Bitten by rat, sequelaW53.19 Other contact with rat